Tjaden Hess, a Principal Security Engineer at Trail of Bits specializing in cryptography and cryptocurrency exchange security, joins the discussion on recent cybersecurity events. He highlights the alarming breach at Oracle, casting a critical eye on their lack of transparency regarding the exposure of sensitive health data. Hess also emphasizes the essential practices for secure cryptocurrency exchanges, particularly the importance of cold wallets, and contrasts these with the vulnerabilities revealed in the Bybit incident. The conversation paints a vivid picture of the cybersecurity landscape's ongoing challenges.