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wdormann's profile
Will Dormann
Will Dormann
Will Dormann
@wdormann

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Will Dormann

@wdormann

Vulnerability Analyst at the CERT/CC. My thoughts are my own, not my employer's.

Joined August 2012

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    Will Dormann‏ @wdormann 26 Jan 2018
    • Report Tweet
    • Report NetzDG Violation

    While I wait for a response from the @Android team, does anybody know what the consequences of a leaked APK signing key are? https://developer.android.com/studio/publish/app-signing.html#considerations … indicates that code/data can be shared among apps with the same signing key, but it's not clear if that's opt-in or not. @hanno

    8:33 AM - 26 Jan 2018
    • 4 Likes
    • Lee Kagan Robert (Effective C) Seacord Aaron Reffett
    1 reply 0 retweets 4 likes
      1. New conversation
      2. Tim Vidas‏ @tvidas 26 Jan 2018
        • Report Tweet
        • Report NetzDG Violation
        Replying to @wdormann @Android @hanno

        Malicious app updates, publisher impersonation, third party market app publishers indistinguishable from original publishers, create new apps to meddle with incumbent apps via contentProviders (signature protection)

        2 replies 0 retweets 1 like
      3. Will Dormann‏ @wdormann 26 Jan 2018
        • Report Tweet
        • Report NetzDG Violation
        Replying to @tvidas @Android @hanno

        Is an App in the Play Store tied to a specific Google account though? That is, if I would make a malicious app update, would I need both the signing key and also the credentials to the Google account?

        1 reply 0 retweets 0 likes
      4. 1 more reply

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