CPU

InfoSec Week 37, 2018

Tesla model S is using a 40bit challenge response scheme broken back in 2005. Researchers stole a car in ~6 seconds with precomputed tables.

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InfoSec Week 24, 2018

Yet another high severity attack against the Intel CPUs. Unpatched systems can leak SIMD, FP register state between privilege levels. These registers are used for private keys nowadays. The cost of a patch is more expensive context switches because the fix has to unload and reload all SIMD, FP state.

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InfoSec Week 13, 2018

The city of Atlanta government has become the victim of a ransomware attack. The ransomware message demanding a payment of $6,800 to unlock each computer or $51,000 to provide all the keys for affected systems. Employees were told to turn off their computers.

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