Microsoft mistake blows up admins' inboxes with fake malware alerts
ID: c310720f-a8ef-59db-b00b-b4c24d0c1021
STIX ID: report--c310720f-a8ef-59db-b00b-b4c24d0c1021
Feed Name: The Register (Security)
Microsoft 365 mistakenly quarantined legitimate emails as malware (EX873252), causing administrative disruption while Microsoft investigated and mitigated a detection system issue; by 2000 UTC on August 26, the company reported over 99% of affected emails had been unblocked and replayed, though some impact persisted.
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