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An ice-cold Boot to break BitLocker

An ice-cold Boot to break BitLocker
By Olle Segerdahl & Pasi Saarinen

A decade ago, academic researchers demonstrated how computer memory remanence could be used to defeat popular disk encryption systems. Not much has happened since, and most seem to believe that these attacks are too impractical for real world use. Even Microsoft have even started to play down the threat of memory remanence attacks against BitLocker, using words such as “they are not possible using published techniques”. We will publish techniques that allow recovery of BitLocker encryption keys from RAM on most, if not all, currently available devices. While BitLocker is called out in the title, the same attacks are also valid against other platforms and operating systems.

Olle is a veteran of the IT-security industry, having worked with both “breaking” and “building” security solutions for almost 20 years. During that time, he has worked on securing classified systems, critical infrastructure and cryptographic products as well as building software whitelisting solutions used by industrial robots and medical equipment. He is currently the Swedish Principal Security Consultant with F-Secure’s technical security consulting practice.

Pasi is an experienced security researcher with a background in both software and network security. In previous employment he has worked on a modern framework for white-box fuzz testing of binaries and security standardization of the 5G mobile network. While he has a very Finnish name, he plays for team Sweden in F-Secure’s technical security consulting practice.

 

https://www.sec-t.org/talks/

 

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