Ransomware is nasty stuff. This type of malware encrypts files on your PC so that you can’t access them—unless you pay the attacker to unlock the data. In other words, your files are held hostage ...

Here are the basics: Microsoft Defender is the virus protection integrated into Windows by default. If no other antivirus program is installed and activated, Defender protects you against viruses. You ...

Some PC users have reported cases whereby the Security Intelligence Update for Microsoft Defender Antivirus fails to work on their Windows 11 or Windows 10 computer and in Windows Security app. Under ...

Explore the top antivirus solutions for Windows in 2025, focusing on comprehensive security, compliance, and resilience for enterprises in the evolving threat landscape.

We explore how Windows Security and Microsoft Defender protect your Windows 11 computer and why you might want to consider an alternative. Dianna Gunn built her first WordPress website in 2008. Since ...

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, ...

ZDNET experts put every product through rigorous testing and research to curate the best options for you. If you buy through our links, we may earn a commission. Learn Our Process 'ZDNET Recommends': ...

Microsoft says the KB5007651 Microsoft Defender Antivirus update triggers Windows Security warnings on Windows 11 systems saying that Local Security Authority (LSA) Protection is off. LSA Protection ...

Windows 11 users report seeing widespread Windows Security warnings that Local Security Authority (LSA) Protection has been disabled even though it shows as being toggled on. LSA protection is a ...

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 ...

Antivirus is the guard posted at your hardware, whereas identity security is out on the battlefield. Antivirus works inside ...

The end of support for Windows 10 means it's now a prime target for malware. But that doesn't mean you have to upgrade to ...