Securing trusted personal computer system against unauthorized movement

摘要: A personal computer system is described, having security features enabling control over access to data retained in such a system. The has normally closed enclosure, at least one erasable memory element for selective activation active and inactive states receiving storing privileged password when the state, an option switch operatively connected with setting states, tamper detection detecting opening of processor controlling certain levels stored within by distinguishing between entry non-entry any password. In addition, means are provided monitoring unauthorized movement together rendering enabled or disabled. When detects while power-up prevented until (or power-on password) successfully entered into user.