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Not too long ago, Jenna Bilotta wrote an excellent article called, How designers and engineers can play nice¹, in which she talks about ways for designers and engineers to work more productively. Having faced similar challenges working with designers (and also working with engineers, when I was on the UI side), I appreciate the pragmatic approach she suggests. It always helps to respect the other role’s process and understand their thinking when working together.

One of her points for engineers was not to say “no” so quickly. That one stuck with me for a while and swam around in my head. My first reaction was, “but you don’t understand why we say no!” And a million other defensive thoughts soon joined in the party. She is right, of course. We do say “no” very quickly, not just to designs, but to everything. That led me into thinking about the psychology of software engineers and what makes us the way we are. [mehr…]

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Man kann jetzt die Regentropfen anderer Benutzer in einer Wolke anschauen und denen das Wasser abschöpfen.

Meltdown und Spectre.

Zentralisierung und Clouds sind fürn Arsch. Haben wirs nicht gesagt?

The whole idea of running code from different trust zones on the same execution engine is dead. Forget about multi-user, forget about open systems, forget about shared tenancy clouds. Our industry is bitten by its ignorance of fundamental security principles.

What strikes me, though, is that our systems are running on the presumption from when computers were invented, that computers are expensive. All systems are architected around that presumption, and on the belief that it is even possible to compartmentalize running programs within one shared machine. There is no reason for that.

There is also no good, contemporary reason for the complex virtual memory architectures that we’re all using today, which were created to address the problem that memory was expensive. These virtual memory architectures are what the current incidents are about. This needs to stop. Computing needs to be re-thought. We need to have simple security models that can be completely analyzed and verified at any point in time, which requires architectures that allow such analysis. I’m not talking a fixed re-release of our current CPUs, which will only lead us to the next catastrophy. I’m talking redesign systems from the ground up. One great example of this is the Enigmabox.

(Source)

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Anhand von Anekdoten aus 20 Jahren Softwareentwicklung versucht der Vortrag herauszuarbeiten, was in der Praxis zu scheiternden Projekten führt.

Es geht nicht um Programmierfehler, sondern um Fehler in der Herangehensweise, den Prozessen und falschen Anreizen.

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Wie man einen Private Key aus einem verschlüsselten Text extrahiert, wenn man nur einen Teil des Geheimnisses kennt, aber nicht alles. Möglich durch finden der kürzesten Vektoren mit Hilfe von LLL()-Magie und Lattich. Mathematik spätabends, wie gewohnt leichtbekömmlich serviert.

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Wanzen aufspüren mit Software Defined Radio.

Salamandra Spy Microphone Detection Tool

Salamandra is a tool to detect and locate spy microphones in closed environments. It find microphones based on the strength of the signal sent by the microphone and the amount of noise and overlapped frequencies. Based on the generated noise it can estimate how close or far away you are from the microphone.

Fazit:

• Mikrofone verstecken ist schwierig.
• Den geeigneten Ort finden ist schwierig.
• Mithören ist schwierig.
• Das Aufspüren ist schnell und einfach.

Prima!

github.com/eldraco/Salamandra

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Caleb James DeLisle darüber, wie im Internet die Moral vor dem Gesetz Vorrang hat. Was gesellschaftlich akzeptiert ist, wird im Netzwerk akzeptiert und geroutet. Das erklärt, warum The Pirate Bay und Wikileaks dem massiven rechtlichen Druck widerstehen.

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Hacker des Chaos Computer Clubs (CCC) haben eine in mehreren Bundesländern zur Erfassung und Auswertung der kommenden Bundestagswahl verwendete Software auf Angriffsmöglichkeiten untersucht. Die Analyse ergab eine Vielzahl von Schwachstellen und mehrere praktikable Angriffsszenarien. Diese erlauben die Manipulation von Wahlergebnissen auch über die Grenzen von Wahlkreisen und Bundesländern hinweg. Die untersuchte Software „PC-Wahl“ wird seit mehreren Jahrzehnten für die Erfassung, Auswertung und Präsentation von Wahlen auf Bundes-, Landes- und Kommunalebene eingesetzt.

Inklusive Abschlussfeuerwerk für schnelle Grafikkarten.

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