Security refers to protective digital privacy measures that are applied to prevent unauthorized access to computers, databases and websites. Data Security also protects data from corruption and it the main priority for organizations of every size and genre. In computer Security refers to techniques for ensuring that data stored in a computer cannot be read or compromised by any individuals without authorization. Most computer Security measures involve data encryption and passwords. Data encryption is the translation of data into a form that is unintelligible without a deciphering mechanism. A password is a secret word or phrase that gives a user access to a particular program or system.