In some file formats, unused portions of memory are saved that may still contain fragments of previous versions of the text. Word processing formats may save a revision history of the edited text that still contains the redacted text. Secure redacting is more complicated with computer files. The UK National Archives published a document, Redaction Toolkit, Guidelines for the Editing of Exempt Information from Documents Prior to Release, "to provide guidance on the editing of exempt material from information held by public bodies." Where computer-generated proportional fonts were used, even more information can leak out of the redacted section in the form of the exact position of nearby visible characters. The exact length of the removed text also remains recognizable, which may help in guessing plausible wordings for shorter redacted sections. For example, if the black pen or tape is not wide enough, careful examination of the resulting photocopy may still reveal partial information about the text, such as the difference between short and tall letters. This is a simple process with only minor security risks. Alternatively opaque "cover up tape" or "redaction tape", opaque, removable adhesive tape in various widths, may be applied before photocopying. Redacting confidential material from a paper document before its public release involves overwriting portions of text with a wide black pen, followed by photocopying the result-the obscured text may be recoverable from the original. A heavily redacted page from a 2004 lawsuit filed by the ACLU - American Civil Liberties Union v. Secure document redaction techniques A 1953 US government document that has been redacted prior to release. In the context of government documents, redaction (also called sanitization) generally refers more specifically to the process of removing sensitive or classified information from a document prior to its publication, during declassification. Originally, the term sanitization was applied to printed documents it has since been extended to apply to computer files and the problem of data remanence. When the intent is privacy protection, it is often called data anonymization. When the intent is secrecy protection, such as in dealing with classified information, redaction attempts to reduce the document's classification level, possibly yielding an unclassified document. Typically, the result is a document that is suitable for publication or for dissemination to others rather than the intended audience of the original document. It is intended to allow the selective disclosure of information. Redaction or sanitization is the process of removing sensitive information from a document so that it may be distributed to a broader audience. You can access all files (redacted, unredacted, raw, etc.For other uses, see Redaction (disambiguation). Redacted chat files are stored in your chat Amazon S3 bucket, for example: Redacted voice files are stored in your Voice Amazon S3 bucket, for example: Health Insurance Portability and Accountability Act of 1996 (HIPAA), so we recommend you continue to treat it as protected health information after redaction.įor a list of the languages supported by Contact Lens redaction, see Languages supported by Amazon Connect. The redaction feature does not meet the requirements for de-identification under medical privacy laws like the U.S. We recommend you review any redacted output to ensure it meets your needs. However, due to the predictive nature of machine learning, it may not identify and remove all instances of sensitive data inĪ transcript generated by Contact Lens. The redaction feature is designed to identify and remove sensitive data.
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