On 2010/11/02 18:58, Brad Knowles wrote:
> Combination locks can be amazingly easy and quick to brute-force, even if 
> they are Military-grade.

Especially if you know something like "one button, then two buttons, then one 
button", and each button can be pushed only once, as is true with these door 
locks but not necessarily the poster's 5-position-by-10-value laptop lock.

In my case, it was a 5-button lock with the buttons in a circle, but same 
principle.  Another fellow and I divided the (remaining) code space in half and 
each took one door.  We also knew that the combinations were the same on the 
two 
doors.  We were through in under 30 seconds.  This was merely a data center in 
a 
Fortune 100 company, not the Pentagon.
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