MARKUS JAKOBSSON, PhD, is Principal Scientist for Consumer Security at PayPal. He is the founder of the security startups RavenWhite and FatSkunk and has held positions at Palo Alto Research Center, RSA Laboratories, and Bell Labs. The editor of RSA's technical newsletter CryptoBytes, Dr. Jakobsson holds numerous U.S. patents, has published more than 100 articles, and authored and edited several books, including Phishing and Countermeasures: Understanding the Increasing Problem of Electronic Identity Theft (Wiley). He has been interviewed on the subjects of phishing and crimeware on NPR, BBC, and other high-profile media outlets.