Microsoft Defender XDR uses AI-powered incident prioritization to reduce alert fatigue and speed SOC triage. Machine learning scores incidents using threat context, MITRE ATT&CK signals, asset ...

In general, you shouldn't need to define exclusions for Microsoft Defender Antivirus. However, if necessary, you can exclude files, folders, processes, and process-opened files from Microsoft Defender ...

Security teams are being pushed to their limits as AI‑powered cyberattacks grow in speed, scale, and sophistication—and only 14% of organizations surveyed by the World Economic Forum report they feel ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Updated December 13 with news of a zero-day exploit that ...

Microsoft to Hike Office Prices in 2026, Citing Major AI and Security Overhauls Your email has been sent You might want to start setting aside a little extra budget, because Microsoft is raising the ...

Microsoft Defender XDR faced a significant service disruption yesterday after a sudden traffic spike caused heavy CPU overload on core components powering the Defender portal. The outage left some ...

On December 2, 2025, Microsoft experienced a widespread outage in its Defender Portal that prevented many organizations from accessing critical security alerts and threat-hunting data. According to ...

Even though Windows tells you “You’re using the latest version”, the last updated date is a few days old. That makes it easy for regular users to think ...

Cybersecurity researchers have shed light on a cross-tenant blind spot that allows attackers to bypass Microsoft Defender for Office 365 protections via the guest access feature in Teams. "When users ...

Microsoft made several announcements on Tuesday at its annual Ignite conference for developers and IT professionals, unveiling security enhancements in products such as Defender, Sentinel, Copilot, ...

Artificial intelligence-enabled agents are taking the enterprise by storm, and the level of autonomy they introduce brings some serious security challenges that Microsoft Corp. is doing its best to ...