Fermin J. Serna

@fjserna

Citrix's CISO - Previously: Semmle's CSO, Google's Head of Product Security, MSFT, entrepreneur. All opinions my own.

Vrijeme pridruživanja: prosinac 2007.

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  1. 24. sij

    We just released v1.1 of our IOC scanning tool for CVE-2019-19781 reducing false positives. Check it out...

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  2. proslijedio/la je Tweet
    22. sij
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  3. 22. sij

    Ha! did not develop the tool but provided some ideas :) CISOs need to stay technical too for making good decisions around risk management

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  4. 20. sij
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  5. 19. sij

    12.1 build 50.28 information is being misinterpreted heavily. If you applied ALL mitigations steps even as they were described Dec 17th you should be good. Mitigation was never incomplete. Two options 1) upgrade 50.28 and apply partial mitigation OR 2) apply full mitigation

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  6. 19. sij

    12.1 build 50.28 information is being misinterpreted heavily. If you applied ALL mitigations steps even as they were described Dec 17th you should be good. Mitigation was never incomplete. Two options 1) upgrade 50.28 and apply partial mitigation OR 2) apply full mitigation

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  7. 12. sij

    We just published further information around the Citrix ADC/Gateway vulnerability with fix release dates. If I can recommend something, apply the mitigation ASAP if you have the management IP exposed and not firewall protected. It stops the attack on known vulnerable scenarios.

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  8. proslijedio/la je Tweet
    29. pro 2019.

    This attack did occur, but it wasn’t Mitnick that performed it. Also, Shimomura’s machine was already owned before Kevin finally was given access, and it was logged. I’ve seen the logs.

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  9. 26. pro 2019.

    My brother (attorney specialized in privacy, acquisitions and helping businesses raising funding/VC launched a podcast in Spanish (). Very interesting the first one with around his several entrepreneur endeavors.

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  10. 16. pro 2019.

    At the Google Cloud Security Forum 2019

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  11. 12. pro 2019.

    For folks who missed my previous tweets, is hiring... great challenges ahead, great team, great culture! Join us to make an impact! We are looking into these areas: SOC/IR, Architecture, Vuln Management, Blue/Red Team,... Roles here (more soon)

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  12. 6. pro 2019.

    3 weeks ago I joined Citrix as CISO... it seems like 3 years. What a great challenge and opportunity ahead. Join me on this journey, great security opportunities to have a deep impact. Roles available here We will keep adding more soon!

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  13. 20. stu 2019.

    Let's think bigger, any account restrictions on him?

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  14. 19. stu 2019.

    Extremely excited to open a new chapter in my career and join as Chief Information Security Officer. We are hiring! We have multiple exciting security roles to fill... ping me. Open DMs

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  15. 16. stu 2019.
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  16. proslijedio/la je Tweet
    16. stu 2019.
    Odgovor korisnicima

    Best of the luck on whats coming next! You definitely set the path and the mission of the team! See you soon in Seattle!

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  17. 16. stu 2019.

    3/3 As of what is next for me... Next week I will be in South Florida for my first week at my new gig. Not relocating from Seattle. Very exciting and challenging new CISO opportunity. Will announce it next week... unless anyone beats me with a correct guess? :P

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  18. 16. stu 2019.

    2/3 I have full confidence on and the rest of the Lab team. They will do great. I want to thank for the opportunity he gave me as CSO. I want to thank for the confidence he put around us building the Lab

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  19. 16. stu 2019.

    1/3 Yesterday was my last day at About 7 great and intense months where I learnt a lot, helped the business in so many fronts and succeeded on an acquisition due diligence. I also helped defining and building the GitHub security Lab alongside

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

    Stay tune for the fantastic announcements will be doing tomorrow at the keynote! We will be talking about Security ;)

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