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Here are a few potential reasons why an organisation might continue using Windows 10 after its end of life (EOL) on October 14, 2025. These might include Compatibility Issues, Lack of Resources and Regulatory Compliance to name a few.

However, continuing to use Windows 10 after the EOL comes with significant risks, including:

  • Exposure to security vulnerabilities without critical patches and updates from Microsoft
  • Potential compliance issues if unsupported software is used in regulated environments
  • Compatibility problems with new software and hardware that is optimized for newer Windows versions
  • Lack of access to new features and functionality in Windows 11 that could improve productivity and efficiency

So while there may be valid reasons to delay upgrading, the risks of running an unsupported OS generally outweigh the reasons to stay on Windows 10 past the EOL date. Proactive planning and budgeting for the migration to Windows 11 is advisable for most organisations.

However, if you do choose to stay on Windows 10, to secure it after its end of life (EOL), your organisation must adopt a proactive approach to mitigate the inherent risks associated with using an unsupported operating system. Here are some best practices to enhance security and maintain operational integrity:

1. Implement Extended Security Updates (ESU)

For organisations that must continue using Windows 10, we strongly recommend enrolling in Microsoft’s Extended Security Updates (ESU) program. While there are some limitations and an additional cost, this program provides critical security updates for a limited time, allowing businesses to maintain a level of protection while planning a transition to a newer operating system.

2. Strengthen Endpoint Security

Deploy robust endpoint protection solutions, such as Endpoint Detection and Response (EDR) systems. These tools can help identify and respond to threats in real-time, providing an additional layer of security against malware and other cyber threats.

3. Regular Backups

Ensure that all critical data is backed up regularly using reliable backup solutions. This practice not only protects against data loss due to cyberattacks but also facilitates recovery in case of system failures or breaches.

Essential Backup and Disaster Recovery (BDR) Strategies: Ensuring Service and Data Resiliency | Ekco

4. Enhance Network Security

Implement advanced network security measures, including:

  • Firewalls: Use firewalls to monitor and control incoming and outgoing network traffic based on predetermined security rules.
  • Intrusion Detection Systems (IDS): Deploy IDS to detect and respond to potential security breaches in real-time.

5. Adopt Multi-Factor Authentication (MFA)

Implement MFA across all user accounts to add an extra layer of security. This significantly reduces the risk of unauthorized access, as users will need to provide multiple forms of verification before gaining access to sensitive systems or data.

6. Conduct Regular Security Audits

Perform regular security audits and vulnerability assessments to identify potential weaknesses in your systems. Address any identified vulnerabilities promptly to minimize the risk of exploitation.

7. Educate Employees

Provide comprehensive training for employees on cybersecurity best practices. This includes recognizing phishing attempts, safe browsing habits, and the importance of reporting suspicious activities. An informed workforce is a critical line of defence against cyber threats.

8. Monitor for Threats

Utilise monitoring tools to continuously track the performance and security of Windows 10 systems. Regularly review logs and alerts for unusual activities that may indicate a security breach.

9. Plan for Application Compatibility

As software vendors begin to phase out support for Windows 10, proactively assess the compatibility of critical applications with newer operating systems. This ensures that essential business functions remain uninterrupted during the transition.

10. Develop a Transition Plan to Windows 11

Ultimately, the best long-term strategy is to transition to a supported operating system like Windows 11. Begin developing a comprehensive migration plan that includes timelines, resource allocation, and user training to ensure a smooth transition.

 

Conclusion

While it may be tempting to continue using Windows 10 after its EOL, the associated security risks are significant. By implementing these best practices, organisations can bolster their defences against cyber threats and prepare for a future transition to a more secure operating system. The key is to act proactively and prioritise security to safeguard your organisation’s data and operations.

Schedule a call with our team today to determine how at risk your OS is.

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