This is the latest zero-day released by security researcher Nightmare Eclipse, despite Microsoft publicly threatening to take legal action against them.

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices.

As part of August’s Patch Tuesday, Microsoft released security updates that address 398 new vulnerabilities. Alongside Windows and Office, other products and services are also affected: Teams, ...

All Windows PCs come with a built-in security feature called Windows Defender Application Control (WDAC), which helps prevent unauthorized software from running by allowing only trusted applications.

Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates.

For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

Q: What does Trend Micro’s Internet Security do over Windows Defender? A: Cyber threats today aren’t just about viruses. Phishing scams, ransomware attacks and identity theft are all evolving, making ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...

Both AVG and Windows Defender work to protect your PC from malware and other security threats. They both have major differences in the following aspects. AVG and Windows Defender mainly differ in ...

Question: What does Trend Micro’s Internet Security do over Windows Defender? Answer: Cyber threats today aren’t just about viruses as phishing scams, ransomware attacks, and identity theft are all ...

To permanently remove Windows Security, use Local Group Policy Editor, Windows Registry tweaks, or the Windows Defender Remover tool. Be cautious— removal can leave your PC vulnerable. Always back up ...

If Windows Security shows Unknown status in Windows 11, this post may help you. Windows Security offers features and tools that protect your PC from threats, including viruses, malware, ransomware, ...