Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Antivirus software offers digital protection and defends against malware. But it can't shield you from everything.

Learn why Computer Security Day matters and get simple steps to protect your devices, accounts, and privacy in 2025.

Detect if computer compromised with key indicators, tools, and cybersecurity tips to secure your system fast. Pixabay, ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

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 ...

Antivirus is non-negotiable for a PC. And while Windows’s built-in security is good, you can further increase your protection with an independent security suite—like Bitdefender, which is on sale in ...

Mark Russinovich couldn’t understand how the rootkit had sneaked onto his system. An expert on the internals of the Windows operating system, he is careful when it comes to computer security and ...

You get what you pay for. That’s what they always say, right? And while that can be true for many things, antivirus software is a little different. There are reputable free antivirus solutions out ...

Other things have changed, too. Today, standalone firewall products are more the exception than the rule. I took a look at five major firewalls on the market today, and almost everything that came my ...

Antivirus has become these days a catch-all term. It doesn’t just mean blocking literal computer viruses, trojans, and other bits of malicious code meant to attack your PC. When you opt to go beyond ...