29m - Tech leaders need a fundamental understanding of the business uses of cryptography and the common problems associated with using crypto. In this course, Cryptography: Executive Briefing, you will gain the foundational knowledge needed to understand where and how cryptography should be used. First you'll discover how cryptography can guarantee the integrity of a message, the identity of the originator and the secrecy of a message or file. Next, you'll learn at a high level (there's no mathematics) about the role of cryptographic keys and the two different types of cryptography. Finally, you'll discover the three ways how cryptography is defeated by attackers and how to prevent this happening.