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In older times, thick permanent marker pens were used to blot out the information, which is completely pointless nowadays with digital documents.
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In fact, redaction is something that all individuals or entities from any field or industry should know about. For example, someone might need to share an agreement with a friend just for them to use it as a template while removing compromised data. Sometimes it can just be informal situations where someone has to share certain information contained in a document without revealing the sensitive data it contains.
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Files on most mobile devices or cameras include the date, time, and maybe even username details related to the photo in the metadata.ĭepending on the type of business or administrative procedure, redaction might also be required by the institution, state, international legislation, etc. For example, email metadata discloses the time and date the email was sent, the sender’s IP address, etc.