0xensec Daily Roundup — April 12, 2026
A major investigative report from Citizen Lab has once again cast a harsh spotlight on the global abuse of surveillance capabilities by law enforcement, focusing specifically on their exploitation of advertising-based geolocation data. The tool at the center of this controversy is Webloc, which enables real-time and historical tracking of hundreds of millions of mobile devices worldwide. Originally engineered by Israeli firm Cobwebs Technologies and later managed by Penlink following a 2023 acquisition, Webloc hoovers up commercial ad location data, providing access to precise device trails often without meaningful oversight or warrants [1].
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