Understanding Network Security in Cyber Security: Best Practises for 2025

In today’s digital age, keeping your network safe is more important than ever. With cyber threats evolving every day, it’s crucial to stay ahead of the game. This guide dives into the best practises for network security in cyber security as we approach 2025. Whether you’re a business owner or just someone who wants to protect their personal data, these tips will help you build a stronger, safer network.

Key Takeaways

  • Always use strong, unique passwords for each of your accounts to prevent unauthorised access.
  • Regularly update all your software to patch vulnerabilities and keep your systems secure.
  • Be cautious of phishing attacks and never click on suspicious links or provide personal information.

1. Use Strong, Unique Passwords

Alright, let’s talk passwords. They’re like the keys to your digital kingdom, and keeping them strong and unique is a must. Imagine using the same key for your house, car, and office. It’s risky, right? Same goes for passwords. Here’s how to keep them solid:

  • Mix it Up: Combine letters, numbers, and special characters. Avoid predictable patterns or sequences.
  • No Repeats: Never use the same password across different accounts. Each one should be unique.
  • Password Manager: Use a reliable password manager to store and generate complex passwords. It’s like having a safe for your keys.

Remember, a strong password is your first line of defence in protecting your online identity. It’s not just about keeping your accounts safe; it’s about ensuring your personal information stays private.

In 2024, businesses faced evolving security threats, and one of the key trends was the rise of passwordless authentication. While this is gaining traction, strong passwords remain crucial, especially for accounts not yet adopting these new methods. For Australian businesses, enforcing strong password policies is part of a broader security strategy that includes regular updates and network segmentation. Don’t wait for a breach to take action—make sure your passwords are up to the task.

2. Enable Multi-Factor Authentication

Multi-Factor Authentication (MFA) is not just a buzzword; it’s a necessity in today’s digital world. Simply put, MFA adds an extra layer of security by requiring more than just a password for access. This means even if someone gets hold of your password, they still can’t get into your account without the second verification method.

Why Use MFA?

  • Enhanced Security: By asking for more than just a password, MFA makes it much harder for cybercriminals to access your data.
  • Flexibility: You can choose from different methods like SMS codes, authentication apps, or even hardware tokens.
  • Compliance: Many industries now require MFA to meet legal and regulatory standards.

How to Implement MFA

  1. Assess Your Needs: Identify which systems and data need MFA. Not every system might need it, but critical ones definitely do.
  2. Choose Your Methods: Decide on the types of authentication factors you’ll use. Popular options include text messages, authenticator apps, and biometrics.
  3. Educate Your Team: Make sure everyone understands how to use MFA and why it’s important. Training is crucial.

Potential Challenges

  • User Resistance: Some folks might find it annoying to use more than one step to log in. It’s important to communicate the benefits clearly.
  • Technical Issues: Ensure your IT team is ready to handle any hiccups in the MFA setup process.
  • Cost: There might be some upfront costs for implementing MFA, but the security benefits often outweigh these.

In a world where data breaches are becoming more common, MFA stands out as a simple yet effective way to protect your business. It’s like having a second lock on your door—peace of mind knowing that your data is safer.

3. Keep Software Updated

In today’s fast-paced digital world, keeping your software updated is not just a recommendation; it’s a necessity. Outdated software is a prime target for cybercriminals looking to exploit vulnerabilities. Regular updates patch these vulnerabilities and help protect your systems from potential attacks.

Why It’s Important

  • Security Patches: Software updates often include patches for security vulnerabilities that could be exploited by hackers.
  • Performance Improvements: Updates can enhance the performance and stability of your software.
  • New Features: Keeping software updated ensures you have access to the latest features and improvements.

Best Practises for Updating Software

  1. Enable Automatic Updates: This is the easiest way to ensure your software is always up-to-date. Most operating systems and applications offer this feature.
  2. Schedule Regular Checks: Even with automatic updates, it’s wise to periodically check for any updates that might have been missed.
  3. Prioritise Critical Updates: Focus on updates that address security vulnerabilities first.

Keeping software updated is a simple yet effective way to protect your digital environment from threats. It’s like locking the doors of your house every night—basic but essential.

Challenges and Solutions

  • Compatibility Issues: Sometimes updates can cause compatibility issues with other software. Test updates in a controlled environment before full deployment.
  • Downtime Concerns: Schedule updates during off-peak hours to minimise disruptions.
  • Resource Management: Ensure your IT team has the resources and tools needed to manage updates efficiently.

Regular software updates are a cornerstone of network security and a critical component of any cybersecurity strategy. By keeping your software current, you not only protect your systems but also maintain the integrity and efficiency of your operations.

4. Install Antivirus, Anti-Spyware, and Anti-Malware Software

In today’s world, cyber threats are everywhere. From ransomware to spyware, malicious software is constantly evolving, becoming more sophisticated and harder to detect. Installing antivirus, anti-spyware, and anti-malware software is a must for protecting your digital assets.

Here’s why it’s important:

  • Antivirus Software: This is your first line of defence. It scans your system for known viruses and removes them before they can do any harm. It’s crucial to keep your antivirus software updated to catch new threats as they emerge.
  • Anti-Spyware Tools: These programmes are designed to detect and remove spyware, which can secretly monitor your activities and steal sensitive information. Regular scans can help ensure your privacy is protected.
  • Anti-Malware Solutions: Malware encompasses a wide range of threats, including viruses, worms, trojans, and more. Anti-malware software provides comprehensive protection against these threats, often including features like real-time scanning and automatic updates.

Steps to Enhance Your Defence

  1. Choose Reputable Software: Not all security software is created equal. Look for solutions with a strong track record and positive reviews.
  2. Regular Updates: Keep your security software updated. New threats are discovered daily, and updates are essential to stay protected.
  3. Scheduled Scans: Set your software to perform regular scans. This ensures any threats that slip through the cracks are caught and dealt with promptly.

"Cybersecurity isn’t just about having the right tools; it’s about using them effectively and consistently."

By implementing these measures, you can significantly reduce the risk of malware infections and protect your systems from harm. Consider these practises as part of a broader cyber resilience strategy to stay ahead of potential threats.

5. Use Firewalls

Firewalls are like the security guards of your network, keeping an eye on the data traffic coming in and out. They are essential for blocking unauthorised access and safeguarding your network’s integrity. Here’s how you can make the most out of them:

  • Choose the Right Type: Firewalls come in different forms—hardware, software, or a combination of both. Hardware firewalls are often used in larger networks, while software firewalls can be installed on individual devices for personal use.
  • Regular Updates: Just like any other software, firewalls need regular updates to combat new threats. Make sure your firewall is set to update automatically.
  • Configuration is Key: Ensure that your firewall is configured correctly. This involves setting up rules that determine what type of traffic is allowed and what should be blocked. Misconfiguration can leave holes in your security.
  • Monitor and Review Logs: Firewalls generate logs that record all the traffic they philtre. Regularly reviewing these logs can help you spot unusual activity.
  • Integrate with Other Security Measures: Firewalls work best when combined with other security tools like encryption and multi-factor authentication. This creates a layered defence system that is much harder for attackers to penetrate.

Firewalls are not a set-and-forget solution. They require ongoing attention and maintenance to be truly effective. This is a small price to pay for the peace of mind that comes with knowing your network is secure.

6. Secure WiFi Networks

In the digital age, securing your WiFi network is not just about keeping your neighbour from using your internet. It’s about protecting your data from cyber threats. A secure WiFi network is your first line of defence against cyber intrusions. Here’s a straightforward approach to make your WiFi network more secure:

  1. Change Default Settings: The first thing you should do is change the default name and password of your router. Default settings are easy targets for hackers.
  2. Use Strong Encryption: Ensure your WiFi is using WPA3 encryption. This is the latest and most secure encryption standard available for wireless networks.
  3. Disable WPS: WiFi Protected Setup (WPS) can be a vulnerability. Disabling it can prevent unauthorised access.
  4. Create a Guest Network: Set up a separate network for visitors. This keeps your main network secure and limits access to your personal data.
  5. Update Router Firmware: Regularly check for firmware updates for your router. These updates often fix security vulnerabilities.
  6. Monitor Network Traffic: Keep an eye on the devices connected to your network. If you see any unfamiliar devices, investigate further.
  7. Use a VPN: When accessing sensitive information over WiFi, especially on public networks, use a VPN to encrypt your data.

Secure WiFi isn’t just a techie thing; it’s a necessity in today’s connected world. By taking these steps, you can significantly reduce the risk of cyber threats and protect your personal information.

Incorporating these practises into your routine is crucial. As technology evolves, so do the methods of cybercriminals. Staying informed and proactive is key to maintaining a secure network environment. For more on how innovative cyber security solutions are adapting to these challenges, it’s essential to stay updated with the latest trends and technologies.

7. Back Up Data Regularly

Backing up your data is like having a safety net for your digital life. It’s one of those things you don’t think about until it’s too late. So, here’s the deal: make it a habit to back up your data regularly. Not just once in a blue moon, but on a schedule.

Why Regular Backups Matter

  1. Data Loss Prevention: Whether it’s a hardware failure, accidental deletion, or a cyber attack, having backups ensures you don’t lose important information.
  2. Quick Recovery: If something goes wrong, backups allow you to restore your data quickly, minimising downtime.
  3. Peace of Mind: Knowing your data is safe and secure gives you one less thing to worry about.

How to Back Up Effectively

  • Use Multiple Locations: Store backups in different places. Consider cloud-based solutions alongside physical storage like external hard drives.
  • Automate the Process: Set up automatic backups to ensure consistency and reduce the risk of forgetting.
  • Test Your Backups: Regularly check that your backups are working by doing test restores. This way, you’ll know they actually work when you need them.

Regular data backups are not just a technical task but a crucial part of your security strategy. They protect against unexpected data loss and ensure business continuity.

Incorporating regular backups into your routine is a smart move. It’s not just about having copies of your files but ensuring that your information is always accessible, no matter what happens. Make sure to regularly back up data to stay ahead of potential data loss scenarios.

8. Beware of Phishing Attacks

Phishing attacks are like the con artists of the digital world. They trick you into handing over sensitive info by pretending to be someone trustworthy. It’s one of the most common ways cybercriminals steal data. Here’s how to keep yourself safe from these sneaky tactics.

Recognise the Signs

Phishing emails often look legit but usually have telltale signs:

  • Suspicious sender addresses: Check if the email address matches the company’s official domain.
  • Urgent requests: Be wary of emails that pressure you to act quickly.
  • Generic greetings: Authentic companies usually address you by name.

Steps to Protect Yourself

  1. Don’t click on links or download attachments from unknown emails.
  2. Verify requests for sensitive info by contacting the company directly.
  3. Keep your software updated to protect against vulnerabilities.

Educate and Train

Regular training can help you and your team spot phishing attempts. Use phishing simulations to test and improve your defences. These exercises mimic real-world attacks and help pinpoint weaknesses.

Report Suspicious Emails

Encourage a culture where everyone feels responsible for security. Make it easy to report suspicious emails without fear of blame. This proactive approach helps build a culture of awareness and accountability.

Staying alert to phishing attacks is like wearing a seatbelt in the digital world. It’s a simple step that can save you from a lot of trouble down the road.

9. Adopt a Zero Trust Approach

In today’s world, where cyber threats are lurking around every corner, adopting a Zero Trust approach is like building a fortress for your digital assets. Zero Trust means never assuming trust, always verifying. It’s a security model that requires strict identity verification for every person and device trying to access resources on a private network, whether they’re sitting in the office or working remotely.

Here’s how you can implement it:

  1. Verify Every User and Device: Don’t just let anyone in. Use multi-factor authentication to ensure that the person trying to access your systems is who they say they are.
  2. Least Privilege Access: Only give users access to what they absolutely need. This way, if someone does manage to sneak in, they can’t wander around and cause havoc.
  3. Micro-Segmentation: Break your network into smaller zones and require separate access for each one. This limits the ability of attackers to move freely across your network.
  4. Continuous Monitoring: Keep an eye on what’s happening in real-time. Use tools that alert you to any suspicious activity so you can react fast.

"Zero Trust isn’t just a security measure; it’s a mindset. It’s about being proactive, not reactive, in safeguarding your network."

By integrating a Zero Trust Network Access model, organisations can better protect their sensitive data and adapt to the ever-changing security landscape. This approach not only secures your data but also aligns with best practises for cyber resilience.

10. Implement a Bring Your Own Device Policy

In today’s flexible work environment, many employees prefer using their own devices for work. While this Bring Your Own Device (BYOD) approach is convenient, it poses unique security challenges. The key to a successful BYOD policy is balancing flexibility with security.

Key Steps for Implementing a BYOD Policy

  1. Define Clear Usage Guidelines: Establish what devices and applications are permitted for work use. Make sure employees understand the rules and why they exist.
  2. Enforce Security Measures: Require strong passwords and enable device encryption. Consider using mobile device management (MDM) solutions to monitor and secure devices.
  3. Separate Personal and Work Data: Implement solutions that keep personal data separate from work data to protect sensitive information.
  4. Regularly Update Security Protocols: As threats evolve, so should your security measures. Keep your policy up-to-date with the latest best practises and technologies.
  5. Educate Employees: Training is crucial. Educate your workforce about potential risks and how to mitigate them, ensuring they understand their role in maintaining security.

"A well-thought-out BYOD policy not only enhances productivity but also ensures that the organisation’s data remains secure."

Implementing a BYOD policy requires careful planning and ongoing management. By prioritising security and providing clear guidelines, organisations can enjoy the benefits of a flexible work environment without compromising their digital assets. This approach aligns with the need to balance security with usability, ensuring that employees can work efficiently while keeping company data safe.

11. Use a Firewall (And Keep It Updated)

Firewalls are the gatekeepers of your network, standing between your internal systems and the outside world. They are essential for blocking unwanted traffic and preventing unauthorised access. But just setting one up isn’t enough; keeping it updated is crucial.

  1. Types of Firewalls
  2. Regular Updates
  3. Configuration and Monitoring

"A firewall is like a lock on your door. It’s only effective if it’s engaged and maintained."

Remember, a firewall is just one part of a broader security strategy. Combine it with other measures like application hardening to create a robust defence system.

12. Execute a Comprehensive Network Audit

Executing a network audit is like giving your network a full health check-up. It digs into every nook and cranny of your network to spot weaknesses, ensuring everything’s up to scratch. Think of it as your first line of defence against potential cyber threats. Here’s how you can get started:

  1. Set Clear Objectives: Before diving in, figure out what you want to achieve. Are you looking to find security gaps, or maybe you want to ensure compliance with the latest standards?
  2. Gather Your Tools and Team: Make sure you’ve got the right software tools and a solid team who knows what they’re doing. It’s like assembling a crew for a treasure hunt, but instead of gold, you’re after vulnerabilities.
  3. Dig Into the Details: Check out all the devices, connections, and configurations. Look for anything that seems off or outdated.
  4. Review Security Policies: Make sure your security policies are up-to-date and being followed. If they’re not, it’s time to tweak them.
  5. Create an Action Plan: Once you’ve got your findings, don’t just sit on them. Develop a plan to tackle the issues head-on.

Regular audits are not just about finding what’s wrong but ensuring your network is strong and ready to face any challenge. It’s like a regular tune-up for your car; you might not notice the difference day-to-day, but it keeps everything running smoothly.

By regularly conducting a cyber security audit, you not only identify risks but also bolster your security posture. This proactive approach is crucial in adapting to evolving cyber threats. Keep in mind the importance of involving key stakeholders and defining clear objectives to make the audit truly effective. With the right preparation, your network audit can be a game-changer in your security strategy.

13. Monitor Network Traffic

Close-up of a digital network interface with glowing data streams.

Keeping an eye on your network traffic is like being the security guard for your digital world. It’s crucial to spot any unusual activity before it turns into a threat. Here’s how you can do it effectively:

Set Up Real-Time Monitoring

Real-time monitoring tools are your first line of defence. They help you see what’s happening on your network as it happens. You can set up alerts for anything that looks out of the ordinary, like unexpected data transfers or weird login attempts.

Use Network Monitoring Tools

There are plenty of tools out there that can help you keep track of your network traffic. Some popular ones include Wireshark, Nagios, and SolarWinds. These tools can help you see where your data is going and who is accessing it.

Analyse Traffic Patterns

Understanding your normal traffic patterns is key. By knowing what’s typical, you can quickly spot when something’s off. Look for spikes in traffic or data going to unknown destinations.

Implement Intrusion Detection Systems (IDS)

IDS tools are like alarm systems for your network. They can alert you to potential threats by recognising patterns that suggest an attack. This is especially useful for catching things like phishing attacks or unauthorised access attempts.

Regularly Review Logs

Logs are a treasure trove of information. Make it a habit to go through them regularly to spot any anomalies. This not only helps in identifying threats but also in understanding your network better.

"Monitoring network traffic isn’t just about catching bad guys. It’s about understanding your network and making sure everything’s running smoothly."

By staying on top of your network traffic, you can protect your data and ensure your network is running efficiently. Remember, in the world of cyber security, vigilance is your best friend.

14. Utilise Security Information and Event Management Solutions

Getting a handle on security events is like trying to drink from a firehose. That’s where Security Information and Event Management (SIEM) solutions come in handy. They gather and analyse log data from across your network, giving you a centralised view of what’s happening.

Key Benefits of SIEM Solutions

  • Real-time Monitoring: By collecting data from various sources, SIEM tools provide real-time insights into potential threats. This means your security team can act quickly to prevent breaches.
  • Compliance Reporting: These solutions help you meet regulatory requirements by automating the reporting process.
  • Incident Response: SIEM systems can trigger alerts for unusual activities, enabling rapid incident response and mitigation.

Implementation Steps

  1. Define Objectives: Start by clearly outlining what you want to achieve with your SIEM solution. This could range from threat detection to compliance management.
  2. Select the Right Tool: Choose a SIEM tool that aligns with your organisational needs. Consider factors like scalability, integration capabilities, and user-friendliness.
  3. Data Integration: Ensure that all relevant data sources, including servers, network devices, and applications, are integrated into the SIEM system.
  4. Customise Alerts: Tailor the alerting system to focus on critical threats and reduce false positives.
  5. Continuous Monitoring and Tuning: Regularly review and adjust the SIEM configuration to adapt to evolving threats and organisational changes.

"In today’s digital age, relying on a SIEM solution is not just about enhancing security; it’s about staying one step ahead of potential threats."

Challenges and Considerations

  • Complexity: Implementing a SIEM solution can be complex and requires skilled personnel to manage it effectively.
  • Cost: These systems can be expensive, so it’s crucial to weigh the benefits against the cost.
  • False Positives: A poorly configured SIEM can generate numerous false alerts, overwhelming your security team.

Embracing SIEM solutions is a proactive step towards robust network security. They not only help in conducting cyber security audits but also play a vital role in mastering essential practises for protection in 2024. While the journey may seem daunting, the benefits of having a comprehensive view of your security posture are well worth the effort.

15. Embrace Secure Access Service Edge

In 2025, embracing Secure Access Service Edge (SASE) is becoming more of a necessity than a choice. SASE merges network and security services into a unified cloud-based model, making it ideal for today’s flexible work environments. With more people working remotely, SASE helps ensure that everyone, whether at home or in a café, can safely access company resources.

Why SASE Matters

  • Unified Security: SASE integrates security features like secure web gateways, cloud access security brokers, and zero-trust network access into a single service.
  • Scalability: As your business grows, SASE scales with it, providing consistent security without needing additional hardware.
  • Performance: By routing traffic optimally, SASE reduces latency, enhancing user experience even when accessing cloud applications.

Implementing SASE

  1. Evaluate Your Needs: Understand your current network architecture and security requirements.
  2. Select the Right Vendor: Choose a provider that offers a comprehensive SASE solution tailored to your needs.
  3. Pilot and Scale: Start with a pilot programme to test the effectiveness and then gradually roll out across the organisation.

Adopting SASE is not just about keeping up with trends; it’s about securing your network against evolving threats while supporting a distributed workforce. As we move further into 2025, security standards will continue to evolve, and SASE will be at the forefront of this transformation.

16. Regularly Back Up Network Configurations

Regularly backing up your network configurations is like having an insurance policy for your digital infrastructure. If something goes wrong, like a cyber attack or a system failure, these backups are your lifeline. They help you restore everything to its former glory without too much hassle.

Let’s break down why this is super important:

  • Protection Against Human Error: Mistakes happen. Someone might accidentally delete a configuration file or change settings that mess things up. With a backup, you can quickly undo the damage.
  • Defence Against Cyber Attacks: Cybercriminals are always on the lookout for vulnerabilities. If they manage to breach your network, having a backup means you can recover without paying a ransom or losing critical data.
  • Hardware Failures: Devices can fail unexpectedly. A backup ensures you won’t lose your configurations and can get your network running smoothly again.

Here’s a simple plan to keep your network safe:

  1. Automate Backups: Set up automated backups to run at regular intervals. This way, you won’t forget, and your data stays current.
  2. Test Your Backups: Regularly test your backups by restoring some configurations. This ensures that your backups are actually usable when you need them.
  3. Store Backups Securely: Keep your backups in a secure, off-site location or in the cloud. This protects them from physical damage or theft.

Backing up network configurations isn’t just a technical task; it’s a critical part of your overall IT security strategy. By making it a priority, you ensure your organisation is prepared for the unexpected and can maintain continuity even in the face of disruptions.

17. Regular Penetration Testing

Regular penetration testing is like a health check-up for your network. It’s about finding those pesky security holes before someone else does. Think of it as hiring a friendly hacker to try and break into your system.

Why It’s Important

  • Identify Weaknesses: You get to know your weak spots before the bad guys do.
  • Compliance: Many industries require it to meet regulatory standards.
  • Peace of Mind: Knowing where you stand helps you sleep at night.

How Often Should You Test?

  1. Annually: At a minimum, do it once a year.
  2. After Major Changes: If you’ve revamped your IT environment, test again.
  3. When New Threats Emerge: If there’s a new vulnerability, it’s time to check.

Steps to Conduct a Penetration Test

  • Choose the Right Team: Certified testers who know their stuff.
  • Define Scope: Decide what parts of your network to test.
  • Simulate Attacks: Testers will mimic real-world attack scenarios.
  • Review Findings: Get a report on what they found and how to fix it.

Regular penetration testing is a proactive step in maintaining a strong security posture. It’s not just about checking a box for compliance but truly understanding and improving your network’s defences.

Best Practises

  • Use External Testers: They bring a fresh perspective.
  • Integrate with ACSC Essential Eight: Ensure your testing aligns with broader security frameworks.
  • Follow Up: Address the vulnerabilities found promptly.

18. Restrict Physical Access to Critical Infrastructure

When it comes to safeguarding your network, it’s not just about the digital side of things. Physical security is just as crucial. You don’t want anyone just wandering into your server room or data centre. Here are a few practical steps to tighten up physical security:

  1. Access Controls: Use keycards, biometric scanners, or even old-school locks to control who gets in.
  2. Surveillance: Install cameras around sensitive areas to keep an eye on things.
  3. Security Personnel: Having trained security staff can make a big difference.

It’s surprising how often physical security is overlooked. But think about it—if someone can physically access your servers, they can do a lot of damage. It’s like leaving your front door wide open and hoping no one walks in.

For businesses facing increasing cyber threats, ensuring the physical security of critical infrastructure is as important as digital defences. Regular audits and updates to security measures can help in maintaining a robust security posture.

Incorporate these strategies into your overall security plan to protect your infrastructure from both physical and digital threats.

19. Implement Logging and Monitoring Practices

In today’s digital world, keeping an eye on your network is like having a security guard for your data. Logging and monitoring are not just about keeping records; they’re about being proactive in spotting trouble before it becomes a disaster.

Why Logging Matters

Logging is like a diary for your network. It records everything, from user logins to system changes. This helps in:

  • Identifying suspicious activities: If something unusual happens, like multiple failed login attempts, logs can help spot it early.
  • Understanding system performance: Logs can show how well your systems are running, helping you tweak things for better performance.
  • Keeping track of changes: Any changes made to the system are noted, which is handy if something goes wrong and you need to backtrack.

The Power of Monitoring

Monitoring is the real-time review of logs. It’s like having CCTV cameras in a shop. Here’s why it’s crucial:

  • Immediate alerts: Get notified instantly if something’s amiss, like an unexpected data transfer.
  • Resource management: Monitoring helps ensure resources are used efficiently, avoiding overloads or failures.
  • Compliance and auditing: Regular monitoring ensures you’re following regulations and can provide evidence if needed.

Steps to Effective Logging and Monitoring

  1. Choose the Right Tools: Use tools that fit your network’s needs. They should be easy to use and provide comprehensive data.
  2. Set Up Alerts: Configure alerts for critical events, so you know when to take action.
  3. Regular Review: Make it a habit to review logs and monitoring data regularly to catch issues early.

Keeping a vigilant eye on your network through logging and monitoring is not just about security; it’s about peace of mind. Knowing that you’re prepared to catch and handle issues before they escalate is a game-changer in network security.

By integrating these practises into your cyber security strategy, you not only enhance your security posture but also align with frameworks like the ACSC Essential 8 Maturity Model, building a resilient organisation against evolving threats.

20. Establish a Guest Network

Setting up a guest network is like giving visitors their own separate lane on a highway. It keeps them away from your main systems, which is crucial for protecting sensitive information. By isolating guest users, you minimise the risk of unauthorised access to your core network.

Why You Need a Guest Network

  • Security: A guest network prevents visitors from accessing your main network, reducing the chances of cyber threats.
  • Privacy: It ensures that your business data remains confidential and secure.
  • Bandwidth Management: Controls the amount of bandwidth guests can use, so it doesn’t interfere with your business operations.

Setting Up a Guest Network

  1. Access Your Router Settings: Log into your router’s admin panel. This is typically done via a web browser.
  2. Enable Guest Network: Look for the option to enable a guest network in the settings. Most modern routers have this feature.
  3. Configure Security Settings: Set a strong password and select appropriate security protocols like WPA3.
  4. Set Bandwidth Limits: Manage how much bandwidth the guest network can use.
  5. Test the Network: Once set up, connect a device to ensure everything is working as expected.

Setting up a guest network isn’t just about convenience, it’s a smart move for protecting your primary network. It helps maintain strong leadership and proactive risk management by segregating guest access, ensuring your digital assets remain safe.

By establishing a guest network, you’re not just offering convenience to your visitors; you’re safeguarding your organisation’s digital assets and maintaining operational integrity.

21. Establish an Identity and Access Management Solution

In today’s digital age, managing who has access to what resources is more important than ever. Identity and Access Management (IAM) solutions are crucial for ensuring that the right individuals have the appropriate access to technology resources. Here’s why setting up an IAM solution is a game-changer for organisations:

  • Centralised Control: IAM systems provide a centralised platform where you can manage user identities and their access rights. This makes it easier to enforce security policies and ensure compliance across the board.
  • Enhanced Security: By implementing IAM, organisations can reduce the risk of data breaches. This is achieved by limiting access to sensitive information and ensuring that only authorised personnel can access specific data or systems.
  • Improved Productivity: With IAM, employees can have seamless access to the resources they need, without unnecessary delays. This boosts productivity as it reduces the time spent on accessing multiple systems with different credentials.

IAM solutions not only safeguard sensitive information but also align security measures with business objectives, making security a collaborative effort. Effective security governance ensures that data protection supports business goals rather than hinders them.

Identity and Access Management is not just about security; it’s about empowering your organisation to operate more efficiently and securely. It’s a strategic move that aligns IT infrastructure with business needs, fostering a secure yet accessible environment.

Implementing IAM is a step towards a more secure and efficient organisation, ensuring that security measures are not just an IT concern but a business priority.

22. Implement Single Sign-On

Single Sign-On (SSO) is a nifty tool that lets users log in just once and access multiple apps without needing to remember a bunch of passwords. This not only makes life easier for users but also beefs up security by reducing the risk of weak or reused passwords.

Why SSO Matters

  1. Simplifies User Experience: One password for everything means less hassle. Who wouldn’t want that?
  2. Improves Security: By cutting down on the number of passwords, you lower the chances of a security breach. Plus, it makes it easier to implement multi-factor authentication across all platforms.
  3. Saves Time: No more password reset emails or support calls. This can save businesses a fair bit of time and money.

Getting Started with SSO

To get going with SSO, you should:

  1. Choose the Right SSO Solution: Look for one that fits your business needs and integrates well with your existing systems.
  2. Plan Your Rollout: Start small, maybe with a pilot group, before going all-in. This way, you can catch any issues early.
  3. Educate Your Team: Make sure everyone knows how to use the new system and understands the benefits.

Implementing SSO is like giving your team a master key to all the doors they need to open. It’s efficient, secure, and just plain smart.

Common Challenges

  • Integration Issues: Not all apps play nice with SSO. You might need some custom solutions.
  • User Resistance: Change is hard. Some folks might be wary of the new system.
  • Security Concerns: While SSO boosts security, it also means a single point of failure. Make sure to restrict administrative privileges to mitigate this risk.

In a nutshell, SSO is a game-changer for businesses looking to streamline access and bolster security. With the right approach, it can be a smooth transition that pays off in the long run.

23. Use Multi-Factor Authentication

In this digital age, just having a password isn’t enough. Multi-Factor Authentication (MFA) is a must-have for securing your online accounts. It’s like having a double lock on your door. Even if someone guesses your password, they’ll still need another form of identification to get in. This could be a text message code, a fingerprint scan, or even a facial recognition check.

Why Use MFA?

  • Enhanced Security: Adding an extra step makes it harder for hackers to access your accounts.
  • Peace of Mind: Knowing your data is safer can help you sleep better at night.
  • Compliance: Many regulations now require MFA for certain types of data.

Types of MFA

  1. SMS Codes: A text message with a code is sent to your phone.
  2. Authenticator Apps: Apps like Google Authenticator generate time-based codes.
  3. Biometrics: Use your fingerprint or face to verify your identity.

Remember, leveraging technology such as firewalls, encryption, and multi-factor authentication is essential for enhancing security and ensuring compliance.

Implementing MFA

  1. Choose the Right Method: Consider what works best for your needs and risks.
  2. Educate Users: Make sure everyone knows how to use MFA and why it’s important.
  3. Regularly Review: Keep an eye on new technologies and threats.

Incorporating MFA into your security strategy is a step towards a more secure digital environment. Don’t wait until it’s too late—start now to protect your data and your peace of mind.

24. Implement Adaptive Multi-Factor Authentication

Close-up of a digital lock with network cables.

Adaptive Multi-Factor Authentication (MFA) is like giving your security system a brain. Instead of a one-size-fits-all approach, it adjusts the security checks based on the user’s behaviour and context. So, if you’re logging in from your usual spot, it might just ask for the basics. But try logging in from a café in another country, and suddenly it’s asking for more proof that it’s really you.

Why go adaptive? Simply put, it makes life harder for the bad guys without making it a pain for everyone else. It’s smart enough to know when something doesn’t add up and throws in extra hurdles for those odd situations.

How It Works

  1. Contextual Awareness: It looks at things like where you’re logging in from, what device you’re using, and even the time of day. If anything’s off, it steps up the security.
  2. Risk-Based Decisions: The system assesses how risky a login attempt is. High risk? More verification steps. Low risk? You’re in with just a password.
  3. Continuous Learning: Over time, it gets better at spotting weird behaviour, thanks to machine learning. It keeps learning from past incidents to improve its accuracy.

Implementing adaptive MFA is like having a security guard that knows your habits. It’s not just about blocking threats but understanding them and reacting accordingly.

In 2025, businesses are enhancing security by adopting smarter solutions like adaptive MFA. It’s about balancing security with convenience, ensuring that while threats are kept at bay, users can still go about their day without constant interruptions. This approach not only boosts security but also keeps the workflow smooth and uninterrupted.

Adaptive MFA is part of a broader strategy to combat sophisticated cyber threats, offering a proactive stance against potential breaches. By incorporating it into your security framework, you’re not just reacting to threats but anticipating them.

25. Utilise Just-In-Time Access and More

In the digital age, granting employees access to sensitive data and systems is a balancing act. Just-in-Time (JIT) Access is a game-changer for organisations looking to beef up their security without hindering productivity.

What is Just-In-Time Access?

JIT Access is all about giving employees the keys to the kingdom only when they need it, and not a moment longer. This means temporary access rights are granted just in time for a specific task or project. Once the job’s done, the access disappears. This approach significantly reduces the risk of data breaches from unnecessary permissions hanging around.

Benefits of Just-In-Time Access

  • Minimised Risk: By limiting access to only when it’s necessary, you cut down on the chance of unauthorised access.
  • Improved Compliance: This method helps meet regulatory requirements by ensuring that access is tightly controlled and monitored.
  • Enhanced Security Posture: With less standing access, the potential attack surface shrinks, making it harder for bad actors to exploit.

Implementing Just-In-Time Access

  1. Assess Needs: Start by identifying which roles and tasks require temporary access.
  2. Set Clear Policies: Define how and when JIT Access can be granted, and ensure everyone knows the rules.
  3. Automate the Process: Use tools that can automatically grant and revoke access based on predefined conditions.

"In a world where data is gold, Just-In-Time Access is like having a vault that only opens when the right person needs to get in."

Beyond Just-In-Time Access

While JIT Access is a powerful tool, it’s just one piece of the puzzle. Combine it with other strategies like multi-factor authentication and regular access reviews to create a robust security framework. The goal is to ensure that the right people have access to the right resources at the right time, and nothing more.

To enhance your cybersecurity, consider using Just-In-Time Access. This method helps you manage who can access your systems and when, making it harder for threats to get in. For more tips and tools to boost your security, visit our website today!

Conclusion

Alright, so we’ve covered a lot about network security and the best practises for 2025. It’s clear that keeping our digital spaces safe is more important than ever. With cyber threats always changing, it’s like a game of cat and mouse. But by sticking to the basics—like regular updates, strong passwords, and educating everyone involved—we can make a big difference. It’s not just about fancy tech solutions; it’s about everyone doing their part. So, whether you’re a tech guru or just someone trying to keep your data safe, remember that every little step counts. Let’s keep our networks secure and stay ahead of those cyber baddies.

Frequently Asked Questions

What is the importance of using strong, unique passwords?

Strong, unique passwords are crucial because they protect your accounts from unauthorised access. If a hacker gets hold of one password, they can’t access other accounts if each has a different password.

Why should software be kept updated?

Updating software is important because it fixes bugs and security holes. Hackers often exploit these weaknesses, so keeping your software up-to-date helps protect your system from attacks.

How does multi-factor authentication enhance security?

Multi-factor authentication adds an extra layer of protection by requiring more than just a password to access an account. This means even if someone knows your password, they can’t access your account without the second form of verification.