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DDoS (distributed denial of service)

Distributed denial-of-service attacks are ones in which the hacker plants malicious code on numerous, scattered and usually unwitting, servers.

Those servers, known as zombies then flood a single IP address with packets so it is driven offline, unable to handle the volume.

Also see reflective DDoS attack.

Additional resources

Breaking distributed denial-of-service news
Latest news from Network World.

Denial of service: Fighting back
Review: Test shows there are several varied, viable options that help defend your network against attacks. Network World, 09/02/02.

Fighting DDoS
Seven-part series by security expert M. E. Kabay.

Security research center
Latest security news, analysis and newsletters from Network World Fusion.


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Cisco - Cisco 2009 Annual Security Report
The Cisco 2009 Annual Security Report provides an overview of the combined security intelligence of the entire Cisco organization, with research, analysis and recommendations provided by Cisco security experts. The report encompasses threat information and trends collected throughout 2009, examines the state of security for that period, and predicts security trends for 2010.


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