What is a denial of service attack?

• Denial-of-service attack Wikipedia
• Denial-of-Service Computer Knowledge
• Security Expert Dave Dittrich on DDoS Attacks Slashdot.org
• Denial of Service Attacks CERT® Coordination Center
• What is a Distributed Denial of Service (DDoS) Attack and What Can I Do About It? Larry Rogers CERT® Coordination Center
• Denial of Service Attack pulhas.org
• Distributed Denial of Service (DDoS) Attacks/tools David Dittrich
• How a "denial of service" attack works CNET News.com Staff
• Trends in Denial of Service Attack Technology Kevin J. Houle, George M. Weaver, Neil Long, Rob Thomas CERT® Coordination Center
• Book: Internet Denial of Service: Attack and Defense Mechanisms Jelena Mirkovic, Sven Dietrich, David Dittrich, Peter Reiher

Preventive Measures

• Defining Strategies to Protect Against TCP SYN Denial of Service Attacks Cisco Systems
• NC State Expert Develops Program to Trace Web Site Attacks NC State
• Cisco Distributed Denial of Service Protection Solution: Leading DDoS Protection for Service Providers and Their Customers Cisco Systems
• Denial of Service and Distributed Denial of Service Protection 3Com
• Tools to Help Prevent DoS Attacks Packet Storm
• How to stop a service denial attack before it stops you Shawn P. McCarthy GCN.com

Notable Denial of Service Attacks

• Video: Can the Internet combat DDoS attacks? CNET News.com
• Video: Hackers seize opportunity to attack Microsoft CNET News.com
• Video: The surge of Code Red CNET News.com
• Academics break the Great Firewall of China Tom Espiner
• New denial-of-service threat emerges Dawn Kawamoto
• Cops smash 100,000 node botnet Tom Sanders vnunet.com
• DoubleClick blacks out from Web attack Jim Hu ZDNet News
• Hackers cut off SCO Web site Martin LaMonica CNET News.com
• ISP run out of business by DOS attacks geek.com