Fortunately, there's an excellent online tool called VirusTotal that can help. It's a website that scans and analyzes ...

Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though. We’ve tested and ranked the best free antivirus apps. When the IBM PC was new, I served ...

Keeping your Windows PC secure from viruses and malware is an essential part of being a Windows user. Microsoft has the Windows Security app built-in, but you might prefer something else. However, ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like antivirus software, this software is built right into modern operating systems ...

If you use a Windows laptop in 2025, chances are you store important files on it: work documents, school projects, bank details, or personal photos. Unfortunately, the more connected we are, the more ...

You don’t have to spend a lot of money for online security tools. In fact, you don’t have to spend a single cent to stay secure. There are a lot of great security ...

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': ...

I review a lot of laptops and I’ve noticed many of them come with a “free trial” of McAfee antivirus preinstalled. I’ve clicked through so many warnings about how my PC will be “at risk” unless I pay ...

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

Over 300,000 new types of ransomware and other malicious software are discovered daily, according to the IT security research institute AV-TEST. Computer viruses can slow your devices, create a slew ...

Dianna Gunn built her first WordPress website in 2008. Since then, she's poured thousands of hours into understanding how websites and online businesses work. She's shared what she's learned on blogs ...