Xeno's work at OST2 (and the former OST[1]) is upper class.

Over the years I've consulted these trainings as general reference and as formal training for myself. This allowed me to get jobs in hypervisors, kernel and platform security for the biggest cloud provider.  Later on It enabled me to move to devices security where things got more lower level and exciting.

Thanks for keeping knowledge free and accessible, for me that's what being a hacker means. 

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