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Sneaky Mermaid attack in Microsoft 365 Copilot steals data

Friday October 24, 2025. 08:58 PM , from TheRegister
Redmond says it's fixed this particular indirect prompt injection vuln
updated Microsoft fixed a security hole in Microsoft 365 Copilot that allowed attackers to trick the AI assistant into stealing sensitive tenant data – like emails – via indirect prompt injection attacks.…
Read more at TheRegister
https://go.theregister.com/feed/www.theregister.com/2025/10/24/m365_copilot_mermaid_indirect_prompt_...

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