2 New Microsoft Defender Zero-Days Exploited—Patch Now Rolling Out

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by ...
Tech Times

Microsoft Defender Zero-Days Patched: RedSun, UnDefend Exploits Already Used in Live Intrusions

Microsoft pushed out-of-band patches on May 21, 2026, for two actively exploited Windows Defender zero-days — one that lets a ...
TechRepublic

Microsoft Defender Flaws Exploited on Windows, Two Left Unpatched

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users. No less than ...

Microsoft Exchange hacked, Defender broken, BitLocker bypassed

While there weren’t any genuine zero-day vulnerabilities to patch in May’s Patch Tuesday update, the fallout since then has ...
Forbes

Now Microsoft Windows Defender Can Be Disabled By Hackers

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. There are a number of antivirus, anti-malware, and internet ...

CrowdStrike Falcon OverWatch for Defender Extends Managed Threat Hunting to Microsoft Endpoint Customers

CrowdStrike (NASDAQ: CRWD) today announced Falcon OverWatch for Defender, extending industry-leading managed threat hunting to Microsoft endpoint customers. Falcon OverWatch for Defender strengthens ...

Microsoft warns hackers are exploiting password resets to gain access to user accounts

Storm-2949 is engaged in a "methodical, sophisticated, and multi-layered" campaign ...
Bleeping Computer

Microsoft kills off Defender 'Privacy Protection' VPN feature

Microsoft announced it is killing off its Privacy Protection VPN feature in the Microsoft Defender app at the end of the month to focus on other features. The tech ...

These 5 critical Windows Defender settings are off by default - turn them on ASAP

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.
Opinion
PCMag on MSNOpinion

I've Tested Every Major Antivirus. Please Don't Rely on Just Microsoft Defender

Microsoft claims Windows Defender is all the protection you need. I've been testing antivirus software for decades, and the evidence—not to mention the threats it can't protect you from—says otherwise ...