Microsoft Defender Antivirus, formerly known as Windows Defender, is a built-in antivirus and antimalware service that comes with Windows 10, Windows 11 and some versions of Windows Server. In its ...

Microsoft announced the week before RSA 2020 that they were releasing Microsoft Defender for iOS and Android. The news comes as part of their announcement around Microsoft Threat Protection (MTP), ...

Microsoft Defender is now available for Linux desktops. Shocked? In 2026, you shouldn't be. Microsoft's down with the ...

Microsoft Defender expands to Linux desktops in public preview, bringing antivirus, threat detection, vulnerability ...

Microsoft Defender has gone from a placeholder to something you can reasonably trust. For a lot of people, Defender is good enough. But that’s the part that people may miss. “Good enough” depends on ...

Microsoft wants Windows 11 owners to stop worrying about buying antivirus software. In statements reported by PCMag and Windows Central earlier this year, the company called its built-in Windows ...

Microsoft believes Linux systems also need a corporate-oriented security solution such as Defender. Redmond's anti-malware ...

Finance teams handle some of an organization's most sensitive information, from payment details and payroll data to banking records, vendor information, contracts, and financial forecasts. That makes ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft and CISA confirm Defender zero-days exploited in the wild. Microsoft has started ...

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Microsoft has resolved a known issue that causes incorrect alerts warning that Defender Antivirus was turned off after installing recent updates. In a Windows release health dashboard update on ...

Update May 25, 04:19 EDT: CVE-2026-41091 is a Microsoft Defender local privilege escalation (LPE) flaw known as RedSun, and CVE-2026-45498 is known as UnDefend, a security flaw that can be exploited ...