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taviso's profile
Tavis Ormandy
Tavis Ormandy
Tavis Ormandy
Verified account
@taviso

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Tavis OrmandyVerified account

@taviso

Vulnerability researcher at Google. This is a personal stream, opinions expressed are mine.

California
taviso.decsystem.org
Joined April 2008

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    1. Justin Schuh  😷‏ @justinschuh Jan 7
      • Report Tweet
      • Report NetzDG Violation

      Justin Schuh  😷 Retweeted Tim Willis

      Personally, I'm a huge fan of this change, because it creates a strong incentive for vendors to patch sooner rather than later. And when you're trying to improve an ecosystem, incentive structure is a make or break decision.https://twitter.com/itswillis/status/1214595438113886209 …

      Justin Schuh  😷 added,

      Tim Willis @itswillis
      At Google Project Zero, the team spends a *lot* of time discussing and evaluating vulnerability disclosure policies and their consequences. It's a complex and controversial topic! Here's P0's policy changes for 2020 (with our rationale for the changes): https://googleprojectzero.blogspot.com/2020/01/policy-and-disclosure-2020-edition.html …
      1 reply 2 retweets 15 likes
    2. Tavis Ormandy‏Verified account @taviso Jan 7
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      Replying to @justinschuh

      Here's the problem with that, what economic incentives exist to fix vulnerabilities if you have no reason to believe your customers know about it? Customers are not going to request a fix, or make any purchase decisions based on data they don't have, so why bother?

      1 reply 0 retweets 1 like
    3. Justin Schuh  😷‏ @justinschuh Jan 7
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      Replying to @taviso

      Unless you're arguing that companies are going to stop providing severity information and credits in their release notes, I don't see your argument. And either way, the time-to-patch data will always be available and provides exactly that insight.

      1 reply 0 retweets 1 like
      Tavis Ormandy‏Verified account @taviso Jan 7
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      Replying to @justinschuh

      I'm asking why should I patch a bug that my customers don't know about? What's the incentive?

      11:58 AM - 7 Jan 2020
      • 1 Like
      • Sriram Karra
      3 replies 0 retweets 1 like
        1. Justin Schuh  😷‏ @justinschuh Jan 7
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          Replying to @taviso

          I did just note that "time-to-patch data will always be available and provides exactly that insight." But, you should really just come into the office so we can have this discussion in person.pic.twitter.com/TFyshNNAQB

          0 replies 0 retweets 2 likes
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        2. buena vista social distancing club‏ @phasmantistes Jan 7
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          Replying to @taviso @justinschuh

          Future business: they might not know about this one now, but if they learn about it later (particularly by being directly harmed by it), then they won't be a repeat customer.

          1 reply 0 retweets 0 likes
        3. Tavis Ormandy‏Verified account @taviso Jan 7
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          Replying to @phasmantistes @justinschuh

          That's a very big picture hand wavy reason though right? Patching is expensive, disruptive and unpopular, and vendors aren't usually blamed for exploits (e.g. eternalblue). That's some expensive good will, no?

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. Hassan Sultan‏ @hsultan75 Jan 7
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          Replying to @taviso @justinschuh

          Earning and retaining their trust, and also avoiding lawsuits. Which is why lots of vendors (MS, Google, Amazon...) have been doing it for years.

          0 replies 0 retweets 0 likes
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