Cryptography is hard, sure. Important? Absolutely. Let's explore the fascinating and sometimes funny history of modern cryptography, from the high-stakes race of World War II code-breakers to the modern political war over the right to encrypt. We'll examine the current landscape of secure communication and take a peak at the not-too-distant future. And of course, you'll come away with practical advice and guidance on not only how to build more secure systems, but how to identify potential weaknesses and correct them.