What is Per-File Encryption?
  • 09 Jan 2023
  • 1 Minute to read
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What is Per-File Encryption?

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Article Summary

Per-file encryption, also known as file-level encryption or file/folder encryption, is a security measure that involves encoding individual files or folders using encryption algorithms to prevent unauthorized access to the data. Per-file encryption is used to protect sensitive data stored in specific files or folders, such as documents, images, and audio files, against unauthorized access, even if the device on which the files are stored is lost or stolen.

Per-file encryption is typically implemented in software, using encryption software that is installed on the device. The encryption process involves the use of an encryption key, which is a string of characters that is used to encode and decode the data. There are several different types of file encryption algorithms that can be used, including symmetric key algorithms and public key algorithms.

Per-file encryption is often used in conjunction with other security measures, such as strong passwords and access controls, to provide an additional layer of protection against unauthorized access. It is often used as an alternative to full disk encryption, which encrypts the entire disk or partition, including the operating system, applications, and user data.


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