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identity attack surface
About this tag
The identity attack surface refers to the ways attackers exploit user identities and authentication mechanisms to gain unauthorized access. On WindowsForum.com, discussions highlight how collaboration tools like Microsoft Teams have become a key identity attack surface, with attackers impersonating IT staff to bypass MFA and harvest credentials. The tag covers threats targeting Microsoft 365 environments, emphasizing that the collaboration layer now poses significant identity risks. Defensive strategies include restricting external chats and rethinking default security settings. The identity attack surface is a growing concern for enterprise IT, requiring proactive measures beyond user awareness.
On June 8, 2026, Palo Alto Networks Unit 42 warned that attackers are increasingly using Microsoft Teams chats to impersonate IT support staff, trick employees into accepting external conversations, and manipulate them into approving MFA prompts or visiting credential-harvesting pages. The core...