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dguido's profile
Dan Guido
Dan Guido
Dan Guido
@dguido

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Dan Guido

@dguido

CEO @trailofbits, organizer @EmpireHacking, director @hack_secure. Open DMs.

Brooklyn, NY
trailofbits.com
Joined April 2008

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    1. Dan Guido‏ @dguido 2 May 2016

      tl;dr we have a synthetic dataset not correlated to actual attacks and we stand behind misleading people #DBIRhttp://blog.kennasecurity.com/2016/05/collaborative-data-science-inside-the-2016-verizon-dbir-vulnerability-section/ …

      2 replies 21 retweets 14 likes
    2. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      "We scan for open vulns, successful exploitation is whenever a bunch of sensors triggers on them later"pic.twitter.com/3guK2RGICK

      2 replies 7 retweets 4 likes
    3. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      Using IDS sigs for successful exploitation is the kind of statistic that only a data scientist could love!

      2 replies 10 retweets 8 likes
    4. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      Kenna's top10 vulns match up to the top triggered sigs on every Snort install ever.pic.twitter.com/7z4W7LLo3p

      2 replies 16 retweets 15 likes
    5. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      That should have been a major hint that they weren't measuring anything at all, but somehow...pic.twitter.com/AAOneIzBws

      1 reply 2 retweets 2 likes
    6. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      If you missed that, Kenna thinks attackers are successfully exploiting FREAK and an RDP DoS and so you should prioritize them above new CVEs

      2 replies 6 retweets 3 likes
    7. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      This dataset and their analysis is misleading and harmful. Enterprises that follow that advice are worse off after reading it.

      1 reply 7 retweets 3 likes
    8. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      Dan Guido Retweeted the grugq

      There's a total disconnect between real incident data and Kenna's synthetic dataset, here's another take on it:https://twitter.com/thegrugq/status/727002988250730496 …

      Dan Guido added,

      the grugq @thegrugq
      @mroytman can you explain the discrepancy between your findings and Microsoft’s findings? http://download.microsoft.com/download/4/4/C/44CDEF0E-7924-4787-A56A-16261691ACE3/Microsoft_Security_Intelligence_Report_Volume_19_English.pdf …
      1 reply 5 retweets 1 like
    9. Dan Guido‏ @dguido 2 May 2016
      Replying to @dguido

      Dan Guido Retweeted the grugq

      Microsoft is combining crash data with on-host agent data here. They can track process execution. This data is REAL:https://twitter.com/thegrugq/status/727002988250730496 …

      Dan Guido added,

      the grugq @thegrugq
      @mroytman can you explain the discrepancy between your findings and Microsoft’s findings? http://download.microsoft.com/download/4/4/C/44CDEF0E-7924-4787-A56A-16261691ACE3/Microsoft_Security_Intelligence_Report_Volume_19_English.pdf …
      1 reply 6 retweets 8 likes
      Dan Guido‏ @dguido 2 May 2016

      It still confuses me why Verizon didn't use their own incident data for tracking successful exploitation. It's concrete and reliable.

      2:52 AM - 2 May 2016
      • 3 Retweets
      • 1 Like
      • RichL Odisseus
      1 reply 3 retweets 1 like
        1. New conversation
        2. Dan Guido‏ @dguido 2 May 2016
          Replying to @dguido

          If there are issues with quantity, then get your collaborators to improve their data collection until it's statistically reliable!

          1 reply 1 retweet 0 likes
        3. Dan Guido‏ @dguido 2 May 2016
          Replying to @dguido

          Instead, Verizon worked with Kenna to make up a bunch of data then masked it in "data science" to make it look like more than garbage.

          2 replies 5 retweets 5 likes
        4. Dan Guido‏ @dguido 2 May 2016
          Replying to @dguido

          Or, exploitation is dramatically easier to detect on-host. Partner with an agent vendor: "If iexplore.exe launches cmd.exe then popped=true"

          2 replies 2 retweets 2 likes
        5. Dan Guido‏ @dguido 2 May 2016
          Replying to @dguido

          Dan Guido Retweeted Thomas H. Ptacek

          Several others have cogent analysis of the Verizon/Kenna data. See here: https://twitter.com/thegrugq/status/726986083381055488 … and here:https://twitter.com/tqbf/status/726989872913739777 …

          Dan Guido added,

          Thomas H. Ptacek @tqbf
          Replying to @tqbf
          I conclude with the question: what the actual fuck?
          0 replies 2 retweets 1 like
        6. End of conversation

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