Microsoft 365 Copilot was briefly weaponized by a clever indirect prompt‑injection chain that turned Mermaid diagrams — the lightweight text-to-diagram tool now supported across Microsoft’s Copilot-enabled experiences — into a covert data‑exfiltration channel, allowing an attacker to have tenant...
Zero-click attacks have steadily haunted the cybersecurity community, but the recent disclosure of EchoLeak—a novel threat targeting Microsoft 365 Copilot—marks a dramatic shift in the exploitation of artificial intelligence within business environments. Unlike traditional phishing or malware...
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