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gorskon's profile
David Gorski, MD, PhD
David Gorski, MD, PhD
David Gorski, MD, PhD
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@gorskon

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David Gorski, MD, PhDVerified account

@gorskon

Surgeon/scientist promoting science in medicine and exposing quackery. Editor of Science-Based Medicine. My opinions do NOT represent those of my employers.

Michigan, USA
sciencebasedmedicine.org
Joined October 2009

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    David Gorski, MD, PhD‏Verified account @gorskon 22 Oct 2019

    David Gorski, MD, PhD Retweeted Tyler Black, MD

    Yep. And add to that the requirement my cancer center and other places I've worked have that we change our passwords every 6 months, and it's a recipe for disaster. I've never been able to find good evidence that changing your password frequently enhances security.🙄https://twitter.com/tylerblack32/status/1186510578669375489 …

    David Gorski, MD, PhD added,

    Tyler Black, MD @tylerblack32
    Replying to @DrEmamaullee
    From the amazing xkcd... pic.twitter.com/fhtYa6OQpx
    7:04 AM - 22 Oct 2019
    • 13 Retweets
    • 35 Likes
    • Michael Headon Agaro Segel Karin B Pavlo Lutsik Christoph Metzner Dmitriy Bobrovnikov Libby Cone MichaelKuhl Eoin Dunphy
    14 replies 13 retweets 35 likes
      1. New conversation
      2. Wesley Sanders‏ @wcsanders 22 Oct 2019
        Replying to @gorskon

        There's evidence that changing password frequently worsens security, because people start writing it down etc., and NIST (the national standard-setting organization for IT) recommends against periodic password changes.

        1 reply 0 retweets 2 likes
      3. David Gorski, MD, PhD‏Verified account @gorskon 22 Oct 2019
        Replying to @wcsanders

        Yep. But that doesn't stop my cancer center and the other hospital I work at from requiring that I change my password every 6 months. At least my university stopped the madness. If you pick an adequately secure passphrase (rules are provided), you never have to change it.

        1 reply 0 retweets 0 likes
      4. Show replies
      1. New conversation
      2. hanno  💉 💉‏ @hanno 22 Oct 2019
        Replying to @gorskon

        there's pretty much widespread consensus in the security community that as far as the evidence we have says, changing passwords regularly is either more harmful or at least not improving security.

        1 reply 3 retweets 12 likes
      3. hanno  💉 💉‏ @hanno 22 Oct 2019
        Replying to @hanno @gorskon

        this sentiment is also shared by FTC https://www.ftc.gov/news-events/blogs/techftc/2016/03/time-rethink-mandatory-password-changes … and NIST https://pages.nist.gov/800-63-3/ 

        0 replies 0 retweets 3 likes
      4. End of conversation
      1. New conversation
      2. L. Tock‏ @LTock 22 Oct 2019
        Replying to @gorskon

        Every 90 days for us. For each platform. You can't reuse one from another platform, either.

        1 reply 0 retweets 1 like
      3. David Gorski, MD, PhD‏Verified account @gorskon 22 Oct 2019
        Replying to @LTock

        Yep. Same here, but they have no way of knowing the passwords I've used in the past on other platforms; so I have no idea how they'd enforce that rule.

        1 reply 0 retweets 0 likes
      4. Show replies
      1. Andrei “Wear a mask!" Anghel‏ @SAndreiAnghel 22 Oct 2019
        Replying to @gorskon

        This comic is funny and it was great at the time, but dictionary attacks have made it somewhat obsolete. https://www.google.com/amp/s/www.techrepublic.com/google-amp/article/brute-force-and-dictionary-attacks-a-cheat-sheet/ …

        0 replies 0 retweets 0 likes
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      1. New conversation
      2. I am Stupendous!  🏳️‍⚧️ 🏳️‍🌈‏ @movinmeat 22 Oct 2019
        Replying to @gorskon

        You want passwords on post-it notes in the desk drawer? Cause this is how you get passwords on post-it notes i the desk drawer.

        1 reply 0 retweets 3 likes
      3. I am Stupendous!  🏳️‍⚧️ 🏳️‍🌈‏ @movinmeat 22 Oct 2019
        Replying to @movinmeat @gorskon

        My password protocol is this: FnameLnameJerseynumber of my current favorite member of the seahawks. It has to change every 90 days and I can't re-use them but the roster changes a lot so plenty of options to mine.

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. Skane2600‏ @skane2600 22 Oct 2019
        Replying to @gorskon

        And then there's the inability to copy/paste your password into a password field.

        0 replies 0 retweets 0 likes
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