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Home Alerts

New TunnelVision Attack on VPNs

May 7, 2024
Reading Time: 3 mins read
in Alerts
New TunnelVision Attack on VPNs

In a significant cybersecurity breakthrough, experts at Leviathan Security Group have identified a new type of cyberattack targeting Virtual Private Networks (VPNs), which they’ve named “TunnelVision.” This attack method challenges the core functionality of VPNs by bypassing the encryption that ordinarily secures data traffic between users and the internet. TunnelVision exploits specific vulnerabilities within the routing mechanisms of VPNs, allowing cybercriminals to access and potentially leak sensitive data by “decloaking” or revealing the actual data flowing through what should be a protected, encrypted channel.

The mechanics of the TunnelVision attack involve a complex manipulation of the VPN’s infrastructure. Attackers deploy a DHCP server on the same network as the VPN users and configure it to reroute traffic through themselves before it reaches the legitimate gateway. This approach lets attackers intercept and examine the data, effectively breaching what users expect to be a secure and private communication channel. This breach is particularly concerning because VPNs are widely relied upon by individuals and organizations to safeguard their internet traffic, especially in scenarios like remote work or when using public Wi-Fi.

The revelation of the TunnelVision attack has profound implications for the security protocols of VPNs. Given their role in protecting private and sensitive information—ranging from personal identifiers to corporate secrets and government communications—the vulnerability exposed by TunnelVision raises significant concerns about the reliability of VPN technologies as a whole. This vulnerability could potentially allow unauthorized access to a vast amount of confidential information, underlining the critical need for secure VPN services.

Given the seriousness of this security threat, it is imperative for both individual users and organizations to maintain vigilance over their network protections. Leviathan Security advises all VPN users to stay updated on the latest security enhancements and promptly apply software patches and updates. Regular updates are essential to fortify VPNs against such sophisticated attacks as TunnelVision, ensuring the continued protection of sensitive data against emerging cyber threats.

Reference:
  • New TunnelVision Cyberattack Threatens VPN Security

Tags: Cyber AlertCyber Alerts 2024Cyber RiskCyber threatLeviathan Security GroupMay 2024TunnelVisionVirtual Private NetworksVPNs
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