"Advanced cyber actor" took advantage of vulnerability allowing malware to penetrate phones using the app's voice calling function

Synopsis

In May 2019, the company warned its users that a vulnerability in its service could have left its 1.5 billion users exposed to hackers. Attackers placed malicious code on users' devices simply by making a call. The malware spread to 1,400 mobile phone...

Companies

  • WhatsApp Messenger

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