How Traditional Security Failures Enable Billion-Dollar Crypto Heists, Simeon Nguen | ETHSofia 2025

Sun, Nov 2, 2025, 12:00 AM

Examining North Korea's evolution from basic cyber attacks to sophisticated billion-dollar heists. Learn how their cross-industry tactics, techniques, and procedures - proven effective in various sectors from banking to defense - are now targeting crypto infrastructure, and why traditional security fundamentals still remain important even in the blockchain ecosystem. Security architect at Commerzbank Crypto Custody with extensive offensive security experience. Former penetration tester who now designs defenses against malicious threat actors targeting blockchain infrastructure. This video was recorded during the ETHSofia Conference and Workshops - September 24-25th, 2025. ETHSofia is Bulgaria’s premier crypto event exploring Ethereum technology and blockchain innovation. In 2025, it’s set to unite builders, founders, researchers, investors, and crypto enthusiasts to collaboratively shape the future of Web3. For more information visit our website. Links in our channel. #DeFi #ETHSofia #commerzbank