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 ...

Despite what you may have heard, your Apple computer isn't immune to malware. We've tested the top programs to identify the ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...

Cassie is a deputy editor, collaborating with teams around the world while living in the beautiful hills of Kentucky. She is passionate about economic development and is on the board of two non-profit ...

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of infection, ...

What Is a Computer Virus? A computer virus is a program. Like other programs, it’s defined by what it does, and the big thing a virus does is replicate itself. The virus exists as a collection of ...

Computer virus, according to Lexico, is “a piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.” What does that ...

Marshall Gunnell is a Tokyo-based tech journalist and editor with over a decade of experience covering IT, cybersecurity and data storage. Alongside CNET, his work has appeared in ZDNET, Business ...

Back in 2023, we asked anti-virus expert Andreas Marx of AV-Test how so many infections escape antivirus software, even though it actually protects well. His answer: “Many programs successfully fend ...