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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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    1. Will Dormann‏ @wdormann Apr 28
      • Report Tweet
      • Report NetzDG Violation

      I'm starting to question whether my expectations of our IT team are reasonable or not... What is a reasonable expectation of the amount of time it takes to receive an email from an unknown party? Is greylisting really the state of the practice among companies? #AmItheAsshole

      7 replies 0 retweets 2 likes
      Show this thread
    2. Brian in Pittsburgh‏ @arekfurt Apr 28
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      Replying to @wdormann

      Depends on threat model. And your infrastructure. :) If email is accessed in totally throwaway virtualized environments on servers by users of ultra-hard clients, all behind a one-way network link from the outside... don't see why it couldn't be available immediately for you. :)

      1 reply 0 retweets 0 likes
    3. Brian in Pittsburgh‏ @arekfurt Apr 28
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      Replying to @arekfurt @wdormann

      If you'd like the ability to send/reply😄, though, and prefer or only have the resources to use commodity operating systems and generally-available hardware, but still have a high threat model... then delays may be inevitable. :)

      1 reply 0 retweets 0 likes
    4. Brian in Pittsburgh‏ @arekfurt Apr 28
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      Replying to @arekfurt @wdormann

      Seriously, though, I'd be wondering what was happening if even emails lacking attachments or links to untrusted domains took typically took more than just a few minutes. (I presume, without any knowledge, that you're probably doing Word, pdf, etc. attachment flattening.)

      1 reply 0 retweets 1 like
      Will Dormann‏ @wdormann Apr 28
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      Replying to @arekfurt

      The recent email in question was a plain text "password reset" email. I didn't get anything in what *I* consider to be a reasonable amount of time. The purpose of this survey is to determine if my interpretation of "reasonable" matches some subset of the rest of the world.

      1:29 PM - 28 Apr 2020
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Brian in Pittsburgh‏ @arekfurt Apr 28
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          Replying to @wdormann

          Ohh, a password reset email. That could change my own expectation dramatically. If there is a hold/quarantine filter used to delay such things for review, though, always nice for usability to have some user-initiable override available.

          2 replies 0 retweets 1 like
        3. Will Dormann‏ @wdormann Apr 28
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          Replying to @arekfurt

          Indeed. Especially when the standard practice is "We'll send you an email *if* you have an account"

          0 replies 0 retweets 0 likes
        4. End of conversation

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