Learn more about Denial of Service from our Abuse directory

10 Proposed 'First-Aid' Security Measures Against Distributed Denial Of Service Attacks - Whitepaper detailing "easy and fast to implement methods to protect against those attacks." [PDF format]

289893 - Definition plus discussion of various types of DoS attacks and how they work

ACM: Ubiquity - Distributed Denial-of-Service Attacks - Article by M. E. Kabay about the effect of DDoS attacks on major e-commerce sites

CERT Advisory CA-2000-01 - Denial of Service developments including description

CERT Incident Note: DoS Attacks Using Nameservers - Description of how intruders are using nameservers to execute packet flooding denial of service attacks.

Cisco - Strategies to protect against distributed denial of service (DDoS) attacks. This article applies primarily to sites using Cisco equipment.

DDOS Class Action Lawsuit - Organization and discussion of class-action lawsuits by victims of DDOS attacks.

DDoS Detection research (IDS - An academic research paper on DDoS detection including attack simulation based on TFN2K

DDoS Is Neither Dead Nor Forgotten - How DDoS attacks have developed over the past year

DDoS World - Knowledge base: including news articles

Defying Denial of Service Attacks - Discussion of the main DoS methods and how to protect your PCs and servers from them. [NetworkMagazine.com]

Denial of Service (DoS) on the Internet - Academic paper and slides on Denial of Service attacks.

Denial of Service (DoS) Resource Page - Collection of articles and links about Denial of Service attacks

Denial of Service Database - Details of many attacks: categorized by platform affected and using OSAT notation. No longer updated.

Denial of Service Help Page - Advice for victims of Denial Of Service Attacks

Distributed Denial of Service (DDoS) Attacks and Tools - A bibliography of recent papers and advisories on DDoS attacks and tools

Distributed Denial of Service Attacks - A DDOS exploit multiplies the disruptive power of denial of service attacks. The article discusses methods used and how to detect them. [NetworkMagazine.com]

DoShelp.com - Tools and patches to protect a person's computer from hackers

GCN.com: How to Stop a Service Denial Attack Before It Stops You - Shawn P. McCarthy provides a quick overview of various kinds of DDOS attacks. He also explains why defending against this type of attack requires upstream infrastructure providers to cooperate with the victim.

GRC.com: Denial of Service Investigation and Exploration Pages - Analysis and investigation of the DoS threat posed by Windows XP

Hacking the DoS - An interview on hacking and denial of service attacks with Brian Martin and David Dittrich. Available in text and various forms of audio.

Internet Storm Center - Slammer Worm Analysis - Detailed analysis of the Slammer worm responsible for recent widespread denial of service activities

Magnification Attacks: smurf and fraggle - Security whitepaper describing some common magnification attacks

Microsoft Windows Update - Latest bugfixes for Microsoft Windows

National Infrastructure Protection Center (NIPC) - The National Infrastructure Protection Center (NIPC) serves as a national critical infrastructure threat assessment

Netscan.org - Public service which proactively scans for networks acting as smurf amplifiers.

Network Ingress Filtering - A simple

Red Hat Linux General Security Advisory - Updated bind packages fixing DoS attack.

Rev. Steve Winter - Documentation of alleged computer crimes

Riverhead Networks - Offers managed products and services for DDoS mitigation and detection.

Sans Institute Global Incident Analysis Center - Special notice and analysis of Rootkit/Smurf Payload Toolkit v 1.1.

Smurf Attack Information - White paper describing and giving information on how to minimize the effects of smurf attacks.

Stacheldraht Analysis - An analysis of "stacheldraht"

The NoCeM Registry - Information on NoCeM issuers

Tools Stunt DoS Attack - InternetWeek article written in the aftermath of the Denial of Service attack on Microsoft's domain name servers discusses various ways to combat these tactics.

Trinoo Analysis - An analysis of the DoS Project's trin00 master/slave programs

Webscreen Technology - Offers filtering appliances with DDoS mitigation features.

Zombie Zapper - Free