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| Nov 8, 2009 |
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IT Management >
Systems Operations >
Security >
Network Security >
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Denial of Service Attacks
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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 prefer, cracker) begins a DDoS
Definition continues below.
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Denial of Service Attacks Multimedia
(View All Report Types)
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2 Matches
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This Month in the Threat Webscape -- August 2009
sponsored by Websense, Inc.
VIDEO:
The Websense Security Labs Team provides a review of threats occurring during the month of August 2009. Highlighted is the massive DDoS (Distributed Denial of Service) attack on Twitter, Google Blogger, LiveJournal, and Facebook centered around 1 person: Cyxymu, a pro-Georgia blogger who is an active critic of Moscow's politics.
Posted: 08 Oct 2009 | Premiered: 08 Oct 2009
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Strategies for Controlling Email Risks with Declining Budgets
sponsored by Proofpoint, Inc.
VIDEO:
Proofpoint CEO Gary Steele discusses today's email security landscape, including trends related to inbound spam and virus, data loss prevention, email encryption, email archiving and how SaaS email security solutions can greatly reduce costs while improving security.
Posted: 18 Sep 2009 | Premiered: 18 Sep 2009
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DENIAL OF SERVICE ATTACKS DEFINITION (continued):
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 the press tends to focus on the target of DDoS attacks as
Denial of Service Attacks definition sponsored by SearchSecurity.com, powered by WhatIs.com an online computer dictionary
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