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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    Two-way (sending and receiving) short codes:

    Country Code For customers of
    United States 40404 (any)
    Canada 21212 (any)
    United Kingdom 86444 Vodafone, Orange, 3, O2
    Brazil 40404 Nextel, TIM
    Haiti 40404 Digicel, Voila
    Ireland 51210 Vodafone, O2
    India 53000 Bharti Airtel, Videocon, Reliance
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    1. briankrebs‏Verified account @briankrebs May 18

      I never do this, but this is important so please RT if you agree: It's not okay for my mobile provider to sell or give my mobile device location info to a 3rd party without at least a court order/subpoena. Background: https://krebsonsecurity.com/2018/05/tracking-firm-locationsmart-leaked-location-data-for-customers-of-all-major-u-s-mobile-carriers-in-real-time-via-its-web-site/ … and https://apnews.com/a60b6c98a1ff434883313469f4487639 …pic.twitter.com/J0Plh3TTh7

      41 replies 2,335 retweets 1,506 likes
    2. Rich Felker‏ @RichFelker May 18
      Replying to @briankrebs @deliberatecoder

      Any info on whether MVNOs are also affected?

      1 reply 0 retweets 1 like
    3. Jordon Bedwell‏ @envygeeks May 18
      Replying to @RichFelker @briankrebs @deliberatecoder

      MVNO's have to lease from a major carrier so they would probably be affected.

      1 reply 0 retweets 3 likes
    4. Rich Felker‏ @RichFelker May 18
      Replying to @envygeeks @briankrebs @deliberatecoder

      Right but that's not a given. It depends both on what layer the tracking happens at and what dirty contracts are involved with which parties.

      2 replies 0 retweets 0 likes
    5. Jordon Bedwell‏ @envygeeks May 18
      Replying to @RichFelker @briankrebs @deliberatecoder

      Given most major MVNO's are owned by major carriers, or major MVNO's that are already known not to be privacy minded, I would throw a shadow of doubt over your privacy on the carriers networks. They aren't cheaper because they make extra demands that require extra work.

      1 reply 0 retweets 1 like
    6. Rich Felker‏ @RichFelker May 18
      Replying to @envygeeks @briankrebs @deliberatecoder

      AFAIK the APIs to link client IP+nat port to customer ID (provided to adtech) work on main carriers but not the MVNOs.

      1 reply 0 retweets 0 likes
    7. Jordon Bedwell‏ @envygeeks May 18
      Replying to @RichFelker @briankrebs @deliberatecoder

      Link? Because if that's the case I'll be switching to an MVNO.

      1 reply 0 retweets 2 likes
      Rich Felker‏ @RichFelker May 18
      Replying to @envygeeks @briankrebs @deliberatecoder

      I'll see if I can find anything about it again.

      8:04 PM - 18 May 2018
      • 2 Likes
      • Will Dietz Jordon Bedwell
      0 replies 0 retweets 2 likes

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