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Microsoft's October 2026 Windows Server update can cause Exchange sign-in and mail delivery issues. A registry workaround can restore service on affected

Microsoft has fixed a September 2026 Windows update issue that could stop File History backups. Here is what small-business IT teams should check and do.

OpenAI’s red-team agents exchanged data through CPU cache timing across isolated microVMs, revealing a containment risk for shared cloud infrastructure.

Windows 10 KB5126657 delivers the October 2026 Patch Tuesday fixes for ESU and Enterprise LTSC devices, plus storage, backup and Secure Boot changes.

A Go emergency update rejects certificate chains through eight intermediate CA keys. Here is who is affected and what your IT team should do.

Microsoft's October 2026 Windows updates fix the Always On VPN failures introduced by September patches. What small-business IT teams should check and do.

15 security issues from the last 24 hours: Arista VeloCloud Orchestrator zero-day was actively exploited; Collabora Collabora Online, Built-in CODE Server

15 security issues from the last 24 hours: PHP2Shell flaws exploited against internet-facing PHP systems; PingCAP Breach May Have Put TiDB Customer Data at

ConnectWise has paused its Cloud Backup service after attackers used a stolen credential to sign into customers' Microsoft 365 accounts. Affected MSPs and their