VulnPulseConnecting…
Security news

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

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. Huntress, which observed the activity between July 14 and September 22, 2026, said it detected 497 successful Microsoft 365 sign-in events across

Read on The Hacker News

Check whether your data has leaked

  • Have I Been Pwned: check for free whether your email address is in past breaches (the FBI also contributes leaked passwords)
  • Google Password Checkup: checks passwords saved in Google for leaks, reuse and weakness, and suggests changes

How to check, and what to do if your data leaked

SourceThe Hacker News
Fetched10/26/2026, 06:23 PM
DataMarkdown JSON

On 10/26/2026, 05:35 PM, The Hacker News published "Microsoft 365 Token-Replay Attacks Compromise 97 Accounts at 79 Organizations" (type: Security news).