Mantraps Examined

Author: Brian Rhodes, Published on Jul 16, 2013

One of the oldest techniques in access control is still used today. Mantraps date back to medieval times for mandating access is only granted to specific people, with the added benefit of 'trapping' an imposter. Modern uses of mantraps vary and have expanded over the years, but the concept is still applied in a number of surprising facilities in a myriad of ways. In this note, we look at mantraps, how they are installed, and where they are used.

Overview

*** **** ***** ******** * ****** ******* * ******* ** use: 

****** *** *** ********** ** *** ** *****:

  • *** ******* **** ****** ***** ******* *** ****, ***** *** inside ****** ***** * **********
  • *** ****** **** *******, *** *** ******* **** *****, ********** anyone **** ******** *** '********' ****. 
  • *** ******* **** ******* ****** ***** *** ****** **** ****** and *******.

*** '***********' ****** ** *** ******* ****** **** *** **** to ** ******** *** **** ** * ****. ***** **** restricting ******, *** ******* ** *** ********* *** ****** *** environment ****** *** **** ** ** ********** (***********, ********, ****) before *********** ** ** *** ****** ****, ** **** ***********. When **** **** ***, "********" *** ***** ****** "********", *** even ** ******** ** *** *** ******* ****, *** ******* sequencing ** ***** ** *** ****.

Three *******

*********, ******** *** *********** ** ********** ***** ** ** ***** primary ****:

*** *****

****** ********** ***** *** ********** ************ ******* ****/****** ***** ** ****** ******. **** **********-***** *** ******* (********* **************, ******** *****, ***) ***** '*******' ************** ** **** ** their ******* **** ** ********** **** ****** ********** *** ***** to *** ******.

********* ***********

*** ************ ******* *** ** *** ********* *** ********** ******* configuration, *** ***** ********** ***** *** **** ** ********* ******** on ****** *****. *** ***** ***** ***** *** ******* '******' controller **** ** ********* ** ********* ***** ** *** **** way **** ******** *** ** *********:

******** ********

** ***** *****, '******** ** * ***' (** '******* ******') *** *****, ********** ***** ******** *** desired, *** ********** *** ***** ** *** ********. ** **** cases, ***** '****' **** **** ********* ***********, *** *** ** configured ** **** **** ******** *** ******* ** *******. ***** ******** feature * ****** ***** ** *** ****** ** ********* ** * 'passthru' ****; *******, *** ****** ** * ****. ** ***** ** accomplish ****, * ********** ***** **** ** *********** ********** ** several *****, ******, *** *** **** ********. ***** **** ****** be ******** ************, * "***" ****** *** ** ******* ************* sliding ********** ** **** ***** ** *** ****. *** ****** below **** ** ******* '***', *********** ****** ** ******** ******* or ******** ** ** ******** ****:

*** ********* ***** ***** *** **** *** ***** ****, ***** entering ******* *** ****** ****, ******* *** ** ** *****, validating ****** *** **** ******* *** **** ******** ****.

****

** * **** *****, *** '*** *****' ****** ** ********* the ***** ********* ****** ** *** ** ******* ***** ****. 

********* *********** **** * ***, ***** **** ***** *** ** not ******* ** ***, *** * ********** ******* ** ***** required. *** *******, * ********* ********** ***** ~$***, ****** **** installing ** *** ****** *** ********** **** **** ******** ******** functionality.

******** ******** **** * **** ****, ********* ******* ~$**** - $10000, *** **** ***** *** ** **** *********, **** **********, and ******* ********** **** * '***** *****' *******.

Common ****

***** **** '********** *******' **** * *****, ******** *** **** employed ** ******* ************* ** *****-***** ************* ** ******* ************, and ** ********-********* ****** ******** **** '**********'. **** ***** *** **** ******* ******* **** *******, ** that * ******* ** ******** *** ** ******** **** * police ******* ******* ****** *********** ** ******. 

** **** *****, * ********* ********** *** ******** ** * jail/prison **** **** * ******-**** ******** ****. ** ***** ***** the ******** **** ** **, *** **** **** ** ******, preventing ******* **** ******** **** *** ******* *******. ********, **** the ******** **** ** ****, *** ****** **** ** ********, allowing * ******* *** ***** *** *******/******* ****, *** ****** to ****** ** *** ******* *******. 

Safety *****

*** ******** ***** **** ***** ** *** ** ******** ****** largely ** ************ **** **************** *** ********. *** *******, * ***** *********** ** **** is ********** *********** **** ** ****** ********, *** ** ****** from **** ** *** '****/******' *********** ********. ******** ** *** which ***** ***** ***** ******** * ***** ************** ** *** building ****.

*** **** **********/*********/********** ***************, **** ****** ******* *** '****** ****', which ***** **** **** ****** **** ****** ** **********. ** this ****, ******** *** ** **** ** **** ****** *** of ** ****, *** **** ****** ** **** ** **** people ****** ***. ** *** ********** ***** *** *** **** to ******* **** ********* ******, **** ***** ******* ****** ****** paths **** ** ** ******* ****** *** ****.

** **** *****, ******** *** ******** ******** *** **** ***** interfaces *** ********, ** **** ** ** ********* ** *** can *********** ** ******* ****** * "********" ****. 

Comments (5)

*****, *** ******** ****** *** ********* ****** *** * ****** hole ** ***. ** *** ****** ******** ******* **** ********? That ***** **** **** **** **** ***********..

***!

* ***** **** *** ***** *** *** ******** *** **** doors. **** *** ** *** *** ****. *** **** **** is ************ **** *** *******. *** ******** ** ************ **** the ******.

**** *** ****** ** ******* ****** *** "*** ****" ** a ****, *** ****. *** ***** **** **** ** ****** and ****** ****** *** **** **** *******.

** *** **** ***** ****** **, *** ******* **** ** over **** ** **** *** ******** ****** *** "*** ****". If *** **** ** *** *** *** ****, *** *** be ******* ** *** ******* ****** *** **** **** "*** trap".

*** ***** *** ***** ** **** ****** *** *** ********* glass, ** *** ***'* ** **** ** ***** **** *** out. *** ***'* **** * ******* ******* ** ***'* **** the ***** **** ** *** ****** *****.

*** **** ** * ****** *** * **** ** *** hood.

******* **** **** **** ** ********* **** * ******* ********!

**'* ***** ******* **** ***** (** ** *****) *** ** do ** **** ** ******** ** **** ****** ******** *** inviting. ****'* *** ** **** **** * *******.

** *** * **** **** ****** **** ***** ** *** mantrap *** ****** * ***** ******* ** *** ****** ** activate *** ******* ** *** ***** ****. ***** ***** *** mag ***** ** **** **** ** ***** *** *** ****** control ****** ************* *** ********** *** ****. ***** *** ** emerg ******* ** *** **** ** ******* **** ***** **** but ******** *** *** ****** ** *** ** ** **** sat ***** *** ***** ******* *** ** ** ***** *** panel. ** ******* **** ** *** ***** ** ** **** them ** **** *** *******.

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