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Hackers target Microsoft 365 accounts with 81 million login attempts By Bill Toulas July 1, 2026 12:38 PM An aggressive password-spraying campaign targeting Microsoft 365 environments generated more than 81…
Microsoft warns of surge in ACR Stealer attacks on customers By Bill Toulas July 18, 2026 10:17 AM Microsoft has observed a surge in attacks using the ACR Stealer malware to…
Microsoft releases Windows 10 KB5099539 extended security update By Lawrence Abrams July 14, 2026 02:49 PM Microsoft has released the Windows 10 KB5099539 extended security update, which includes the July 2026…
Microsoft Teams vishing attacks lead to Chaos ransomware attacks By Lawrence Abrams July 30, 2026 11:56 AM Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote…
…Anthropic confirms Claude is down worldwide Microsoft blames massive Microsoft 365 outage on maintenance bug Microsoft 365 outage affects Teams, SharePoint and other services AsyncAPI npm packages infected with credential-stealing malware…
New phishing kits target Microsoft 365 accounts, evade MFA By Bill Toulas July 14, 2026 08:49 AM Two new phishing kits, Jalisco and OmegaLord, have been discovered in attacks targeting Microsoft…
New attack turned Microsoft 365 Copilot into 1-click data theft tool By Bill Toulas June 15, 2026 09:00 AM A critical vulnerability chain dubbed SearchLeak in Microsoft 365 Copilot Enterprise…
Ransomware gang abuses Microsoft Teams relays to hide malicious traffic By Bill Toulas June 16, 2026 06:18 AM DragonForce ransomware used a custom malware named 'Backdoor.Turn' to hide command-and…
Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-days By Lawrence Abrams May 12, 2026 02:08 PM Today is Microsoft's May 2026 Patch Tuesday, with security updates for…
Microsoft plans to improve Windows 11 driver quality in 2026 By Mayank Parmar May 19, 2026 12:22 PM Microsoft plans to raise the quality bar of Windows 11 drivers, as drivers…
