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Blogs | INSIGHTS | August 7, 2010

Parallax Propeller P8X32A Quick Teardown

Parallax has a really neat 8 core 32 bit CPU called the ‘Propeller’.  It’s been out for a few years but it is gaining popularity.  There is no security with the device as it boots insecurely via a UART or I2C EEPROM.  None the less, we thought it was interesting to see an 8 core CPU decapsulated! One can clearly see 8 columns that appear almost symmetric (except in the middle region).  The upper 8 squares are each ‘cogs’ 512 * 32 SRAMs as described in the…

Cesar Cerrudo
Blogs | INSIGHTS | November 15, 2007

The KEYLOK USB Dongle. Little. Green. And dead before it was born!

We decided to do a teardown on a Keylok USB based dongle from Microcomputer Applications, Inc. (MAI). Opening the dongle was no challenge at all. We used an x-acto knife to slit the sidewall of the rubber protective coating. This allowed us to remove the dongle’s circuit board from the surrounding protective coating. The top side of the printed circuit board (PCB) is shown above. MAI did not try to conceal anything internally. We were a little surprised by this :(. The backside consists of two tracks…

IOActive

Arm IDA and Cross Check: Reversing the 787’s Core Network

IOActive has documented detailed attack paths and component vulnerabilities to describe the first plausible, detailed public attack paths to effectively reach the avionics network on a 787, commercial airplane from either non-critical domains, such as Passenger Information and Entertainment Services, or even external networks.

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