Computer Tips

What is Physical barriers? What is Physical Barriers: Barriers are used in physical security to define boundaries, delay or prevent access, restrict movement to a particular area, obscure visual observation…

Vulnerability of password Vulnerability of password:-To understand the nature of the threat to password based systems, let us consider a scheme that is widely used on UNIX, in which passwords…

Password selection strategies Password selection strategies:The goal is to eliminate guessable passwords while allowing the user to select a password that is memorable. Four basic techniques are in use. User…

What is keystrokes? Keystroke Bio metric Systems examine the unique characteristics of user’s keystrokes and use that information to determine whether the user should be allowed access. Computer systems are…