What is Computer Security

Computer Security refers to the protection of a particular computer system from theft  of there data , damage to their data or hardware , introduction of virus or worms , as well as misusing the information in it .

Computer Security is also known as Cyber or IT Security .
Cyber security includes controlling physical access to the hardware, as well as protecting against harm that may come via network access, data and code injection. Also, due to malpractice by operators, whether intentional, accident, IT security is susceptible to being tricked into deviating from secure procedures through various methods.

This field is growing very much importance because in today's world everything is done using technology i.e computers , laptops, mobile phones , etc .