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= High Security Locks =

'''High security locks''' are [[lock]] that provide increased resistance to compromise. While many vendors market their locks as high security, only those that are given an approriate [[security rating]] are considered high security. Most high security locks exhibit certain characteristics that improve their ability to withstand manipulation and [[Destructive_Entry|forced entry]] for a given amount of time.

== High Security Characteristics ==

Most high-security locks have many of the following included in their design to increase security. Many of these characterstics are pre-requisites for various security ratings and certifications.

; Restrictive Keyways
: The use of complex and paracentric keyways frustrate attacks by manipulation by making it harder to insert and manuever tools within the lock.

; Key Control
: The ability to control the creation, distribution, and cutting of keys for a given lock can greatly increase the security of the keying system for a given lock. Most high security locks have key bows and warding patterns that are patent protected to prevent unauthorized manufacturing. Keys to high security locks also generally require a specialized key cutting machine to produce high-quality working keys for the lock.

; [[Differs|Key Differs]]
: High security locks traditionally offer a very high number of real and theoretical key differs to prevent cross keying and allow for complex [[Master_Key|master keying]] configurations.

; Manipulation Resistance
: Almost all high-security locks have components designed to resist manipulation from [[lockpicking]] and [[Decoding|decoding]] attacks. [[Security_Pin|Security pins]] are the most popular example of anti-manipulation components in pin-tumbler locks. Some locks also have components designed to resist [[impressioning]] and [[Bumping|key bumping]].

; [[Forced Entry|Destructive/Forced Entry]] Resistance
: All high-security locks use strong materials and designs that make them resistance to destructive entry techniques. Steel rods, ball bearings, and hardened materials are common components .

; High Manufacturing Tolerances
: Increased concern over the tolerance of components to provide a manipulation-resistant and functional lock accompanies most high-security locks. Increased tolerances also help to increase the number of available component sizes or depths and promote longevity of the lock.

== High security lock listing ==

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== See also ==

* [[Lock]]
* [[Key]]
* [[Lockpicking]]

[[Category:Locks]]

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