security management in an operating system
security management in an operating system Components of Security: All of the latest operating systems have to provide the security mechanism to protect the resources against potential security threats. The major components of security are as follows: User Authentication Prevention Detected Identification Correction Password Vulnerability: Vulnerability means weakness or drawback. Although password protection is easy to implement it has problems too. It does not provide complete security. The major problems are as follows: It can be stored through a guess or secret observation There are two ways to guess a password. An Intruder: It may be a human or a program, which tries to guess the password of a specific user by entering information about the user such as names of his children, wife, departments, friends, his favorite hobbies or fruits, birds, animal,s, etc. Brute Force: Using this way, the password is guessed by trying all combinations of valid password characters,...