Microsoft no longer supports XP users, but a host of antivirus products tested by AV-Test can still defend you from viruses.
Google's hard stance against Chrome extensions for Windows hosted outside the Chrome Web Store angers some businesses and their customers.
Don't click that link! Viral Facebook posts with shocking video of Malaysia Airlines MH370 are a scam.
In this edition of Ask Maggie, CNET's Marguerite Reardon offers advice about whether the risk of malware should factor into a reader's decision about which smartphone OS to buy.
The botnets driving the recent distributed denial of service attacks are powered by millions of infected computers. Their coordinated flood of requests overwhelms the Internet's DNS servers, slowing them down and even knocking the servers offline. The long-term solution for site operators and visitors alike may rely on reluctant ISPs working together.
Today marks the last day of official support for XP. So what does that mean for the aged operating system and its many steadfast users?
Testing security suites isn't glamorous, but effective software can be all that keeps you from an infected machine. Here's how CNET determines security suite performance.
Windows RT is a strange beast. On the one hand, speed, security, and the best of Windows 8 make RT a pleasure to use. But app restrictions make Windows RT confusing, and the limited availability of apps undercuts the operating system's usefulness.
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Georgia Tech security researchers this week noted they managed to successfully slip some malware onto the App Store in May.
A suspicious iframe link has been detected in an App Store program. Here's why you shouldn't worry.