Abstract: A portable security system includes a portable wireless link and a portable motion sensor, which is adapted to receive control signals from the portable wireless link, and which is adapted to communicate a signal when a security breach occurs. A method of providing security is also described.

Abstract: The present invention provides an apparatus and method for detecting if a person has attempted to tamper with an integrated circuit (IC). The apparatus is located on the IC and comprises detection circuitry that detects a build up of electrical charge on the IC and disablement circuitry that disables the IC when the detection circuitry detects a build up of electrical charge on the IC. The method comprises detecting if a build up of electrical charge on the IC has occurred and disabling the IC when a build up of electrical charge on the IC has been detected.

Abstract: A security system for protecting home appliances includes an alarm system with a wireless link to the protected appliances. The appliances include circuitry that disables the appliance in response to a signal from the alarm system. The appliance or alarm system can also include circuitry that enables the appliance in response to a predetermined code applied to the appliance or in response to the alarm system.