Understanding & Bypassing Tamper Evident Devices
For those of you that are or have ever been interested in bypassing tamper evident and tamper proof technologies, we have assembled a few resources to get you started.
Introduction to Tamper Evident Devices by: Datagram
(52 Minute Talk from Defcon 19)
How to hack a metal tamper evident seal.
Roto Seal tampering
Met Grip Seal Bypass Techniques