Some small business security suites, such as Bitdefender Ultimate Small Business Security, have visibly evolved from consumer-oriented suites, adding features that enhance security for businesses.

In 2025, most devices feature built-in antivirus software that scans files you attempt to download, blocking anything it deems suspicious. Antivirus tools also perform automated scans to remove ...

Microsoft Defender isn't bad, but it's not enough to fully protect your PC. 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 ...