Security Windows Security Software Security software includes crypto lockers, antivirus, malware, rootkits, startup detection and spyware that could compromise the safety of your computer data, banking info and passwords. Malware Bytes Antimalware Microsoft Security Essentials antivirus and spyware detection for Windows 7 SpywareBlaster Super Antispyware Free and Pro Editions WinPatrol to choose which software starts with Windows and to prevent apps from changing your software