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Keynote Videos Now Available for Download

Day 1 Keynote: Bruce Schneier - Schneier on Security
Day 2 Keynote: Jeremiah Grossman - Hacks Happen

David Houlton (Independent Network Security Researcher)

Filed under: Main Page — Administrator @ 9:23 pm

Presentation Title: Cracking the GSM A5/1 Encryption in Seconds
Presentation Details:

This talk is about GSM security. We will explain the security, technology and protocols of a GSM network. We will further present a solution to build a GSM scanner for 900 USD. The second part of the talk reveals a practical solution to crack the GSM encryption A5/1. We are hoping to give a practical demonstration of decrypting a GSM conversation.

Presentation Outline

a) Who we are
b) What we do

1) GSM
a) GSM Network Overview
b) Basestations, switches, databases, cells, …
c) Mobile Phone Technology

2) Receiving GSM signals
a) Nokia 3310
b) USRP / Gnu Radio
c) others (tsm30, omap, …)

3) Security in GSM

4) Cracking A5/1
a) Different approaches
b) TMTO attacks
c) The A5Buster

5) Threats & Future


About David

David Hulton has been hacking with wireless and embedded devices for the past 5 years and actively involved in the security industry for 10. After helping start and run various security meetings and ToorCon back in the late 90’s, he switched focus and became credited with designing open source tools such as bsd-airtools, doing extensive security research with Wireless, Smart Cards, GSM, and most recently with revolutionary high-speed crypto cracking applications for FPGAs.

** Presenting with Skyper

Event Organizer

Hack In The Box (M) Sdn. Bhd.

Event Partner



Supported & Endorsed By

UAE Telecommunications Regulatory Authority (TRA)

Malaysian Communications and Multimedia Commission (MCMC)

Malaysian Administrative Modernisation & Management Planning Unit

Platinum Sponsors

Titanium Sponsor (Post Conference Reception)


Gold Sponsors


Microsoft Corporation

Official Media Partner (Magazine)

Network Middle East

Arabian Computer News

ITP Business

Official Airline Partner

Emirates Airlines

Our Speakers are Supported By

Bellua Asia Pacific

Supporting Media:

Virus Bulletin

Virus Bulletin (VB)

InfoSec News

(ISN) InfoSec News

InfoSec News

XAKEP (Russia)

Insecure Magazine

PHRACK Magazine

Hakin9 Magazine

Supporting Organizations


ISECOM - Insititue for Security and Open Methodologies

ISACA Malaysia

IT Underground

X-Focus China

Zone-H Defacement Mirror

Xatrix Security

Special Interest Group in Security & Information InteGrity Singapore