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PwdRsch

HN member
Joined
Tue, Jan 08, 2013, 9:40 PM UTC
HN karma
9
Public activity
12 items

About PwdRsch

Hi, I'm Bruce K. Marshall. I've been conducting and gathering research on passwords and authentication systems since the late 90's. I started the PasswordResearch.com site as a way to share my collection of information and to encourage more collaboration between academics and IT practitioners.

I'm here to continue learning about the questions and problems people have with authentication as well as contributing my own experiences. You can also find me on Twitter @PwdRsch.

Recent public activity

  1. comment
    Comment #13179997

    Yep, unfortunately for passphrases the maximum acceptable password length on web sites tends to be the #1 factor limiting their use. I created sample passphrases and tried them on …

  2. comment
    Comment #13178448

    Here you go: https://security.stackexchange.com/questions/62832/is-the-of...

  3. comment
    Comment #12952320

    They do try changing the capitalization of only the first character, but also invert the capitalization of all the characters in the supplied password. http://www.zdnet.com/article…

  4. comment
    Comment #12710121

    Some of the latest research on this technique: Fast, Lean, and Accurate: Modeling Password Guessability Using Neural Networks https://www.ece.cmu.edu/~lbauer/papers/2016/usenixsec2…

  5. comment
    Comment #12602073

    Yes. They didn't need to know his strong password to log on, they just needed access to his mobile phone SMS in order to complete the account recovery process and change his accoun…

  6. comment
    Comment #7944966

    It is complete idiocy to use passwords across services. Utter insanity. It is the worst possible practice imaginable, and is never, ever excusable. It's one thing to argue for impr…

  7. comment
    Comment #5782680

    Here's what it says in the "How I became a password cracker" article ( http://arstechnica.com/security/2013/03/how-i-became-a-passw... ) on Ars from March: "Dan suggested that, in …

  8. comment
    Comment #5782356

    Telling people to use passphrases is a great recommendation, but you still have to spend some time teaching them how to use passphrases effectively. In the article they list severa…

  9. comment
    Comment #5782119

    There actually has been research on how to split passwords across multiple servers (one example http://www.passwordresearch.com/papers/paper270.html ), and RSA is currently marketi…

  10. comment
    Comment #5713041

    I used to do this same thing and never heard about pen testing firms being sued by their client. Most likely he was spinning a yarn. It is more likely that a security consulting fi…

  11. comment
    Comment #5325467

    AJ Jacobs at Esquire magazine wrote about his experience doing something similar back in December: http://www.esquire.com/features/overly-documented-life-0113

  12. comment
    Comment #5141363

    That's simply not true. Rainbow tables are still the first choice of many people trying to crack passwords, with brute force or hybrid attacks as a follow up after the common passw…