How are bug developed?

Virus are created by people who wish to trigger damage to others, or who desire to gain control over somebody else's computer.  https://livethisbook.com/?p=1624 The simplest way to create a virus is to take some existing code and modify it slightly. This brand-new code can then be distributed to others, who may unknowingly run it by themselves computer systems. When the virus is running, it can do anything its developer desires it to, consisting of deleting files, stealing data, or sending spam.  Click This Link More sophisticated viruses can be extremely hard to get rid of and identify.