The Journal of Physical Security 5(1), 1-11 (2011), http://jps.anl.gov/issues.html (broken link)

Download Paper 1: - Trivial Defeat of a Balanced Magnetic Switch, John T. Jackson, Jr.

Balanced Magnetic Switch vulnerabilities render it defeatable by trivial means. A detailed description of the most common BMS and procedures germane to its defeat including a method of how to design defeat tools and apparatus for analysis of any common BMS based upon glass reed technology are provided.