[Cryptography] Magnetic media destruction question

Jens Kubieziel maillist at kubieziel.de
Fri Jan 9 06:19:43 EST 2026


Am 07.01.26 um 17:36 schrieb Peter Gutmann via cryptography:
> Asking on behalf of a third party: It appears that customers of media
> destruction companies have started asking for shredding beyond the maximum
> levels specified in standards like DIN 66399, which is both difficult and

Small side note:
DIN 66399 was withdrawn. See 
https://www.dinmedia.de/en/standard/din-66399-1/155420083

ISO/IEC 21964 is the "new" norm in town. :-)

Best,



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