In this book the Black Hat experts show readers the types of attacks that can be done to physical devices such as motion detectors, video monitoring and closed circuit systems, authentication systems, fingerprint and voice print devices, retina scans, and more. The Black Hat Briefings are held every year in Las Vegas, Washington DC, Amsterdam, and Singapore continue to expose the biggest threats to cyber security and provide IT mind leaders with a ground breaking defensive techniques. No book shows professionals how to protect network security and physical security devices. By way of example, a fingerprint scanner that allows fingerprints to remain on the glass of the last person who could be skipped by pressing a "gummy bear" candy against the glass so working on fingerprint scans last used on the device. security consultant and trainer * First book that details methods for attacking and maintain physical security devices * Black Hat, Inc.