[Gsmmap] Silent SMS recorded. What now?
quelcon at outlook.com
Mon Mar 2 22:35:52 CET 2015
Thanks for the reply. I was able to track down my approximate location the moment I received the silent SMS: I was likely crossing from Belgium into Germany. The SMS seem to have been sent from the Belgian network (source numbers) but I assume they have been linked to the roaming network switching at the border. And if Alex is correct, then I worry even less and rather monitor my phone when crossing the border next time... (-:
Thanks again for your replies!
From: ralph at schmid.xxx
To: quelcon at outlook.com; gsmmap at lists.srlabs.de
Subject: RE: [Gsmmap] Silent SMS recorded. What now?
Date: Mon, 2 Mar 2015 16:17:23 +0100
I do not know the inner workings of SnoopSnitch, but control messages also can come from a smart phone phoning home (BlackBerries are known for this) and causing an answer of the network, and it is possible that the provider configures the SIM remotely, what I have seen with O2 Germany quite often. Maybe the app catches such communication? What is your home network, and (if applicable) in what network have you been roaming? Ralph. From: gsmmap-bounces at lists.srlabs.de [mailto:gsmmap-bounces at lists.srlabs.de] On Behalf Of Quel Con
Sent: Monday, March 2, 2015 3:18 PM
To: gsmmap at lists.srlabs.de
Subject: [Gsmmap] Silent SMS recorded. What now? Hello everyone,
I am a non-tech person with some user skills and have SnoopSnitch running since a couple of months. While driving a car somewhere on a European highway on Feb 27 in the evening, I received a warning for two silent ("binary") SMS that my cell phone received.
I would be very grateful if you could help me to better understand what is happening here:
- Does SnoopSnitch block those SMS or just monitor them?
- Is there anything I should/can do now?
- What kind of information could someone receive from me by sending me such silent SMS?
- Does that compromise my phone's security?
- Is the info that SnoopSnitch collects (cell ID, SMSC, source no.) valuable/helpful to anyone for analysis?
Thank you very much in advance for any help you can provide!
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