Defender and security help detect malware, protect your PC from spyware, ransomware, and more. If the standard set of functions is not enough for the computer owner, find out which antivirus program is the best, install additional protection that can ensure the safety of devices. The built-in software can function autonomously in the background, regularly scan the hardware for viruses, detect and remove suspicious files. Also, the owner can independently conduct inspections on their own.