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Proactively Defeating Distributed Denial of Service Attacks
White Papers A Distributed Denial of Service (DDoS) attack is an explicit attempt to interrupt an online service by generating a high volume of malicious traffic. Most existing solutions propose to detect and drop attack packets at or near the destination...
[June 24, 2009, 16:02]
Web attackers knock out Microsoft sites
News During the morning of 25 January, Microsoft was the target of a denial-of-service attack against the routers that direct traffic to the company's Web sites," Microsoft said in a statement late Thursday afternoon.
[January 26, 2001, 8:18]
How the cyber vandals zapped Yahoo!
News A denial of service attack is a form of cyber attack that blocks Internet traffic from reaching a particular company or Internet service. A garden-variety denial of service attack uses a single server to attempt to tie up a network's connection...
[February 8, 2000, 8:14]
Design and Development of Proactive Models for Mitigating Denial-of-Service and Distributed Denial-of-Service Attacks
White Papers Generally, attackers launch Distributed Denial-of-Service (DDoS) attacks by directing a massive number of attack sources to send useless traffic to the victim. The victim's services are disrupted when its host or network resources are occupied by...
[October 14, 2008, 1:01]
Arab news site suffers outages
News While the outage may just be the result of the sites becoming an overnight curiosity, several media reports point to a denial-of-service attack by anti-Arab hackers as a potential cause. Arabic news site Al-Jazeera and its English-language...
[March 26, 2003, 8:16]
New shield repelled internet backbone attack
News The internet sustained a significant distributed denial-of-service attack, originating from the Asia-Pacific region, but stood up to it," according to the ICANN document, which attributed the internet's fortitude to Anycast's routing of traffic to...
[March 12, 2007, 8:24]
UK gambling company warns of DDoS-attack risk
News Cybercriminals disguised the build up of traffic from up to 30,000 PC and Apple Mac botnet computers during the attack by analysing and reproducing the browsing habits of the sites' typical users. Peter Bassill, information security officer with...
[March 7, 2008, 14:04]
Skype may assist botnet attacks
News In a denial-of-service attack, a flood of information requests is sent to a Web server, bringing the system to its knees and making it difficult or impossible to reach. About 60 percent of the world's spam is sent through such compromised computers...
[January 26, 2006, 9:30]
Students propose defence for DoS attack
News Even when the total attack traffic is 170 times the legitimate traffic, 60 percent of a server's capacity is still allocated to legitimate users," Yaar said after his presentation. Deluging a site with valid data from thousands of computers is a...
[May 13, 2003, 13:30]
SCO site suffers DDoS outage
News In a DDoS attack, numerous computers simultaneously send so much data across a network that the targeted system slows to a crawl trying to keep up with the traffic it's receiving. At 10:45 a.m.the Unix and Linux seller was hit by a distributed...
[May 6, 2003, 7:46]
Internet backbone suffers suspected attack
News Several key DNS servers saw traffic spike in the early morning on Tuesday, several experts said — a sign of an attack. In 2002, a similar denial-of-service attack also failed. The attack appears to have focused on the Domain Name System (DNS...
[February 7, 2007, 13:31]
Antispam advocate succumbs to spammer
News The DoS attack, which used thousands of commandeered computers to overload the sites' servers with traffic, is believed to have originated with one Russia-based spammer, Fathi said. The surrender comes after the company's Web site, along with those...
[May 18, 2006, 8:35]
AboveNet vows to nab cybervandals
News While Vixie stresses that the attack was unlike the distributed denial-of-service attacks that slowed -- and in some cases halted, service to eight major Web sites in February -- the effects were the same.
[April 27, 2000, 12:11]
Florida man charged in botnet attack on Akamai
News A Florida man has been charged with launching a distributed denial-of-service attack against servers run by Akamai Technologies. This distributed denial-of-service attack, launched 15 June, 2004, rendered many of Akamai's clients' websites...
[October 25, 2006, 16:40]
MSBlast still spreading strongly
News The new data comes on the same day that Microsoft managed to dodge an impending denial-of-service attack. A wide range of estimates for the spread of a worm are a common problem in gauging the effects of such an attack.
[August 18, 2003, 8:40]
Web attack manhunt 'impossible'
News If the person was smart, they could have gone to their local library or public-access point to put in the (compromised computers)," said Troy Davis, administrator for Netscan.org, a Web site dedicated to highlighting insecure Internet servers that...
[February 11, 2000, 8:20]
Computer prank slips past security experts
News In addition, Magdych noted the traffic could have been a different, simultaneous attack, using the Bugtraq Trojan horse as camouflage. Internet vandals use the tactic, called a denial-of-service attack, to drown a company's network in a flood of data.
[February 2, 2001, 8:55]
SQL Slammer worm wreaks havoc on Internet
News SQL Slammer's code instructs the Microsoft SQL Server to go into an endless loop, continually sending out data to other computers, in effect performing a denial of service attack, F-Secure said, comparing the slowdown to the impact of the Code Red...
[January 26, 2003, 9:58]
Linux kernel flaw could trigger DoS incidents
News The attack is apparently effective only if the system uses iptables to filter traffic. According to this report, Abraham Yaar proposed using currently unused network traffic header bits to help identify the source of an attack and thereby block it.
[May 27, 2003, 13:55]
Hybrid DDoS worm strikes Microsoft SQL Server
News A known vulnerability in Microsoft SQL server systems is being targeted by a hybrid worm that combines a distributed denial of service attack (DDoS) with the automated propagation techniques used by worms such as Code Red.
[November 23, 2001, 13:38]
