Explore a critical analysis of TrustZone-assisted Trusted Execution Environments (TEEs) in this 27-minute Black Hat conference talk. Delve into the vulnerabilities that have led to hundreds of successful attacks on TrustZone-based systems, causing significant damage across various sectors and platforms. Learn about innovative approaches to enhance security by implementing multiple trusted environments within TrustZone-M. Gain insights from security experts Daniel Oliveira and Sandro Pinto as they discuss potential solutions to strengthen TEEs and mitigate risks associated with TrustZone technology.