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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Royce Williams‏ @TychoTithonus 7 Aug 2017
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      Replying to @marcan42 @CormacHerley and

      I think we're agreed: 320M blacklist is suboptimal. Instead, check common dicts & passwords, masks, length, & let user select random phrase

      1 reply 0 retweets 0 likes
    2. Lakiw has 15% of your password‏ @lakiw 8 Aug 2017
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      Replying to @TychoTithonus @marcan42 and

      Causing trouble here but [[citation needed]] ;p I'm struggling because I agree with you but I can't back up 320M blacklist is sub-optimal...

      3 replies 0 retweets 1 like
    3. Lakiw has 15% of your password‏ @lakiw 8 Aug 2017
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      Replying to @lakiw @TychoTithonus and

      Research that in general blacklists are worth annoyance when defending against online guessing attacks. 1 example: https://www.ece.cmu.edu/~lbauer/papers/2016/tissec2016-password-policies.pdf …

      2 replies 1 retweet 1 like
    4. Lakiw has 15% of your password‏ @lakiw 8 Aug 2017
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      Replying to @lakiw @TychoTithonus and

      I'm not aware of research that looks at behavior as blacklists grow larger. Pls share if you do! Also studied blacklists have been ad-hoc

      1 reply 1 retweet 0 likes
    5. Lakiw has 15% of your password‏ @lakiw 8 Aug 2017
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      Replying to @lakiw @TychoTithonus and

      My gut is there's a point of diminishing rewards where large blacklists are annoying + the security is not worth it. But is it 1k, 1m, 100m?

      3 replies 2 retweets 2 likes
    6. Lakiw has 15% of your password‏ @lakiw 8 Aug 2017
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      Replying to @lakiw @TychoTithonus and

      The main usability frustration of blacklists is a user doesn't have knowledge of it before submitting their pw. Leads to (╯°□°）╯︵ ┻━┻

      1 reply 1 retweet 3 likes
    7. Lakiw has 15% of your password‏ @lakiw 8 Aug 2017
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      Replying to @lakiw @TychoTithonus and

      With small blacklists users might say, "Ok shouldn't have picked monkey". As BL grows, reject of user viewed "strong" pws cause frustration

      4 replies 0 retweets 0 likes
    8. patpro‏ @p4tpr0 8 Aug 2017
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      Replying to @lakiw @TychoTithonus and

      1/2 the more I review pwd from @troyhunt list, the more I agree with this statement. Many look very strong from the avg Joe PoV. So may be…

      1 reply 0 retweets 0 likes
    9. patpro‏ @p4tpr0 8 Aug 2017
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      Replying to @p4tpr0 @lakiw and

      2/2… use a short list client side at pwd creation, and use the full list server side few times a year for auditing pwd and warning users.

      1 reply 0 retweets 1 like
    10. patpro‏ @p4tpr0 8 Aug 2017
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      Replying to @p4tpr0 @lakiw and

      3/2 (I'm working in a University, as sysadmin/CISO, I'm already auditing pwd and educating my users, @troyhunt's list will help me here too)

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 8 Aug 2017
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      Replying to @p4tpr0 @lakiw and

      You mean you store your users' passwords in plaintext so they can be audited offline?

      10:18 AM - 8 Aug 2017
      1 reply 0 retweets 0 likes
        1. New conversation
        1. Maximilian Golla‏ @m33x 8 Aug 2017
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          Replying to @marcan42 @p4tpr0 and

          No, you take the plaintext version of troyhunt's list and use it a cracking dict against your AD or whatever system that is deployed

          1 reply 0 retweets 1 like
        2. Hector Martin‏ @marcan42 8 Aug 2017
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          Replying to @m33x @p4tpr0 and

          Your password hashing system is shit if you can afford to crack passwords like that without a bunch of GPUs.

          4 replies 0 retweets 0 likes
        3. Show replies

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