Theodor van Nahl
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t.vannahl.it
Theodor van Nahl
@t.vannahl.it
15 followers 32 following 12 posts
Moved by IT Security and Urbanism. Professionally incompetent at using Jupyter Notebooks and Rust. (he/him)
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t.vannahl.it
Interesting, although old news - PGP is still broken by reality. So I’ll continue to wait for an openssh extension which is easy to integrate and adopted by all big vendors.
filippo.abyssdomain.expert Filippo Valsorda @filippo.abyssdomain.expert · 13d
At the gpg.fail talk and omg #39c3

You can just put a \0 in the Hash: header and then newlines and inject text in a cleartext message.

Won’t even blame PGP here. C is unsafe at any speed.

gpg has not fixed it yet.
December 28, 2025 at 10:44 PM
Reposted by Theodor van Nahl
xkcd.com
Car Size

xkcd.com/3167/
4-panel vertical comic. (1) 100 Years Ago [two people standing next to bicycle with small car nearby] PERSON 1: It’s too dangerous riding a bike with these cars around. I should get a car, too. (2) 50 Years Ago [two people between smaller car and bigger car] PERSON 2 with short hair: Small cars are less safe in collisions with larger vehicles, so I should get a bigger one. (3) Today [two people between big car and even bigger car] PERSON 1: Everyone has huge SUVs now. If I don’t get the biggest one, I’m putting my family at risk. (4) Soon [two people next to large armored car with spiked clubs attached] PERSON 2: If I don’t install more whirling spike clubs, I’ll be destroyed by all the other drivers who...
November 14, 2025 at 9:15 PM
t.vannahl.it
Honestly I know nothing about Maria Corina Machado - but it sure does help knowing there are people getting honored for democratic work and ideals. Looking forward learning more about her work.
katiephang.bsky.social Katie Phang @katiephang.bsky.social · Oct 10
“This is a movement…This is an achievement of a whole society…I am just one person.”

The beautiful humility of Venezuelan pro-democracy leader, Maria Corina Machado, the 2025 Nobel Peace Prize recipient.
October 10, 2025 at 7:48 PM
Reposted by Theodor van Nahl
evacide.bsky.social
Now is the time to stand up against the Trump administration as it tries to bully the cybersecurity community by targeting Chris Krebs. Sign on to our open letter:

www.eff.org/press/releas...
EFF Leads Prominent Security Experts in Urging Trump Administration to Leave Chris Krebs Alone
SAN FRANCISCO – The Trump Administration must cease its politically motivated investigation of former U.S. Cybersecurity and Infrastructure Security Agency Director Christopher Krebs, the Electronic F...
www.eff.org
April 28, 2025 at 7:23 PM
Reposted by Theodor van Nahl
kelseyhightower.com
When I hear people talk about deregulation, what I'm really hearing them say is: "any limitation on harming people is a limitation on profits".
December 6, 2024 at 3:38 AM
t.vannahl.it
Given all the different areas (easm, #appsec, #vulnmanagement,…) and enterprise tools in #cybersecurity it is hard to efficiently manage alerts. Anyone aware of report standard efforts above VEX and VDR? 🤔 #infosec
June 23, 2024 at 10:00 AM
t.vannahl.it
Not needing to drive for a doctors appointment or to buy that forgotten piece of butter does indeed sound like oppression to me! 🤭 I all seriousness, gosh the dependence on cars in England is one of the big things keeping me from this country I otherwise adore.
April 6, 2024 at 4:13 PM
Reposted by Theodor van Nahl
hypervisible.blacksky.app
Enumerating the potential benefits of “AI” and accidentally describing a dystopian hellscape is a whole-ass genre. www.fastcompany.com/91002501/ai-...
Take labor markets. Employers look to grades, diplomas, and certifications to gauge candidates’ suitability for roles. These are a very coarse representation of a job candidate’s abilities. An AI system with access to, for example, a student’s coursework, exams, and teacher feedback, as well as detailed information about possible jobs, could provide much richer assessments of which employment matches do and don’t make sense. One way is by enhancing voter representation. By capturing the nuances of each individual’s political preferences in a way that traditional voting systems can’t, this system could lead to policies that better reflect the desires of the electorate. For example, you could have an AI device in your pocket—your future phone, for instance—that knows your views and wishes and continually votes in your name on an otherwise overwhelming number of issues large and small.
January 2, 2024 at 4:14 PM
t.vannahl.it
Just finished Chapter 4 - and I do have to agree here. ❤️🙏
onefaintingrobin.bsky.social Elizabeth @onefaintingrobin.bsky.social · Dec 23
If there was a single video to subscribe to @nebula.tv for, it's @lindsayellis.bsky.social's 'The Ballad of John and Yoko'. Not just easily one of the best video essays of the year, but possibly one of the best video essays full stop. Certainly Lindsay's best, and that's saying a lot.
December 23, 2023 at 9:48 PM
t.vannahl.it
Me after watching the first 40 minutes of “the Ballard of John and Yoko” by Lindsay Ellis: 🤯

So great seing things put into context- loads of context. 😃
December 23, 2023 at 6:15 PM