M1 Unauthorized Charges

After informing M1 of unauthorized charges for July 2012 and August 2012, the unauthorized charges seemed to stop for some time until this year 2013. The unauthorized charges were global SMS sent out to the same Myanmar number, unknown to me. There were a total of 10 unauthorized charges (possible security loophole) to my M1 account (reported to M1/ IDA/ MCI/ CAD/ PMO).

   Jul 2012    Global SMS/MMS  5 message(s) sent
   Aug 2012  Global SMS/MMS  2 message(s) sent
   Feb 2013  Global SMS/MMS  1 message(s) sent
   Apr 2013  Global SMS/MMS  2 message(s) sent

I had explained to M1 that we do not have any contact with anybody in Myanmar. Even when I need to make any overseas call, I would use my Skype account to call back Singapore which is much cheaper. The best and fishy part of the whole thing was that we did not receive any incoming global messages from the same Myanmar number.

I reminded M1 that M1 is responsible to stop and refund the illegal charges. I had also asked M1 to provide further details regarding the suspicious outgoing global messages, but M1 did not concede to my requests to investigate further and made extra effort to stop the unauthorized charges (possible black market/ hacking) in future.

   Does the same Myanmar number belong to individual user or company entity?
   What are the purpose and content of the 10 outgoing global messages sent?

To avoid the repeated illegal charges from illegal entity, I had requested M1 to look further and to provide a solution (such as blacklist/ cramming block) to tackle the illegal problem. However, M1 still seemed not willing to look into the real problem behind the unauthorized charges. M1 only explained that it was unable to identify the recipient as it was an overseas number.

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