DEF CON Generative AI Hacking Challenge Explored Cutting Edge of Security Vulnerabilities

Data from the human vs. machine challenge could provide a framework for government and enterprise policies around generative AI. Continue reading DEF CON Generative AI Hacking Challenge Explored Cutting Edge of Security Vulnerabilities

Debating Office 365 Robustness and Stability


In yesterday’s MJFChat, Mary-Jo Foley and I discussed the stability and robustness of Office 365 among other topics. The transcript is now online for your reading pleasure, but you might want to opt for the recording instead, if only because my frequent use of “Uh” and “Um” might be less noticeable.

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How Stable is Office 365? Can I Trust the Cloud?


Microsoft says Office 365 is stable, secure, and trustworthy. But then something happens to make people less sure that Office 365 really is what Microsoft says it is. To see if we can resolve some of the doubts in peoples’ minds, Mary-Jo Foley is going to question me about some of the seamier sides of Office 365 on March 4. The audio and transcript will be available soon afterwards.

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Bulking up a Lightweight Lathe with a Concrete Cart

When it comes to machine tools, a good rule of thumb is that heavier is better. A big South Bend lathe or Bridgeport mill might tip the scales at ludicrous weight, but all that mass goes to damping vibration and improving performance. So you’d figure a lathe made of soda cans could use all the help is could get; this cast concrete machine cart ought to fit the bill nicely

Perhaps you’ve caught our recent coverage of [Makercise]’s long and detailed vlog of his Gingery lathe build. If not, you might want to watch the 5-minute condensed video of the …read more

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3D Printed Rockets are a Gas

We’ve probably all made matchstick rockets as kids. And around here anything that even vaguely looks like a rocket will get some imaginary flight time. But [austiwawa] is making some really cool 3D printed rockets that use common CO2 cartridges as a propellant. You can see them in action in the video below.

You might think just sticking a CO2 cylinder in a 3D printed jacket isn’t such a big deal, but [austiwawa] really went the extra mile. He read up on how to make the rocket stable (by manipulating the center of gravity versus the center of pressure) and …read more

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