News

Microsoft Teams vishing attacks lead to Chaos ransomware attacks

  • Lawrence Abrams--BleepingComputer
  • published date: 2026-07-30 15:56:33 UTC

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. [...]

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. So… [+5231 chars]