How a simple link allowed hackers to bypass Copilot's security guardrails - and what Microsoft did about it

Reprompt let attackers control Copilot and pull your data, even after you closed the chat.

Jan 19, 2026 18

How a simple link allowed hackers to bypass Copilot's security guardrails - and what Microsoft did about it
Reprompt let attackers control Copilot and pull your data, even after you closed the chat.
Read More