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DLP is a solution comprised of various technologies and is designed to identify and classify content in data, which can exist in many different forms, such as emails, files, packets, applications, and data stores. The data can be detected, regardless of whether it is at rest, in use, or in transit. DLP can also provide operations such as logging, marking, encryption, permission control, and blocking for the detection and use of sensitive information based on specified policies.
Data loss and data leakage are related, so data loss prevention is also described as data leakage prevention. For example, if an unauthorized person obtains and opens a lost storage medium that contains sensitive information, the data loss event is converted into a data leakage event. It is also possible that sensitive information is leaked even if the source data is not lost. For example, a document containing sensitive information is sent by email.
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