A Security Software Prerequisite Pack is a bundle of software designed to address computer security issues for a particular platform or system. They are often several integrated programs that work together to counter computer viruses, worms, hackers, and other threats to your computer data. The term Security Software Prerequisite Pack might also refer to patches or updates on the security suite that keeps it current and able to counter new threats that might be out here. These packs are developed by ethical hackers or security experts and help keep the computers of the world much safer than most people realize.