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#2 The Hacker News general October 26, 2026 at 15:52 UTC

Attackers Use Microsoft Teams IT Support Scams to Deploy Malware and Ransomware

By [email protected] (The Hacker News)

AI Summary

Threat actors are exploiting Microsoft Teams' external chat creation feature to impersonate IT support staff and deliver malware and ransomware, with researchers documenting a consistent pattern across hundreds of incidents. Attackers use disposable throwaway tenants and the same social engineering scripts, making this an active, repeatable attack surface that security teams need to address through Teams external access policy.

Read full article → https://thehackernews.com/2026/10/attackers-use-mi…

Relevance score: 80.0/100

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