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Another Chinese backdoor that isn’t
On Thursday (Oct 4 2018) Bloomberg claims to have been informed of widespread modifications of server hardware made by Super Micro, a company that manufacturers their hardware in China. Amazon, Apple and now the US DHS and UK GCHQ have refuted their claims. Most of the claims made by Bloomberg’s intelligence sources appear to come from a […]
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A Terrorists Phone and Phantom Wipe
Update2: Apple responded to a request for clarification in a rather noncommittal manner. Until they clarify or until I have a chance to test the attack I would assume it effects the current iPhone 6 hardware and possibly the to-be-released iPhone 7 hardware as well. Update: This was published only a few days before the news […]
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Embedded Analysis CCC Wiki
I revived the Embedded Analysis wiki entry from 2010 and updated it for the 2014 31C3. The updated version includes some additional information: Finding JTAG by hand Based on the electrical characteristics of contact points on a target PCB one can either reduce the number of pins required for brute force scanning with JTAGEnum or […]
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Speaking at ECRYPT in Bochum Sep 3-7
I will be speaking on Embedded Security at the ECRYPT. I will be around for the duration of the conference and the workshops and will be happy to find people to collaborate with. See you there?
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Backdoor Silicon FUD
Update 10/06/12: Another response from CAM gives more detail of the feature in question and claims Microsemi do not inform their customers of the fuse that disables the Internal Test mode. Microsemi implied that they do. Questions rest there. To those aware of the “backdoor silicon” paper episode I’ll summarize it in one run-on sentence: Someone mistakes undocumented JTAG instructions […]
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Speaking at REcon in Montreal, Jul 8-10
Update: video online (src). From a talk on hardware embedded analysis at REcon on the 10th of July. In addition to some of the information I’ve presented before, as well as some updates, myself and photographer Hanna Fuhrmann spent the better part of a couple months prior working on making the documentation of these techniques and tools more digestible […]
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