Tagged Questions
12
votes
2answers
96 views
Secure wiping of EEPROM and flash memory
Older magnetic storage exhibited some data remanence, so a recommendation emerged to wipe data by overwriting it multiple times with varying patterns — the “Gutmann wipe”. More recent hard disk ...
19
votes
4answers
5k views
Why is writing zeros (or random data) over a hard drive multiple times better than just doing it once?
Lots of different programs, such as Darik's Boot and Nuke, let you write over a hard drive multiple times under the guise of it being more secure than just doing it once. Why?
18
votes
6answers
3k views
How can I reliably erase all information on a hard drive?
As storage technologies change over time, using different encodings and remappings to deal with sector errors, the best way to permanently erase/wipe/shred data changes also.
Methods for flash drives ...