Jay Beale is an information security specialist, well known for his work on mitigation technology, specifically in the form of operating system and application hardening. He's written two of the most popular tools in this space: Bastille Linux, a lockdown tool that introduced a vital security-training component, and the Center for Internet Security's Unix Scoring Tool. Both are used worldwide throughout private industry and government. Jay has served as an invited speaker at a variety of conferences worldwide, as well as government symposia. He's written for Information Security Magazine, SecurityFocus, and the now-defunct SecurityPortal.com. He has worked on four books in the information security space. Three of these, including the best-selling Snort 2.1 Intrusion Detection (Syngress, ISBN: 1-9318360-43-) make up his Open Source Security Series, while one is a technical work of fiction entitled Stealing the Network: How to Own a Continent (Syngress, ISBN: 1-931836-05-1).