Microsoft Defender isn't bad, but it's not enough to fully protect your PC. You don't have to pay extra, though—just use one of the top free antivirus apps we've tested.

We may receive a commission on purchases made from links. Today more than ever, it is of the utmost importance that you have one or more security apps protecting your computer's sensitive inner ...

7 apps I use to lock down, encrypt, and store my private files - and most are free ...

Cost: Free to download; monthly subscriptions range from no charge to $4 Good passwords are hard to come up with on your own.

Mobile apps hide most risk behind login screens. AI-driven testing now pierces that blind spot, exposing real threats before attackers do.