Member Discussion
Is The Lock Wire Vulnerability On Door Call Boxes Paranoia?
I wanted to know what the overall opinion on door boxes (Such as the Axis A8105-E or Cyberdata Voip call box) with a built in relay used to tie into access control is. There are many brands of door boxes that have the contact closure built in so that the door box can be connected to access control, however, if the door box were to be removed, wires are then exposed that could potentially...
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** ********* *** **, they **** * "******** relay" ** ******* ******* from **** ****** *** unit *** *** **** and ******** *** *****.
** **** ********* ******* intercom **** ****'* **** a ****** ***** ******. We ***** *** ******** tamper ****** ** ** input ** *** ****** panel **** **** ******* the **** ******* ******** when *********.
*******. ***** *** * variety ** **** **** to ******** ****. *** doing ** ** * clear **** ** ****** ineptitude ** ************* ********.
** *** *** * latching ***** ** **** sort ** * ******* to ******* *** ******? If *** ****'* ** prevent ******* **** ********** the ****** ****** ***** activating *** *****? ** they're ************* ****** ** know ***** *** *************, surely **** ***** **** to **** *** * tamper.
** *** ****'* ** prevent ******* **** ********** the ****** ****** ***** activating *** *****?
********** * ****** **** the *** ** *** the **** ** ***** too **** ** ******* a ******. ** ********* tamper ****** ******** ** soon ** (** ******* after) *** ****** ******* begins.
*** ** *******, ******** the **** ** *** relay ** ****** ** a **** ** ***** from * ******* (** which *******/********* **** ****) is **** ********* ** do ******* ****** **. Several ** ***** ****** relays *** ****** ** RD-485 ******* *** *** do *** **** *** raw *********** ** ****.
***** ******** ** * relay ** ********** *** given ** *** ****, and *** ******** ****** drives ** ***********/**** ******** with **** ******* *** the **** ** * strike.
** **** ********* ********** doing **** *****/***** ** this ***** **** ****** to **** ********** *** practical ******.
**'* * **** **** and ****** **** ****. I **** **** ** many ******** **** *** trigger *** ** *** intercom ********* ** *** access ****** ******* *** security. **** **** ** open *** **** **** setup **** ***.
** **** * **** risk ** **** ********?
** ******** ************ *** easy *** ************* ** to ******* ** ******** ************:
** *** ***** *****, we **** *** **** these ***** *** ******* from *** ******, ** external ******* *** ** connected ** ***** *** strike **** *********:
*** **** ******** ******** by *** ****** ** vulnerable ** **** ******* wire ****, ********** ** whether *** **** ** normally **** (**) ** normally ****** (**) *********.
** ** ******** ** be ******* ***** * risk **** ***** ** sophistication, ***** *********, *** can ** **** **** handtools?
* ***** * ****:
* **** ** ***** it *** ********, *** it's ***.
**** ** *** **** month * *** ** intercom ********* *** * building ** ******* **** looting ****** **** *** rooftop. ** ** *** an ******* ******* **** would ****** *** ****, we'd ** ******* ***** tens ** ********* ** further ****** ** ****.
*** ******* ***'* **** with ********* *** **** with *** -**-*** **** reader/controllers. ***** *** ****** school ********* ** *** area **** **** ****** readers ** **** ******* the ******** *****. *** you **** ** * screwdriver *** * *** battery **** *** *** in *** *****.
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********** ** "**** ********"....***** it's ********* *** ********* happens.
*** *****-** ***** ** an ********** **** ****** vector, *** **'* **** (as *** *******) ********** easy ** ******* *******. To **, *** ********** against ** **** ***** are ***** *** **** methods *** ***** ** just *****'* **** *** sense.