full-disclosure - Re: Security system

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Message-ID: <4BB23687.4020309@deathbycomputers.co.uk>
Date: Tue, 30 Mar 2010 18:36:07 +0100
From: Tom Grace <tom@...thbycomputers.co.uk>
To: Full-Disclosure@...ts.grok.org.uk
Subject: Re: Security system

If you were gonna go with a cell backup, you might find a 3G stick 
easier. You can send SMS with these, or just access the net. The Huawai 
ones work really well with recent Linux, not as sure about the others.

Tom

T Biehn wrote:
 > Nah, I'm saying a GSM jammer would block your prepaid cell signal.
 >
 > So if your adversary were to cut the power, cut the net AND jam GSM
 > you'd be out of luck in getting notification.
 >
 > You can get all fancy and have your program try all methods available.
 > Cell, Wired Net, WIFI (throw an antennae on your roof,) pager, etc.
 >
 > -Travis
 >
 > On Tue, Mar 30, 2010 at 10:39 AM,  <james@...thwaysecurity.com> wrote:
 >> Good idea u saying also I should by a gsm jammer this a good idea I will
 >> try.
 >>
 >> Sent from my iPhone
 >>
 >> On Mar 30, 2010, at 11:30 AM, T Biehn <tbiehn@...il.com> wrote:
 >>
 >>> Buy a prepaid cell, rig your comp & phone up to a battery backup.
 >>> Breakout board on your Serial port, or from a USB-DB9 RS232 adapter.
 >>>
 >>> Have the text messaged banged out on the prepaid, rig wires from the
 >>> breakout board to the cell phone, rig wires from your security sensors
 >>> into your breakout board. App to listen on com port send a nice high
 >>> signal to the pin connecting to your send key.
 >>>
 >>> Done.
 >>>
 >>> Like, 50$ for the phone incld. minutes.
 >>> Like less than 20$ for a breakout board.
 >>>
 >>> Also, rig the ringer up to an input on the breakout board and you can
 >>> call your phone to clear your FDE keys from RAM and kill your machine
 >>> if you think the man is paying a visit once you get a text :)
 >>>
 >>> Some adversaries will cut net, hardline, sometimes power.
 >>>
 >>> Attacks: GSM jammers, which everyone has.
 >>>
 >>> -Travis
 >>>
 >>> On Sat, Mar 27, 2010 at 6:44 PM, Oscar Bacelar <oscarbm@...il.com> 
wrote:
 >>>> Try arduino + internet.
 >>>>
 >>>> 2010/3/27 <james@...thwaysecurity.com>
 >>>>> Any one got any ides how I would program a system to call me from a
 >>>>> voip network to alert me of a home security breach.
 >>>>>
 >>>>> Sent from my iPhone
 >>>>>
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 >>> --
 >>> FD1D E574 6CAB 2FAF 2921  F22E B8B7 9D0D 99FF A73C
 >>> 
http://pgp.mit.edu:11371/pks/lookup?search=tbiehn&op=index&fingerprint=on
 >>> http://pastebin.com/f6fd606da
 >
 >
 >


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