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posted by cmn32480 on Saturday May 02 2015, @07:38AM   Printer-friendly
from the bolt-cutters-take-one-try dept.

Ars technica has an article about a system for cracking Master-brand combination locks and a calculator to speed up the process:

There's a vulnerability in Master Lock branded padlocks that allows anyone to learn the combination in eight or fewer tries, a process that requires less than two minutes and a minimal amount of skill to carry out.

The technique was devised by Samy Kamkar, a serial hacker who has created everything from stealthy keystroke-pilfering USB chargers to DIY stalker apps that mined Google Streetview. In 2005, he unleashed the Samy worm, a cross-site scripting exploit that knocked MySpace out of commission when it added more than one million MySpace friends to Kamkar's account.

Samy's website (js required) lists some of his exploits and looks like a graphical desktop. The calculator is also freely available .

 
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  • (Score: 0) by Anonymous Coward on Saturday May 02 2015, @05:26PM

    by Anonymous Coward on Saturday May 02 2015, @05:26PM (#177903)

    The modulo 4 hack has been known for years. Sorry.