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In Excel and Word 95 and prior editions a weak protection algorithm is used that converts a password to a 16-bit verifier and a 16-byte XOR obfuscation array [1] key. [4] Hacking software is now readily available to find a 16-byte key and decrypt the password-protected document. [5] Office 97, 2000, XP and 2003 use RC4 with 40 bits. [4]
The purpose of metadata removal tools is to minimize the risk of such data leakage. [4] The metadata removal tools that exist today can be divided into four groups: Integral metadata removal tools, which are included in some applications, like the Document Inspector in Microsoft Office. Batch metadata removal tools, which can process multiple ...
In other cases, such as the NSA report on the USS Liberty incident (right), the report may be sanitized to remove all sensitive data, so that the report may be released to the general public. As is seen in the USS Liberty report, paper documents are usually sanitized by covering the classified and sensitive portions before photocopying the ...
Microsoft provides the ability to remove metadata from Office documents. This was in response to highly publicized incidents where sensitive data about a document was leaked via its metadata. [54] Metadata removal was first available in 2004, when Microsoft released a tool called Remove Hidden Data Add-in for Office 2003/XP for this purpose. [55]
Data sanitization involves the secure and permanent erasure of sensitive data from datasets and media to guarantee that no residual data can be recovered even through extensive forensic analysis. [1] Data sanitization has a wide range of applications but is mainly used for clearing out end-of-life electronic devices or for the sharing and use ...
Kingsbury, who held a TOP SECRET/SCI security clearance and was an intelligence analyst for the FBI for more than 12 years, was accused of repeatedly removing sensitive government materials from a ...
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