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Re: SMS Banking
From: "Agus 'Bosen' Supriadhie" <mobile () bosen net>
Date: Fri, 5 Feb 2010 17:19:32 +0000

How about putting a random PIN sequense?
Only 2 or 3 part from the PIN randomly input 
Let say input the first and the fith of the PIN
Randomly

Sent from my BlackBerry®
powered by Sinyal Kuat INDOSAT

-----Original Message-----
From: "Budi wibowo" <bwibowo () gmail com>
Date: Thu, 4 Feb 2010 22:55:51 
To: M.D.Mufambisi<mufambisi () gmail com>; <listbounce () securityfocus com>; <pen-test () securityfocus com>; 
<security-basics () securityfocus com>
Subject: Re: SMS Banking

instead of using sms for putting the pin, please use flash sms.
Safe and will not give any log on mobile phone.

Regards
Budi wibowo
-----Original Message-----
From: "M.D.Mufambisi" <mufambisi () gmail com>
Date: Thu, 4 Feb 2010 18:20:22 
To: <pen-test () securityfocus com>; <security-basics () securityfocus com>
Subject: SMS Banking

Hi All,

Im designing an SMS baking application but i need to research on the
security risks involved first. Im thinking of subscribing mobile phone
number along with a pin. eg Number 222-222-222 PIN 20029. So when the
individual wants to enquire his balance, he sends a text messgae like
Bal 20029 i.e. BAL PINNUMBER. The control here is that the sms and pin
has to come from the subscribed number and only that number. I also
want to be able to allow subscribers to tranfer funds to pre
determined service providers such as utility companies etc.
What are the risks around this application? How are such applications
normally subverted? Are there any case studies someone can point me
to? What are the various authentication methods as i appreciate mine
can not be the best?

Your help will be most appreciated.

Munyaradzi

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