Main Page | See live article | Alphabetical index Locksmithing is the science and art of making and defeating locks. A lock is a mechanism that secures buildings, rooms, cabinets, or other storage facilities from theft by burglars. A key is usually used to open a lock. It is often said that "a lock keeps honest people honest." Practitioners are called locksmiths. Locksmithing is one of the earliest forms of security engineering. Lock-picking was one of the first methods of cracking security systems. The issue of full disclosure was first raised in the context of locksmithing. Topics in locksmithing Mortice lock Warded lock Cylinder lock Combination lock Lock-picking Lock-bypassing Pin tumbler lock Tubular pin tumbler lock Disc tumbler lock External links The alt.locksmithing FAQ MIT guide to lock-picking by 'Ted the Tool' This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.