Mystery of spying using popular chat apps uncovered by Google Project Zero researcher.
Users of the Linux-based open-source firmware—which include developers from commercial router companies--may be targeted by phishing campaigns, administrators warn.
The tech giant removes 164 more offending Android apps after banning software showing this type of behavior from the store last year.
The optional feature was released free to users in a technical preview this week, adding a new layer of security to service, which has been plagued by privacy concerns.