05 Sep What Is Encryption in Computer Security?
Data encryption is a powerful security measure that converts sensitive information into unreadable gibberish, so only the intended receiver can decode it. It is a vital aspect of digital transformation since it ensures the security of the data stored on computer systems or networks such as the Internet. It is a reliable and secure method of authentication to ensure that the data is not altered or tampered during storage or transmission.
Encrypting data is the process of changing original information into a format that can only be read by the recipient using a key or password. In most instances, the recipient is able to translate the ciphertext into its original format. Modern encryption techniques utilize algorithms that scramble the original data into the ciphertext. There are a variety of algorithms and methods employed to accomplish this such as transposition and substitution techniques. The Caesar cipher is an early example of a substitute cipher. Each letter is replaced by another one at a fixed number positions down the alphabet.
It is commonly required to ensure compliance with regulations established by various organizations or standards bodies, including the Fair Credit Reporting Act and other consumer protection laws. It is a crucial security measure to safeguard sensitive information regarding a company, client or a patient from cyberattacks. Retailers must, for example ensure the security of credit card information as well as shipping details when they transfer these data across networks or between systems. The process of encryption can safeguard data stored on computers, USB devices and other hardware from physical or virtual theft by hackers.
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