Encryption is the activity of manipulating data in such a way that it would be unreadable to anyone but those with special knowledge "(commonly referred to as key)," that allows them to change the data back to its original, recognizable form. Encryption is important, because it causes one to protect data that no one else wishes to access. Companies use it to safeguard business records, policymakers use it to retain classified details and many individuals use it to defend personal information against problems such as data theft. Espionage utilizes cryptography to safely protect the content of files which might include addresses, chat accounts, tax records, credit card details, or some other confidential information. Data Encryption Protocol (DES) is called a low-level encryption protocol, particularly though one's device is compromised. The United States government introduced the norm in 1977. Owing to technical advancements and reductions in hardware prices, DES is effectively redundant for the security of” sensitive data. Triple DES runs three variants of its encryption. Here's how it works: it encrypts, decrypts, and encrypts data-"triple" as a consequence. This improves the initial DES model, which was deemed to be too poor for sensitive data encryption.RSA takes its name from the three computer scientists' familial initials. Uses a effective and common encryption algorithm. Because of its key duration RSA is common and is therefore commonly used for safe data transmission.”The U.S. government standard as of 2002 is the Advanced Encryption Standard” (AES). AES is utilized globally. AES treats the whole data block as a single vector, which operates under the theory of replacement which permutation. The Plaintext can be 128,192 or 256 bits and has a greater key size relative to DES.AES, which implies that it has a big hidden key.