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39c3 2025

We have a winner!
cha made me wave in 18h 32m 26s.
Thank you very much!

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Thanks to all who attended our talk!

The cat's out of the bag now — we're currently testing DAPNET 2.0 at !

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Vorsicht beim … die Warnungen vor Glätte sind dieses Mal echt berechtigt!
Nicht das es euch kalt erwischt!

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While you are trying to teach your students the many pitfalls and flaws of the PKI certificate system and to understand how authenticity (and thus secrecy) of communication can be threatened, 65% of the biggest apps in China, 13% of the apps in the google store simply use "encode-to-plaintext" as the fundamental communication protection. And a large portion of the companies that bother at all and are maybe not actively circumventing the protection that TLS might provide, are rolling their own crypto.

As if "Don't roll your own crypto!" is not the first and most often repeated recommendation in all classes that even barely touch the topic. Even — or especially — if you do not understand the reason behind it, you should be able to adhere to this one recommendation.

Very disturbing presentation by Mona Wang at the . Sadly it has not been recorded, but I am sure you'll find her papers.

fahrplan.events.ccc.de/congres

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Careful when entering Foyer from lecture or assembly halls!
Strong evil day star activity

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SCHRITTWEISE ENTMÜNDIGT!!!11eins-elf

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Kann uns wer für unseren Workshop morgen Abend bei den einen HDMI-zu-USB-C-Adapter leihen?

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Barrierefreiheit in der Praxis. Eine Teppichspur gegen Glatteis vor dem . Aber die Leithilfe für Sehbehinderte bleibt frei.

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