Introduction to Security in Operating System:
Definition and Explanation:
The need for security in computing systems is growing rapidly. This is mainly due to the critical services that are dependent on interconnected computing systems. Computer networks are now a necessity for national infrastructure components such as electric power, telecommunications and transportation systems.
Security and protection are firmly internal problems. In a computer system, the way we provide controlled access to programs and data stored in a computer is by security. Security system requires an adequate protection system. It must also consider- the external environment .in which the system operates. The Internet has increased the public's concern for security immensely. Security is the primary concern for businesses, especially when they are using the Internet for commerce and maintaining both relationships and communication.
Information such as data and code stored in a system needs to be protected from unauthorized access, malicious destruction or alteration, and accidental inconsistency.