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  • October 15, 2025
    HD Moore
    @hdm

    Today's runZero Hour is up with Rob King, Tod Beardsley, and EOL expert and technology necromancer, captn3m0 (pronounced “nemo”). They will summon and explore runZero’s latest research paper, “Undead by design: Benchmarking end-of-life operating systems”, which digs deep in real customer networks to get a sense of just how prevalent running EOL OSes are – and it's spine-chilling!

    https://www.youtube.com/watch?v=BXBbNP5yadA

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  • October 13, 2025
    HD Moore
    @hdm

    JawnCon (https://jawncon.org/) 0x02 just wrapped! I wish I could make it this year, but settled for catching the talks on the live stream:

    Main Stage Day 1: https://www.youtube.com/live/Cvf-mAdnPl0?lc=UgwMOtdPezSwFxO8Idx4AaABAg

    Man Stage Day 2: https://www.youtube.com/watch?v=bcr6bCopBD4&lc=UgwosGFE2kBooWoQhVR4AaABAg

    Classroom Day 2: https://www.youtube.com/watch?v=1aML2dzB9YI&lc=UgyhvLYDwsDpJ6UqHa94AaABAg

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  • October 8, 2025
    HD Moore
    @hdm

    Hello Austin Gophers! Join us tonight, Wednesday, October 8th, 2025 for two hours of lightning talks and discussion at the ATX Go meetup. This is hosted by Capital Factory and runs from 6:30 PM to 8:30 PM central (with pizza and drinks!): https://www.meetup.com/atxgolang/events/305492512/

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  • October 2, 2025
    HD Moore
    @hdm

    #sectorca 

    #SectorCa 2025 is fantastic! I last attended in 2008 and holy cow has it grown. Great to see Brian and Bruce still involved. Excellent talks, really sharp crowd, zero attitude, and everyone is incredibly friendly. You can find the slides from my morning keynote at https://hdm.io/decks/Sector-25-Moore-TheOnceAndFutureRules-FINAL.pdf

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  • October 1, 2025
    HD Moore
    @hdm

    #sector 

    Hello #SecTor! 🍁 Rob King's presentation starts NOW in Room 716B:

    "Pay No Attention to the Device Behind the Curtain: Banned tech doesn’t always stay banned. Rob shows how to detect white-labeled and counterfeit gear using Internet-scale methods & protocol quirks."

    👉 https://www.blackhat.com/sector/2025/briefings/schedule/index.html#pay-no-attention-to-the-device-behind-the-curtain-detecting-forbidden-white-labeled-and-counterfeit-devices-47726

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  • September 10, 2025
    HD Moore
    @hdm

    Hello Austin Gophers! Join us tonight, Wednesday, September 10th, 2025 for two hours of lightning talks and discussion at the ATX Go meetup. This meetup is hosted by Capital Factory and runs from 6:30 PM to 8:30 PM CDT (with pizza and drinks!): https://www.meetup.com/atxgolang/events/305492508/

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  • August 20, 2025
    HD Moore
    @hdm

    I chased an intermittent DNS bug for two weeks and for once, it was not DNS:

    "PF states limit reached"

    If you use opnsense/pfsense, the default state table size of 1.6m can sneak up on you when your network is full of scans. Poking around with `pfctl -si` and setting a much healthier max with aggressive expiration made everything happy again.

    Related, runZero handles this problem by actively tearing down middle-box state tables during SYN scans, which ironically means sending twice as many packets, but having a much lower impact on the network as a result.

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  • August 13, 2025
    HD Moore
    @hdm

    Hello Austin-area software engineers (or aspiring engineers)! Join us tonight, Wednesday, August 13, 2025 for two hours of lightning talks and discussion at the ATX Go meetup. The focus tonight is on infosec/cybersecurity/hacking tools written in Go, but all Go-related talks are welcome.

    This meetup is hosted by Capital Factory and runs from 6:30 PM to 8:30 PM CDT (with pizza and drinks): https://www.meetup.com/atxgolang/events/305492505/?slug=atxgolang&eventId=305492505

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  • August 13, 2025
    HD Moore
    @hdm

    If you missed this talk at BH/DC last week, it's worth a read: "From Spoofing to Tunneling: New Red Team's Networking Techniques for Initial Access and Evasion". Awesome work from Shu-Hao, Tung (123ojp) covering practical attacks on GRE and VxLAN tunnels: https://media.defcon.org/DEF%20CON%2033/DEF%20CON%2033%20presentations/Shu-Hao%20Tung%20-%20From%20Spoofing%20to%20Tunneling%20New%20Red%20Team%27s%20Networking%20Techniques%20for%20Initial%20Access%20and%20Evasion.pdf (repo: https://github.com/123ojp/GREtunnel-scanner & wp https://i.blackhat.com/BH-USA-25/Presentations/USA-25-Tung-From-Spoofing-To-Tunneling-New-wp.pdf)

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  • August 13, 2025
    HD Moore
    @hdm

    Blue Team Con (@BlueTeamCon) is only three weeks away! I'm excited to share "The Death and Rebirth of Vulnerability Management", an analysis of coverage, tradeoffs, and efficacy across vulnerability scanners, endpoint agents, and open source security tools.

    https://blueteamcon.com/directory/the-death-and-rebirth-of-vulnerability-management/

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