Tuukka Vainio

@twaijn

Internet, IP networks, cybersecurity and data visualization.

FIN
Vrijeme pridruživanja: travanj 2014.

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  1. proslijedio/la je Tweet
    7. sij

    Ah yes, Travelex and the curse of unpatched critical Pulse VPN vulns leading to a major incident. People ask "why is patching so hard for orgs?" I work for a large UK hospitality org. We run Pulse Secure VPN. It took ages to sort patching out & I'll explain why, so thread..

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  2. proslijedio/la je Tweet

    This book should be mandatory reading for so many in 2020, and now it's free. Get it. Learn, embrace a new way. Just do it. Much love to

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  3. proslijedio/la je Tweet
    13. pro 2019.

    Adding to the "Deploy the windows firewall" chant: if a rock-eater like me can figure out how to break lateral movement in an enterprise network, you can do it too. Make your goal preventing* SYN/ACK on critical remote services. Use IPSEC. Use ASR.

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  4. 27. stu 2019.

    A worthwhile rant to read on priorities and technical debt, with interesting facts about waste management.

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  5. proslijedio/la je Tweet
    20. stu 2019.

    Introducing the Funnel of Fidelity, a model to evaluate the efficacy of detection and response programs.

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  6. 31. lis 2019.

    ”While attackers have been said to work in attack chains (or graphs), I think it is fair to say that defenders are working to build webs.” Guidance on moving from defender’s dilemma to catching intruders in your web.

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  7. proslijedio/la je Tweet
    11. ruj 2019.

    TIL: "malachite will soak up some of the electromagnetic pollution emitted by your computer... your own personal guardian against viruses that can attack your computer via the internet and email." 📗

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  8. 9. kol 2019.

    Another piece reinforcing that taking good care of fundamentals helps orgs more than protecting from hyped corner cases.

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  9. proslijedio/la je Tweet
    19. svi 2019.

    SMS 2FA may have shortcomings, but it does the job well for most people. This is some very interesting research! "We found that an SMS code [...] helped block 100% of automated bots, 96% of bulk phishing attacks, and 76% of targeted attacks."

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  10. proslijedio/la je Tweet
    17. svi 2019.

    ”Your phish payload lands on a host, executes, and calls back to your command and control server. What is the first thing you do?” Really cool ”choose your own adventure” by

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  11. 10. svi 2019.

    Got cool stickers from for my new laptop. Red aviators are the new mirrorshades. Thanks !

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  12. proslijedio/la je Tweet
    3. tra 2019.

    Veronika McKillop of shares why they decided to move towards an -only single stack network and offers her advice for those looking to do the same.

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  13. 15. ožu 2019.

    Protips on improving your communication. Not using LaTeX isn’t on the list tho.

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  14. proslijedio/la je Tweet
    8. ožu 2019.

    Logitech Unifying - ultimate goal achieved: Running a RF based reverse shell through a Unifying receiver on an otherwise airgapped machine. Details in thread

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  15. 2. ožu 2019.

    Long thread about COMSEC, OPSEC and SIGINT relating to classified communications with modern technologies.

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  16. 8. velj 2019.

    Better start implementing IPv6 support now.

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  17. proslijedio/la je Tweet

    I did a writeup of the DNS over HTTPs Privacy discussions at , and round this off with some Strong Opinions on if it is good or not. Featuring presentations & work by & !

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  18. 11. pro 2018.

    Now that you have LAPS, use local admin for remote logons instead of domain accounts.

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  19. proslijedio/la je Tweet
    22. stu 2018.

    I've written a (fairly long) blogpost titled " and : Too big to fail?!" for 's Perfcalendar and I am looking for reviewers to provide some feedback! Interested parties, refer to: (there's beer at the end!)

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  20. proslijedio/la je Tweet

    At , kindly pointed out to me a wonderful June talk he gave that combines with , analyzing 4506 incidents from 1999-2017 at using .

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