Data Encryption is the process of converting readable information, known as plaintext, into an encoded form called ciphertext using a cryptographic algorithm and a key. The encrypted data cannot be meaningfully understood without the appropriate key or decryption process, helping protect information while it is stored or transmitted.
Encryption is commonly applied to sensitive data such as passwords, financial records, personal information, and business communications. Depending on the use case, it can protect data at rest on devices and databases or data in transit across networks. Encryption is a fundamental component of cybersecurity, working alongside technologies such as authentication and access control.
