Marcus Brinkmann

@lambdafu

Improving the world one bit at a time.

Bochum
Vrijeme pridruživanja: kolovoz 2011.

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  1. proslijedio/la je Tweet
    3. velj

    Would you be interested in such stickers? (RTs are appreciated)

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  2. proslijedio/la je Tweet
    2. velj

    An affordable wheelchair--a little over $200--that gives users the option of standing when needed.

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  3. 2. velj

    We did it! The study is complete 💯 percent! >30 people were willing to participate. We are amazed by the response and thank each and every one of you for taking the time and giving us your expert opinion! You are the best! ❤️ Results will come to:

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  4. proslijedio/la je Tweet
    1. velj

    I am quite exhausted from the sheer complexity of the research I have been doing, having just spoken about the ME at . Now it's your turn: Please look into it as well and post your follow-up insights! ✨👩🏻‍💻 Slides: Video will follow.

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  5. 1. velj

    Do you use and ? Take part in our research study at . For Science! (we have chocolate, too)

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  6. 31. sij

    Thank you, Juraj, for the great time in Bochum!

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  7. proslijedio/la je Tweet
    22. sij

    libgen/scihub are of such monumental social/moral worth that their illegality delegitimizes the law as a whole

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  8. proslijedio/la je Tweet
    20. sij

    CVE-2020-2655: TLS/DTLS client authentication bypass in Java 11 & 13 (JSSE) Details & PoC

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  9. proslijedio/la je Tweet
    16. sij

    Wer von euch Lust hat unserem ersten experimentellen Livestream der Usergroup aus Bochum zu folgen ist herzlich eingeladen!

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  10. 16. sij

    Flash from the past: All high-level programming languages until 1957, by Donald E. Knuth and Luis Trabb Pardo.

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  11. proslijedio/la je Tweet
    16. sij

    If you are using TLS client authentication with Java 11 or Java 13 you should patch your servers NOW.

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  12. 15. sij

    Pure speculation: What if the NSA contracted Microsoft to implement custom curves for their own innocent purposes, and were afraid that people thought it was a backdoor? That would be enough motivation to disclose the finding. 🤔

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  13. 15. sij

    Why did implement support for custom curves? Asking for a friend. CVE-2020-0601

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  14. 9. sij

    The request was successful, the document is now available at . The content is as Moritz described: OpenPGP can be used even without a smartcard if some care is taken, such as using a computer that is allowed for sensitive documents. This doc expires in 1y.

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  15. 7. sij

    Sidenote: Don't rely on PGP "long" key ids (8 byte = 2^64 bit complexity, which seems within reach). Always use the whole fingerprint for verification.

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  16. 2. sij

    The OSDEM has long been and it is still the awesome, crazy, independent and crowded developer meeting it always has been from the very beginning. Brussels, 1+2 Feb 2020. See you there!

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  17. 27. pro 2019.

    Moritz reported about my FOI request to on the use of for sensitive docs, and has more details ❤️ (German only). His investigation uncovered another related document, a "release recommendation" for , that I also requested now.

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  18. proslijedio/la je Tweet
    27. pro 2019.

    BSI: OpenPGP? Ja, nein, vielleicht

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  19. proslijedio/la je Tweet
    22. pro 2019.

    New vuln writeup! We found a critical heap corruption vulnerability in the world's most widely deployed email server implementation (~5 million live hosts). It can be triggered remotely, does not require authentication, and has been present for 30 years.

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  20. proslijedio/la je Tweet
    18. pro 2019.

    Non sequitur. Zur Responsible Disclosure gehört auch, dass Schwachstellen veröffentlicht werden, wenn der Hersteller sie nicht fixt. Erst auf 's Berichterstattung hin wurden Schwachstellen aus dem Bericht in Truecrypt-Forks (z. B. Veracrypt) gefixt.

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