A spyware program disguised as an app that dispenses Android updates was downloaded between 1 and 5 million times before being pulled from Google's official U.S. Play Store, according to researchers at Zscaler.
A Russian-speaking cybercriminal was discovered last March selling a new ransomware program named Karmen on the dark web, although infections could date back as early as December 2016 in the U.S. and Germany.
Security firm Cylance Tuesday disputed accusations that it used fake malware that only its Protect product could detect to gain more favorable results over competitors during testing.
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