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Otmar Lendl

@otmar@infosec.exchange
  • Open on infosec.exchange

ISP veteran.
Built up CERT.at.
National and international CSIRT liaison for CERT.at

Private Blog is here: https://lendl.priv.at

0 Followers
0 Following
21 Posts
Joined November 06, 2022
Website:
https://lendl.priv.at/

Posts

Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Jul 28, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @pluralistic@mamot.fr
@pluralistic@mamot.fr I experienced the same effect with news articles: If you don't know much about a subject, then the journalist sounds reasonable and well informed, but if the article is about your core competency, then you notice where the journalist was sloppy. The depressing part is that the other articles are likely not better, but you just don't spot the mistakes.
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Jul 28, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @jenyetagain.bsky.social@bsky.brid.gy
@jenyetagain.bsky.social We always joked that computers do what you tell them to do, and not what you want them to do. This still holds true: just because I can now formulate instructions to the LLM in English, it doesn't guarantee that the system can understand my intention with all implied constraints.
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Jul 27, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
"Open weights compress margin at the model layer and move value to the infrastructure layer. Simply speaking it is getting very hard to justify high prices for LLM APIs and the infrastructure becomes much more important." https://msukhareva.substack.com/p/is-kimi-k3-really-distilled-from I see no chance that OpenAI/Anthropic will be able to pay back their debt if they can't stay miles ahead of open models.
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Jun 19, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
FYI: durch den Brand auf der Floridsdorfer Brücke (Siehe https://wien.orf.at/stories/3359189/) sind auch Glasfasern unterbrochen worden. Es zeigt sich gerade, wer in redundante Leitungen investiert hat.
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · May 17, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @vautee@chaos.social
@vautee@chaos.social @skoops@skoops.social überrascht?
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · May 02, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

Almost 10 years old: https://medium.com/message/everything-is-broken-81e5f33a24e1

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 23, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

I just read https://philpapers.org/rec/LERTAF

I have a really hard time reading philosophical reasoning. Nevertheless, for me, there are a number of red flags in the text. I cannot support the conclusion of the author.

What do you all think?

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 22, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @CERT_at@ioc.exchange
@CERT_at@ioc.exchange See also https://www.cert.europa.eu/blog/ai-vulnerability-discovery-defenders-must-adapt
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 20, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

Triggered by reading my slides from last year:

What happened with the minerals deal that Trump so desperately wanted from Ukraine last year?

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 18, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

Ich trage am Dienstag in Salzburg zum Thema "Lawful Access to encrypted data" vor.

https://cccsbg.at/blog/2026/04/10/VortragOtmarLendl.html

cccsbg.at

Lawful access to encrypted data - UPDATE

Update, 2026-04-15 Unser Hackspace hat nur eine begrenzte Kapazität für Personen, um es besser abschätzen zu können, wie viele Interessierte Otmars Vortrag ...

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 18, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @rrb@infosec.exchange
@rrb @cstross @mitch @lasagne @pluralistic like Pepe?
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 13, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

A lot of what the author writes also applies to me. I really should do more puzzles.

https://www.theguardian.com/lifeandstyle/2026/apr/13/world-noise-jigsaw-puzzling-helped-calm-mind

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 07, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

Is it already time to start calling Trump the American Führer?

Or should we wait until he decides to order more explicit war-crimes?

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 01, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

“The point is that we are all capable of believing things which we know to be untrue, and then, when we are finally proved wrong, impudently twisting the facts so as to show that we were right. Intellectually, it is possible to carry on this process for an indefinite time: the only check on it is that sooner or later a false belief bumps up against solid reality, usually on a battlefield.”
― George Orwell

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Apr 01, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

Via Krugman: https://www.bloomberg.com/graphics/2026-opinion-hegseth-culture-wars-are-inviting-military-disaster/

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Mar 22, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @Jer@chirp.enworld.org
@Jer @cstross @isaackuo and now Trump is trying to out-escalate religious fanatics whose fetish is martyrdom. Ain't going to work.
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Mar 18, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

I'm not sure I fully agree with the premise of this paper, but the historical review of the LE vs. Encryption debate is really helpful:

https://arxiv.org/html/2603.00841v1

arxiv.org

Security Is Not Enough

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Mar 07, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @tsturm@famichiki.jp
@tsturm I wrote my first lines of Basic on a ZX81. Long, long time ago.
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Jan 30, 2026
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange

The report from CERT.PL covering the attacks on the Polish energy system is finally available:

https://cert.pl/en/posts/2026/01/incident-report-energy-sector-2025/

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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Jan 22, 2023
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @brodnig@mastodon.social
@brodnig im Kontext TikTok lesenswert von Cory Doctorow: https://pluralistic.net/2023/01/21/potemkin-ai/#hey-guys
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Open post
otmar
Otmar Lendl @otmar@infosec.exchange · Nov 17, 2022
Otmar Lendl
@otmar@infosec.exchange

ISP veteran. Built up CERT.at. National and international CSIRT liaison for CERT.at Private Blog is here: https://lendl.priv.at

infosec.exchange
Replying to @HatTheButcher@mastodon.social
@HatTheButcher@mastodon.social Has your kid just received a driver’s license?
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