A new peer-reviewed study alleges that 18 of the 100 most-downloaded virtual private network (VPN) apps on the Google Play Store are secretly connected in three large families, despite claiming to be independent providers. The paper doesn’t indict any of our picks for the best VPN, but the services it investigates are popular, with 700 million collective downloads on Android alone.
The study, published in the journal of the Privacy Enhancing Technologies Symposium (PETS), doesn’t just find that the VPNs in question failed to disclose behind-the-scenes relationships, but also that their shared infrastructures contain serious
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