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Claus Cramon Houmann@hack.lu

@claushoumann.mastodon.social.ap.brid.gy
33 followers 4 following 1.1K posts

Infosec Librarian @BSidesLuxembourg co-organizer. Forgetter of things. But never knew much to begin with. #OpenTIDE, #DetectionEngineering #IamTheCavalry #CloudSec 🌉 bridged from ⁂ mastodon.social/@claushoumann, follow @ap.brid.gy to interact

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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 13h
Here’s Dries Deporter adding 3000 likes to a cat picture. At #hacklu2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 13h
Last for #hacklu2026 day 1 is Dries Deporter, an artist coder, or coder artist with his presentation “Surveilling Politicians, Unmasking Influencers, Fake Likes and Dying Together”. Description: This talk takes you inside the technical and creative process […] [Original post on mastodon.social]
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 15h
Now @polygonben is on stage, he will be taking apart Malware and C2s here at @hack_lu ! #hacklu2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 15h
On stage now is Ferdinand Jarisch with “The Good, the Bug and the Ugly - Dissecting a USB n-Day in the Linux Kernel” at #hacklu2026 His partner isn’t here, but he’s doing fine on his own! They’re finding vulnerabilities and exploits abused by probably state […] [Original post on mastodon.social]
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 16h
Next up is a real @iamthecavalry talk, Mohamed Ouad and Bartek Górkiewicz and their research into wireless OTA glucose monitor: “Without a trust anchor” At @hack_lu #hacklu2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 16h
After the 6 lightning talks, which I did not manage to cover, my apologies, we’ve got Nicolas Diaz and Félix Aimé on stage talking about 2026.hack.lu/agenda/#session/9UHM7W threat actors hiding their activity behind Cloudflare and what you may be able to do about it.
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 19h
Last up before lunch is @tps -> who dug into the security of some products purchased by the German Bundestag -> Vidit systems. The company website used to say that they do “#surveillance” but now says “visual sensing). It has been privacywashed??? At #hacklu2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 19h
Next up is a talk on the fragility of OT devices and #otsecurity ! By Krzysztof Chudzik of (I think) CERT-PL At #hacklu2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 20h
Next up at #hacklu2026 is @Sebdraven talking about detecting and reversing #stalkerware He will be reversing and comparing three freemium families @hack_lu
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 21h
I am so getting William Gibson and “Otherland” vibes from these slides! #hacklu2026 -> @ThomasDrake keynote
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 22h
We’ve kicked off the 20th @hack_lu with a keynote from @ThomasDrake on cybersecurity in the digital age of AI-accelerated mass surveillance: “The panopticon paradox”. #hacklu #hacklu2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 19/10/2026
Ok, this is actually somewhat scary: arxiv.org/pdf/2502.17424
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 13/10/2026
Be #antifa or be fash
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 10/10/2026
Its so embarrassing @alice but I actually don’t have a set of lockpicks. I need a set for my Data East pinball machine cabinet door. Any advice?
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 29/09/2026
Folks, gather round and prepare to laugh at the stupid jester: Me. I am about to do something momentously stupid: I will partially disagree with something @HalvarFlake said. This slide is from […] [Original post on mastodon.social]
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
Last for day 1 of #vulnopticon is @jayjacobs on our understanding of, definition of and need to rethink what a vulnerability is Btw he also invented and maintains #EPSS
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
ENISA is working towards becoming a too-level root on par w CISA and MITRE says @johannesklos at #vulnopticon
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
Next at #vulnopticon is Johannes Klos of ENISA on the expanding role of ENISA in the vulnerability ecosystem
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
Jaya shares some final takeaways: At #vulnopticon And wrt Sandboxes: MAKE SURE THEY WORK, because most don’t.
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
At #vulnopticon , @JayaBaloo says you need to be able to detect at the earliest possible moment where your AI usage starts to go wrong (evil, misalignment, compromise, poisoning, etc)
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
Vulnerability identification is much higher than last year, but the exploitation is behind 2025! JayaBaloo at #vulnopticon
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
The AI vulnerability identification industry/movement needs to transform says @JayaBaloo, because how can a tiny startup like Aisle dominate 5/8 categories in this Berkeley leaderboard At #vulnopticon
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
The Jaggedness of the AI model market per country Via @JayaBaloo at #vulnopticon
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 23/09/2026
@jayabaloo is on stage at #vulnopticon to keynote with “AI innovations for vulnerability management” Exciting!
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 14/09/2026
Unbelievable! The AI hyperscalers are breaking a world of laws and should just be shut down. Great exposè by @404mediaco (another one, joining an already long list)
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 12/09/2026
My daughter drew this with a pencil. I draw stick figures still. I am in awe.
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 08/09/2026
Great marketing gimmick by @ChaserSystems ! A really shady person handed me this envelope, ran off, and disappeared. Top secret! Love it #fwdcloudseceurope
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 03/07/2026
Vive la France.
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 01/07/2026
The way to read #thewayofthewielder in style :) @SJHoodlet
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 30/06/2026
Which flag?
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 14/06/2026
RE: journa.host/@samlitzinger/116744221… Despite thia finally being something indeed, look at how AP enables bothsidesism -> no mention that Pulte HAS ZERO RELEVANT EXPERIENCE or skills. MS Media are disgusting. I regret every click.
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 27/05/2026
YAY!!! Reading to start imminently! Thanks so much @SJHoodlet
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 17/05/2026
RE: mastodon.social/@claushoumann/11658… From linkedout: Cost x13.5 estimated by CoPilot itself
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 14/05/2026
Wow!!!
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 12/05/2026
My winnings from @BSidesLuxembourg #BSidesLuxembourg2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 07/05/2026
On stage opening #BSidesLuxembourg2026 was @lucdockendorf, covering and connecting global events and conflicts and hybrid warfare to cybersecurity at #BSidesLuxembourg2026 !
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 07/05/2026
@wendynather at her best, giving a keynote! #BSidesLuxembourg2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 07/05/2026
The morning keynote speakers, @wendynather and @lucdockendorf at #BSidesLuxembourg2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 28/04/2026
Did the Luxembourg Spuerkees get pwnd? Forced 2FA pin change this morning
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 26/04/2026
Keeping a paypal account running for @BSidesLuxembourg -> difficulty level: nightmare mode. I am SO PISSED OFF and frustrated. They keep asking for the same documents again and again every few weeks, then won’t accept the same documents for the same wrong reasons. I hate you Paypal
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 28/03/2026
You’d never find an airport sign like this in any other country
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 06/03/2026
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 06/03/2026
Modern customer service:
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 04/03/2026
@fr0gger @pedrinazzim@bird.makeup 👍
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 22/02/2026
RE: infosec.exchange/@briankrebs/116108… Quite a contrast to (screenshot) from link awesomeagents.ai/news/persona-sourc…
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 11/02/2026
Now LinkedIn is blocking the word “shame” on a QT of a post with a video of Australian nazi coos beating helpless protesters #fucklinkedin
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 03/02/2026
Lol this means that vacationing in Florida is Russian roulette, even without factoring in fascist PDs and ICE/CBP
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 03/02/2026
Wow Trump met Melania at Epsteins and… read it yourself #EpsteinFiles
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 29/01/2026
In Alabama, US they’re like GO TRUMP, more of this!!
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Claus Cramon Houmann@hack.lu @claushoumann.mastodon.social.ap.brid.gy · 15/01/2026
What's with blogs and greying out text until you mouseover, forcing you to move your mouse while you read? I hate it.
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