Denial of Service Attacks ( Distributed Denial of Service Attacks, Teardrop Attacks, Denial of Service Prevention, DOSA, Packet Monkey, Attacks, DDoS Attacks, DNS Attacks, Smurfing, Denial-of-service Attack, D o S Attacks, DoS Attacks, and Smurf) Definition

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May 17, 2008

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Denial of Service Attacks

-- 11 Vendor Reports | 9 Products

ALSO CALLED: Distributed Denial of Service Attacks, Teardrop Attacks, Denial of Service Prevention, DOSA, Packet Monkey, Attacks, DDoS Attacks, DNS Attacks, Smurfing, Denial-of-service Attack, D o S Attacks, DoS Attacks, and Smurf
DEFINITION: On the Internet, a distributed denial-of-service (DDoS) attack is one in which a multitude of compromised systems attack a single target, thereby causing denial of service for users of the targeted system. The flood of incoming messages to the target system essentially forces it to shut down, thereby denying service to the system to legitimate users.

A hacker (or, if you …
Definition continues below.

Recent Vendor Reports on Denial of Service Attacks
Fact or fiction: Am I a bot or not? sponsored by MessageLabs PODCAST: Posted: 13 May 2008 \| Premiered: 13 May 2008 SUMMARY: The increasing volume and sophistication of phishing, Trojans, and botnets requires a proactive approach to message security. Check out this expert Security School for tips on effectively securing your company against email-based attacks. TOPICS: Denial of Service Attacks \| Email Security \| Phishing \| Spam \| Trojan Horses

The insidious threat of spear phishing sponsored by MessageLabs VIDEOCAST: Posted: 13 May 2008 \| When: 13 May 2008 SUMMARY: Phishing began as a nuisance, little more than a new kind of spam. But it has grown to be one of the greater threats to enterprise security and privacy on the landscape. TOPICS: Denial of Service Attacks \| Email Security \| Phishing \| Spam \| Trojan Horses

Security Best Practices for Enterprise VoIP sponsored by Sipera Systems WHITE PAPER: Posted: 25 Feb 2008 \| Published: 01 Sep 2007 SUMMARY: This white paper details security best practices for Enterprise VoIP implementation and use. TOPICS: Data Security \| Denial of Service Attacks \| Intrusion Prevention \| Messaging Security \| Remote Access Security \| Remote Users \| Security Best Practices \| Unified Messaging \| Virus Protection \| VoIP \| Vulnerability Assessments

The Cybercrime Arms Race sponsored by Kaspersky Lab WHITE PAPER: Posted: 18 Feb 2008 \| Published: 01 Feb 2008 SUMMARY: Read this white paper and find out how cybercrimes have become so pervasive and how these sophisticated attacks work. Discover today's cybercrime techniques and how to recognize them. TOPICS: Computer Crimes \| Cybersecurity \| Cyberterrorism \| Denial of Service Attacks \| Fraud Protection \| Internet Security \| Intrusion Detection \| Intrusion Prevention

Network Behavior Analysis: How Well does it Really Work? sponsored by Sourcefire WHITE PAPER: Posted: 20 Nov 2007 \| Published: 01 Nov 2007 SUMMARY: What distinguishes one Network Behavior Analysis (NBA) product from another? How important is NBA to your network security strategy? This paper helps answer these questions and eliminates potential confusion by clearly establishing what NBA entails. TOPICS: Data Security \| Denial of Service Attacks \| Information Security \| Integrated Threat Management \| Intrusion Detection Systems \| Intrusion Prevention Systems \| Network Traffic Analysis \| Network Traffic Management \| Vulnerability Management

Targeted Cyber Attacks sponsored by GFI Software Ltd. PRODUCT LITERATURE: Posted: 25 Jun 2007 \| Published: 25 Jun 2007 SUMMARY: Cyber attack is the name given by (usually sensationalist) articles and documents describing crimes that occur in a virtual world as opposed to tangible attacks such as war. TOPICS: Denial of Service Attacks \| Hackers \| Passwords \| Security

Under Fire sponsored by CIO Decisions JOURNAL ARTICLE: Posted: 06 Jun 2007 \| Published: 01 Jun 2007 SUMMARY: Despite the same old budgets and resources, midsized companies have to contend with new and more complex security attacks. Here's how a few are rising to the challenge. TOPICS: Access Control \| CISOs \| Denial of Service Attacks \| Information Security \| Internal Threats \| Physical Security \| Regulatory Compliance \| Security Event Management

So Long Script Kiddies sponsored by Information Security Magazine JOURNAL ARTICLE: Posted: 13 May 2007 \| Published: 01 May 2007 SUMMARY: As thrill seekers fade away, organizations must contend with skilled attackers wielding sophisticated, stealthy tools in their drive to steal data for financial gain. TOPICS: Denial of Service Attacks \| Information Security \| Malware \| Phishing \| Web Browsers

Klocwork Developer for Java (KDJ) sponsored by Klocwork TRIAL SOFTWARE: Posted: 26 Jan 2007 \| Published: 01 Jan 2007 SUMMARY: Development teams are asked to write complicated code, more quickly, and with no security vulnerabilities. Download Klocwork Developer for Java, a developer tool that provides automated source code analysis and improve the security of your code. TOPICS: Access Control \| Application Life-Cycle Management \| Application Life-Cycle Management Software \| Application Security \| Denial of Service Attacks \| Hackers \| Java \| Secure Application Development \| Security Threats \| Software Development Life-Cycles \| Software Testing \| Source Code Control \| Source Code Control Software \| Vulnerability Assessments

SecurityMetrics Appliance Overview: Correlated Intrusion Detection and Vulnerability Assessment with Intrusion Prevention sponsored by SecurityMetrics PRODUCT OVERVIEW: Posted: 09 Mar 2004 \| Published: 01 Jan 2004 SUMMARY:The SecurityMetrics Appliance is an integrated hardware and software solution starting from $5,999. It provides advanced Intrusion Detection and Intrusion Prevention functionality that analyzes your network traffic and automatically stops attacks 24x7. TOPICS: Denial of Service Attacks \| Intrusion Detection \| Intrusion Prevention \| Network Security Appliances \| Virus Protection \| Vulnerability Assessments

View All Denial of Service Attacks Vendor Reports »

DENIAL OF SERVICE ATTACKS DEFINITION (continued): … prefer, cracker) begins a DDoS attack by exploiting a vulnerability in one computer system and making it the DDoS "master." It is from the master system that the intruder identifies and communicates with other systems that can be compromised. The intruder loads cracking tools available on the Internet on multiple -- sometimes thousands of -- compromised systems. With a single command, the intruder instructs the controlled machines to launch one of many flood attacks against a specified target. The inundation of packets to the target causes a denial of service.

While …
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