A method, system and computer readable medium containing programming
instructions for detecting a tamper event in a computer system having an
embedded security system (ESS), a trusted operating system, and a
plurality of devices is disclosed. The method, system and computer
readable medium of the present invention provide for receiving a tamper
signal in the ESS, and locking the tamper signal in the ESS. According to
the method, system and computer readable medium of the present invention,
the trusted operating system is capable of detecting the tamper signal in
the ESS.