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Do Not Try That At Home

  • Architectural issue, so it’s not a “quick patch” to block

    • Will likely be exploitable for some time to come

    • Responsibly disclosed to carrier we tested

  • Lack of patch doesn’t mean carriers are defenseless

    • They can monitor for it and take action against subscribers

    • Spoiler alert: We’ve been told they are monitoring. They will take action.

  • Many GSM networks are likely affected

    • We’re working with the GSM Alliance to find and notify all GSM carriers

  • We’ve removed MMS/Fingerprinting functionality from TAFT

    • Due to agreement with carrier

RingZero

https://luis.ringzero.net

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