PGP - Pretty Good Privacy

Pretty Good Privacy (PGP) is a data encryption and decryption program that provides cryptographic privacy and authentication for secure communication. It is commonly used for securing email communications, file storage, and other forms of data transfer. PGP uses a combination of symmetric-key cryptography and public-key cryptography to achieve confidentiality and integrity.

The Security+ exam may cover topics related to encryption, secure communication, and cryptographic protocols. Understanding the principles of PGP, its use of hybrid cryptography, and the web of trust model can be relevant for exam preparation.