Alfredo Ortega

@ortegaalfredo

Software/Hardware security researcher - Cybergaucho.

Buenos Aires
Vrijeme pridruživanja: ožujak 2009.

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  1. proslijedio/la je Tweet

    “As of this morning, we have commissioned the design and manufacture of a cutting-edge tabulation device that will be able to legibly report vote totals on a sheet of paper 99% of the time.”

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    I have a pet hypothesis that the predominance of programmers among groups that require believing something unusual and true is because programming is the profession where you most often have to change your mind about the most complicated beliefs. Of course, I could be wrong.

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  3. 3. velj

    Bugs in security products are my favorite because of their ego-regulator properties.

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  4. proslijedio/la je Tweet
    3. velj

    This news reminds me of the European Space Agency in saying that "human beings" usually cannot "access flying spacecraft" so "there is no need for side channel attack protection". Serious attackers build machines to carry out attacks beyond human ability.

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  5. proslijedio/la je Tweet
    11. pro 2019.

    Qualys Security Advisory Team: Local Privilege Escalation in OpenBSD's loader (, CVE-2019-19726). Getting root on default install (i386/amd64), by tweaking the environment variables. Exploit and more details at:

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    What's the worst that can happen if our elections were hacked? Is the government working to prevent it? Our cybersecurity reporter answered questions.

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  7. 24. sij
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  8. 24. sij

    "A laboratory in Wuhan is on the cusp of being cleared to work with the world’s most dangerous pathogens. Some scientists outside China worry about pathogens escaping..." 22 Feb 2017

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  9. proslijedio/la je Tweet
    23. sij

    Just gonna remind people of two truths: 1) compartmentation is the foundation of security 2)

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  10. 18. sij
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  11. proslijedio/la je Tweet
    14. sij

    Beetlejuice, Beetlejuice, Betelgeuse! Please make those c-beams glitter over the shoulders of Orion (or it's legs, I guess, depending on your hemisphere)

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    Potential impact of CVE-2020-0601: - Remote Code Execution (due to auth bypass) - Compromise of HTTPs authentication - Spoofing code signing (in user-mode) - Spoofing content signing Source:

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  13. proslijedio/la je Tweet
    8. sij

    This critique of Merkle's work didn't age well.

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    7. sij

    Effects of security breaches on listed companies share prices via [28 corps, 1-3y horizon; share price rebounds to market after 1 month w low hit ~14d post- breach -7.2% ; (IMHO dubious) claim: breached corps underperform markets long term]

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  15. 6. sij

    I have several CVEs to my name and hackers always make fun of me because of that. They call me whitehat, ethical hacker, etc.

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  16. 4. sij

    This is the reason there are so many psychopaths doing infosec, specifically OSINT and intelligence. If you get used to hack people instead of software, it taints your mind.

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  17. proslijedio/la je Tweet
    3. sij

    2. I can't understate how major this is. Not just a moment in US-Iran relations, but a major global event. People comparing this to killing Osama Bin Laden don't know what they're talking about. This is way more significant. Equivalent to another country killing US Vice-President

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  18. 1. sij

    Balance de 2019: sospechosamente bueno, espero no estar atrapado en alguna clase de Matrix.

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

    it's out will present it at the paper I'm the proudest of thanks to

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  20. 24. pro 2019.

    For several reasons, I am against the free availability and distribution of offensive security fools. I wish y'all a Happy Merry Christmas.

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