10.4 Data Encryption

The process of encoding or translating data into another form so that only the intended recipient can read the data.

• Data Encryption

• Caesar Cipher

• Data at Rest

• Security Certificate

An early example of encryption used to send confidential military messages.

• Caesar Cipher

• Scytale

• Morse Code

• Blockchain

Data in a persistent storage medium, such as a hard drive or optical disc.

• Data in Transit

• Data at Rest

• Data in Speed

• Data in Computing

Data that are being transported from one device to another, whether by radio, electrical, or light signals.

• Data in Rest

• Data in RF

• Data in Transit

• Data Speed

A form of encryption that uses only one key to encrypt and decrypt a file. This is a less secure form of encryption.

• ECC

• Asymmetric Encryption

• Circular Encryption

• Symmetric Encryption

A form of encryption in which both parties involved have a public key and a private key.

• Asymmetric Encryption

• Symmetric Encryption

• Shared Key

• Lock Box

A way for two computers to verify their identity before they exchange information.

• Security Certificate

• HTTPS

• TCP/IP

• Anti-Malware Software