Microsoft 365 has suffered a nearly 10-hour outage affecting Outlook, Teams, SharePoint, and OneDrive, with users disputing the company's resolution claims.

Microsoft uncovered how attackers bypassed security measures and stayed hidden inside compromised mailboxes for days.

Hackers are, once again, using SharePoint to target large energy firms, steal employee email credentials, and propagate the ...

Microsoft warns of a new AitM phishing and BEC campaign targeting the energy sector with SharePoint-hosted malicious payloads ...

New Windows malware abuses built-in security logic to disable Microsoft Defender, steal data, and encrypt files without using exploits.

Microsoft services were abused in a new phishing campaign that targeted energy firms using malicious SharePoint links.

Microsoft reports a multi-stage AitM phishing and BEC campaign abusing SharePoint, inbox rules, and stolen session cookies to ...

Speed up Power Query from SharePoint by swapping SharePoint.Files for SharePoint.Contents, cutting refresh from 44.6s to about 6.1s for faster updates.

If Excel AutoSave suddenly stopped working for workbooks stored in OneDrive or SharePoint after an Office/OneDrive update, ...

An hours-long outage is preventing Microsoft's enterprise customers from accessing their inboxes, files, and video meetings.

Unknown attackers are abusing Microsoft SharePoint file-sharing services to target multiple energy-sector organizations, ...

Microsoft Defender Researchers uncovered a multi‑stage AiTM phishing and business email compromise (BEC) campaign targeting ...