Intrusion detection is moving up a couple of notches with a technology that overcomes one of the main vulnerabilities of conventional security systems. Oak Ridge National Laboratory's Quantum Optical Seal, ideal for securing nuclear, military and chemical facilities, monitors an optical network for tampering using entangled pulses of light that are exclusively described by their quantum mechanical properties. "This offers the quantum optical seal a unique ability to identify sophisticated attempts at deception, including those attacks that would go unnoticed by more conventional techniques," said Travis Humble, who led the team of inventors. The patented technology is inherently immune to replication, a standard technique used to defeat less sophisticated intrusion detection systems.
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