India, July 12 -- Many digital users rely on Virtual Private Networks (VPNs) to combat security threats, allowing the application to view, intercept and handle all user traffic in return for hiding identifying information from third parties. Yet a new mobile VPN security testing framework-MVPNalyzer-found many popular VPNs breach user trust, according to a University of Michigan Engineering study.

The framework is the first of its kind that can audit mobile VPN apps at scale. The research was presented at the Network and Distributed System Security (NDSS) 2026 Symposium and funded by the National Science Foundation, reads the University of Michigan Engineering website.

Of the 281 popular Android VPN apps tested, 29 VPNs leaked DNS and b...