ShredIt has been protecting Macintosh computers since the early 1990s and was first created for Mac OS 7. SInce then there has been a version for Mac OS 8, 9, and X as well as versions for Windows 95 through Windows 7. ShredIt is trusted proven software.
Need more information on why you need ShredIt? Read the FAQ at: www.burningthumb.com/shredit.html
And now ShredIt is available for the iPhone and iPod Touch.
You can use ShredIt to securely overwrite the free space on your mobile device to ensure the items you have deleted are securely removed and cannot be recovered.
ShredIt implements Government Standards including US Department of Defense (DoD 5220) and US Department of Energy (DoE M 205.1-2, ATTACHMENT 4, Overwriting]).
ShredIt implements defacto standards including Gutmann and Mireth.