Ang Killdisk
- One pass zeros: 1 pass, quick, low security- One pass random: 1 pass, quick, low security
- US DoD 5220.22-M: 3 passes, slow, high security
- German VSITR: 7 passes, slow, high security
- Russian GOST p50739-95: 5 passes, slow, high security
- Gutmann: 35 passes, very slow, highest security
- User Defined: You can specify number of passes (random)
Dataen burde i princippet være fuldstændig væk efter et pass ik?