Chapter 1


Chapter Outline

A topic that has generated great interest and discussion among lock pickers and penetration testers in recent years is the tactic of impressioning. Of course, like many exciting trends that capture the attention of the security industry, impressioning is not brand new. As is the case with most lock-opening methods, this has been a skill in the arsenal of locksmiths and covert operatives for some time… however, precious little has been written or reported about it publicly. Only in recent years has ...

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