Microsoft 365 Exchange URL Filtering Update Quarantines Legitimate Emails as Phishing
18/02/2026-18:59 18/02/2026-19:00 מחשבים וטכנולוגיה Cyber Security News דיווח
A faulty URL filtering rule update in Microsoft Exchange Online triggered a widespread false-positive storm beginning February 9, 2026, causing legitimate email messages to be incorrectly flagged as phishing and quarantined, disrupting email workflow
