Profile

Joe Grand, also known as Kingpin, is a computer engineer, hardware hacker, occasional YouTuber, creator of the first electronic badges for DEFCON, member of L0pht Heavy Industries, and former technological juvenile delinquent.
Achievements
- Original member of L0pht Heavy Industries, the collective that testified before the United States Senate in 1998 on critical digital infrastructure vulnerabilities.
- Founder of Grand Idea Studio, an engineering consultancy specializing in hardware design, electronic product development, and security research.
- Frequent speaker at DEF CON, one of the world’s most influential cybersecurity conferences.
- Recognized for public research involving the recovery of locked cryptocurrency wallets using advanced hardware hacking techniques.
Main Track
Reverse Engineering a Ledger Nano X Hardware Implant
Hardware espionage involves intentionally compromising the integrity or modifying the functionality of an electronic product in a way that is beneficial to the attacker. Techniques like supply chain attacks and hardware implants are often discussed, but rarely seen in the wild. In this presentation, Joe explores the history of hardware espionage and details his reverse engineering process of a newly discovered hardware implant inside of a Ledger Nano X cryptocurrency hardware wallet.
**Please be informed that this session will be held in English.