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Ace Security Desk

Microsoft 365 Token-Replay Attacks Compromise 97 Accounts at 79 Organizations

Ace Security Desk – Cybersecurity researchers have disclosed a Microsoft 365 campaign that has been observed leveraging an adversary-in-the-middle (AitM) relay to capture sign-in sessions and then replay the stolen tokens to break into email accounts at 79 organizations according to THN: Published: Oct.26 2026 Huntress, which observed the activity between July 14 and September 22, […]