Josh is an embedded systems engineer, security researcher and former submarine officer. Josh is best known for his part in the NSA Playset research, as well as his research into the security of cryptocurrency hardware wallets. Josh is the founder and head of (Cryptotronix)[https://cryptotronix.com], an embedded security consultancy Cryptotronix whose public contributions include Open Source Hardware cryptographic modules. Cryptotronix helps clients architect and design embedded systems and integrate secure elements into their products.
Josh also authored BeagleBone for Secret Agents.