Jack Koziol is president and founder of Infosec, a leading security awareness and anti-phishing training provider. With years of private vulnerability and exploitation development experience, he has trained members of the U.S. intelligence community, military and federal law agencies. His extensive experience also includes delivering security awareness and training for Fortune 500 companies including Microsoft, HP and Citibank. Jack is the lead author of The Shellcoder’s Handbook: Discovering and Exploiting Security Holes. He also wrote Intrusion Detection with Snort, a best-selling security resource with top reviews from Linux Journal, Slashdot and Information Security Magazine. Jack has appeared in USA Today, CNN, MSNBC, First Business and other media outlets for his expert opinions on information security.