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Encryption

Encryption is a security process that transforms readable data into an unreadable format to protect it from unauthorized access. Only those with the correct decryption key can convert the data back into its original form.

Encryption is used to secure sensitive information during storage or transmission, such as passwords, credit card details, personal messages, and financial transactions. It plays a critical role in cybersecurity, data privacy, and compliance with regulations like GDPR,

PCI DSS

, and HIPAA, which govern the privacy and security of sensitive data.

There are two main types:

Symmetric encryption uses the same key to encrypt and decrypt data.
Asymmetric encryption uses a public key for encryption and a private key for decryption.

Encryption helps ensure data confidentiality, integrity, and authenticity, making it essential in online banking, e-commerce, email communication, and secure APIs.