Microsoft: Anti-phishing rules mistakenly blocked emails, Teams messages

Microsoft: Anti-phishing rules mistakenly blocked emails, Teams messages

• Microsoft: Anti-phishing rules mistakenly blocked emails, Teams messages February 18, 2026 11:26 AM 0 Microsoft says an Exchange Online issue that mistakenly quarantined legitima

Cybersecurity · February 18, 2026 (updated February 24, 2026) · 2 min · 352 words