The process of encrypting plain text and other data such that it may only be viewed by the one authorized party with a decryption key is known as encryption. Your critical information will be shielded from cybercriminals' access. It is the best method for current communication systems to achieve data Cyber security. The recipient must possess a password or security key that is required to decrypt the communication in order to read it. Data that has not been encrypted is referred to as plain text, and data that has been encrypted is referred to as a cipher text. Asymmetric encryption, often known as public-key encryption, symmetric encryption, and hybrid encryption are the three most popular types of encryption systems.