The best antivirus software 2021: Free antivirus and paid options tested By Paul Wagenseil Here's the best paid and free antivirus software available, based on each program's malware detection, impact on system performance and extra features.
The best Mac antivirus software in 2021 By Paul Wagenseil Bitdefender makes the best Mac antivirus software, but Kaspersky and Norton aren't far behind.
The best Android antivirus apps in 2021 By Paul Wagenseil Bitdefender Mobile Security is the best Android antivirus app, but Norton Mobile Security is a close second.
