"Computer Security" by Time Life Books The book Computer Security written by Time Life Books, explains what computer security is, how it works, and how it affects peoples lives. Without computer security peoples private information can be stolen right off their computer. Computer security is exactly what it sounds like. It is security on a computer to prevent people from accessing a computer. It is very difficult to secure a computer for a computer is like a mechanical human brain and if one has a real human brain they can operate it. In other words if one knows how a computer works they can make it work. If they do not then they cannot do anything at all.