Security Update: October 2025 – Major VPN Vulnerability & UK Network Protection
A critical vulnerability in a popular VPN solution was disclosed in October 2025, putting remote workers at risk.
What Happened?
- The flaw allowed attackers to bypass authentication and access internal networks.
- Exploits were observed in the wild targeting businesses.
How to Secure Your VPN
- Update your VPN software to the latest version.
- Enforce strong authentication (MFA) for all remote access.
- Monitor VPN logs for unusual activity.
- Limit VPN access to necessary users only.
Real-World Case Study
The Pulse Secure VPN vulnerability in 2019 was widely exploited, affecting thousands of organisations. Read more: Pulse Secure VPN exploit analysis
Resources
Frequently Asked Questions
Q: What is a VPN vulnerability?
A: It’s a security flaw in VPN software that can allow attackers to bypass protections and access private networks.
Q: How do I know if my VPN is affected?
A: Check for vendor security advisories and update your VPN software regularly.
Q: What is MFA and why is it important?
A: Multi-factor authentication adds an extra layer of security for remote access.
Q: Can VPN vulnerabilities affect home users?
A: Yes, but businesses are typically at greater risk due to sensitive data and remote access needs.
Q: Where can I find more information?
A: Visit US-CERT, your VPN vendor’s website, and security news sources for updates.
Check back for more security news next month.
Concerned About Your Network Security?
Book a free network security assessment for your UK business. Our experts will review your VPN setup, remote access policies, and vulnerability management to help you stay protected. Request your assessment now and safeguard your business against the latest threats.