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A VPN creates an encrypted tunnel between devices and a remote network, making its configuration and flaws important to privacy and access control.

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VPN (virtual private network) creates an encrypted tunnel between a device and a VPN gateway, or between networks, across an untrusted network such as the internet. It is commonly used for remote access and site-to-site connectivity. Encryption protects traffic in transit between the tunnel endpoints, but it does not secure a compromised device, protect data after it reaches the destination, or automatically make the VPN provider trustworthy; logging and traffic visibility depend on its configuration and operator.

VPN gateways are high-value entry points: vulnerabilities in internet-facing appliances, weak protocols or configurations, and stolen credentials can enable unauthorized access to internal systems. Organizations should patch and securely configure gateways, require phishing-resistant or otherwise strong multi-factor authentication where practical, restrict access and segment remote sessions, and monitor authentication and connection logs. During an incident, VPN account and gateway records can help identify access, while compromised gateways may require credential resets and network-wide review.

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Bank Info Security 2 years, 2 months ago

Breach Roundup: LockBit Claims Wichita Attack

Also: New Attack Threatens VPN User Privacy; Android Malware Targets FinlandThis week, LockBit claimed responsibility for an attack, British Columbia probed an attack, the "TunnelVision" flaw threatened VPN users' privacy, a CEO was sentenced for a scam, attackers exploited a WordPress plug-in flaw, Zscaler probed a breach and Finland warned about Android malware scams.

Krebs on Security 2 years, 2 months ago

Why Your VPN May Not Be As Secure As It Claims

Virtual private networking (VPN) companies market their services as a way to prevent anyone from snooping on your Internet usage. But new research suggests this is a dangerous assumption when connecting to a VPN via an untrusted network, because attackers on the same network could force a target's traffic off of the protection provided by their VPN without triggering any alerts to the user.