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[24] It recommends cryptographic erase as a more general mechanism. According to the University of California, San Diego Center for Magnetic Recording Research's (now its Center for Memory and Recording Research) "Tutorial on Disk Drive Data Sanitization" (p. 8): "Secure erase does a single on-track erasure of the data on the disk drive. The U ...
iOS devices and Macintosh computers with an Apple T2 or Apple silicon chip use crypto-shredding when performing the "Erase all content and settings" action by discarding all the keys in 'effaceable storage'. This renders all user data on the device cryptographically inaccessible, in a very short amount of time. [3]
Playback is limited to five computers which were authorized through iTunes; [5] a computer can be deauthorized and another authorized in its place. [6] Before April 2004, the limits were ten playlist burns, and three computers; Apple reduced the playlist limit to seven due to demands from record labels. [7]
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 ...
The Gutmann method is an algorithm for securely erasing the contents of computer hard disk drives, such as files.Devised by Peter Gutmann and Colin Plumb and presented in the paper Secure Deletion of Data from Magnetic and Solid-State Memory in July 1996, it involved writing a series of 35 patterns over the region to be erased.
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Data remanence is the residual representation of digital data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that does not remove data previously written to the media, or through physical properties of the storage media that allow previously ...