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full-disclosure-uk: Re: [Full-disclosure] Disk wiping -- An alte

Re: [Full-disclosure] Disk wiping -- An alternate approach?

From: Michael Holstein <michael.holstein_at_nospam>
Date: Tue Jan 26 2010 - 15:08:34 GMT
To: "E. Prom" <e3prom@gmail.com>

> By the way, does somebody knows about the flash memory?
> Is zeroing a whole usb key enough to make the data unrecoverable?
>

No, wear-leveling (done at the memory controller level) will dynamically re-map addresses on the actual flash chip to ensure a relatively consistent number of write cycles across the entire drive.

The only way to completely "wipe" a flash disk is with a hammer.

Regards,

Michael Holstein
Cleveland State University



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