Antivirus

Bitdefender's Windows antivirus software offers excellent protection along with a slew of features meant to secure your family's systems and identities.

Norton 360 Standard, Norton 360 Deluxe and Norton 360 with LifeLock include the most complete antivirus-software and identity-protection-service combinations you'll find today.

Kaspersky Security Cloud Free combines excellent malware protection, plenty of extra features and a very light system-performance impact.

Kaspersky's Windows antivirus lineup offers close to complete coverage without slowing down your computer much, although the least expensive program doesn't offer many extra features.

Bitdefender Antivirus Free Edition runs on autopilot and offers no extras or customization options, but it's ideal for anyone who doesn't want to fuss with antivirus software.

Bitdefender Mobile Security is the best overall choice for paid antivirus apps.

McAfee Mobile Security offers a lot of free features, but its malware protection is only average and its paid plan is pricey.

Avast offers excellent antivirus protection and minimal performance impact making it a perfect solution for those just looking for basic malware protection.

Bitdefender Antivirus for Mac delivers excellent malware performance and a solid array of features at an affordable price.

Norton 360 Standard offers flawless malware protection, extensive features and support for macOS, Windows and mobile platforms.

Trend Micro Antivirus for Mac offers flawless malware protection but does little to stand out from the crowd.

Kaspersky Internet Security for Mac delivers excellent malware protection, but the weak extra features hold it back.

Intego Mac Internet Security X9 shines brightly in a couple of areas, but it ultimately doesn't compare to the best Mac antivirus apps.

ESET's security software is fast, accurate and thorough. It lacks some extra features we take for granted but has a very light impact on your system performance.

Trend Micro offers solid malware protection, but you'll see a slowdown during scans

Sophos Home Premium provides decent protection against malware for a fair price but lacks many commonplace antivirus features.

McAfee's antivirus lineup provides decent malware protection, but some other brands do it better.

Avast Free Antivirus offers a ton of features for a free antivirus program but has mediocre malware protection and a heavy system load.

McAfee AntiVirus Plus' generous multi-license pricing makes this product an alluring option for families.

AVG AntiVirus Free is beaten in features by its more glamorous sibling Avast Free Antivirus and beaten in malware protection by everything else.

Windows Defender isn't the absolute best antivirus software, but it's easily good enough to be your main malware defense.

Norton Mobile Security, has the best malware detection of all the apps we tested.

Avast Mobile Security offers a lot of features, but performs inconsistently, and its free version is full of ads.

Malwarebytes Free doesn't replace antivirus software, but it works alongside it to keep your system clean.

Google Play Protect may be built into Android and may be totally free, but it can't adequately protect your device.

Kaspersky Mobile Security works well, but its feature set lags behind the times.

Lookout Security & Antivirus is a decent antivirus app, but its real strength lies in identity protection.

Qihoo 360 Security promises an extensive feature set, but many of the features don't work, and the free version is drowning in ads.

Sophos Home Premium includes tons of features, but its Mac malware protections are untested.

Malwarebytes for Mac Premium is Unproven and lacking in special features. Use the free version instead alongside better Mac antivirus software.