Businesses worldwide suffer the impact from network worms and bots. Over the last 5 years, mobile malicious code has seen a tremendous evolution in sophistication and distribution. Worms that ravaged the Internet years ago are still roaming, infecting new machines as they come online. Malicious bot nets wreak havoc by compromising systems, stealing financial information and rendering web services unavailable through denial of service attacks. This advanced one-day course examines techniques and strategies for detecting, preventing, and mitigating the damage from these Internet-borne threats.