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 as the president of the San Francisco PC User Group for three years.

Another free and open-source alternative to paid ... working with Windows and Linux. It provides virus detection via signatures, pattern matching, and community-driven development.

Welcome to my guide to the best antivirus software ... You can try Bitdefender Total Security free for 30 days before committing to a subscription. Access to LifeLock identity protection services ...

"This biosensor is the first of its kind," said Chakrabarty, speaking of the technology used to detect airborne virus and bacteria particles. Scientists previously had to use slower detection ...

The report states that 'malware-free' attacks, which are difficult to detect with antivirus products, will account for approximately 79% of system intrusions. 2025 CrowdStrike Global Threat Report ...