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 ...

Computer viruses designed to harm or gain access to your computer are more common than ever. Each type has an end goal in mind: to make money, whether through selling your personal data or demanding ...

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 ...

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 ...

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 ...

The more we live our lives digitally, the more important it is to keep our computers and other devices safe from data loss, fraud, and spying. Although most people today use phones more than computers ...

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 ...

Small but growing companies and disorganized larger companies fall into the same trap with desktop security products. One day, someone notices that each computer has a different anti-virus package, a ...