Explore the critical role of cryptography in modern IT security through this 43-minute LASCON conference talk. Delve into the vulnerabilities of cryptographic systems, from algorithms and protocols to software implementations and applications. Gain practical insights on proper cryptography usage in software and systems, based on extensive research and real-world experience. Learn concrete do's and don'ts for implementing cryptographic algorithms, equipping yourself with essential knowledge to enhance the security of your applications and solutions in today's interconnected digital landscape.