Bots: How to Detect and Prevent Them is a concise overview of the malicious behavior and threats posed by Bots to Internet and network security. Bots are automated software programs used to browse the web or other network systems, scraping information from the sites visited and in some cases, conducting malicious attacks such as denial-of-service attacks. Though Bots have been around for a long time, the security threats from Bots is evolving daily, and this brief volume will present the most current threats, detection techniques, and defenses for these attacks.