Am 03.02.2015 um 08:56 schrieb Al Viro:
While we are at it, "overwrite with zeroes" is too weak if the attacker might get hold of the actual hardware. Google for details - it's far too long story for l-k posting. Look for data recovery and secure data erasure...
You might read http://link.springer.com/chapter/10.1007/978-3-540-89862-7_21 Here is an article in german about that: http://www.heise.de/security/meldung/Sicheres-Loeschen-Einmal-ueberschreiben-genuegt-198816.html In short, it's enough to overwrite it once with zeros, -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
