Crypto-Gram is a free monthly e-mail newsletter from security expert Bruce Schneier, with over 100,000 readers. Each issue is filled with interesting commentary, pointed critique, and serious debate about security. As head curmudgeon at the table, Schneier explains, debunks, and draws lessons from security stories that make the news. This is the audio version of the Crypto-Gram Newsletter, and is read by Dan Henage.