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Denial of Service Attacks and Defenses in Decentralized Trust Management
White Papers This paper studies low-bandwidth Denial-of-Service (DoS) attacks that exploit the existence of trust management systems to deplete server resources. In trust management, a server often needs to evaluate a chain of credentials submitted by a client...
[October 14, 2008, 1:01]
A Year Ago: Denial of Service attacks loom in GM food protest
News Denial of Service strikes will coincide with GM protest week British cyber-activists, angry at the advent of GM foods, have pledged to launch Denial of Service attacks on several multinational organisations involved with the controversial foodstuffs.
[March 16, 2001, 6:03]
Denial of service attacks outlawed
News A UK law has been passed that makes it an offence to launch denial of service attacks, which experts had previously called "a legal grey area. In a denial of service attack, a person attempts to make a computer system unavailable to users by...
[November 10, 2006, 16:30]
Denial of Service Attacks in Networks With Tiny Buffers
White Papers However, reducing buffer sizes might pose new security risks: it is much easier to fill up tiny buffers, and thus organizing Denial of Service (DoS) attacks seems easier in a network with tiny buffers.
[October 2, 2009, 1:23]
A Year Ago: Denial of Service round-up
News Deconstructing Denial of Service attacks An in-depth assessment of what effect these attacks may have on the technology industry in the long term. ZDNet looks into these Denial of Service attacks in detail, examining how they were carried out, what...
[February 9, 2001, 6:06]
Special: Denial of Service round-up
News ZDNet looks into these Denial of Service attacks in detail, examining how they were carried out, what the ongoing risks will be, and assessing the possible reverberations in the world of Internet technology and e-commerce.
[February 9, 2000, 14:45]
Denial of Service Attack Techniques: Analysis, Implementation and Comparison
White Papers A Denial of Service attack (DOS) is any type of attack on a networking structure to disable a server from servicing its clients. Attacks range from sending millions of requests to a server in an attempt to slow it down, flooding a server with large...
[June 24, 2009, 16:02]
Denial of Service attacks: Linux to the rescue?
News For example, TripWire tripped up distributed denial-of-service (DDoS) Trojan infections by finding the obnoxious programs hidden deep in the operating system. According to Ransom Love, president and CEO of Caldera Systems, secure business Linux "is...
[March 1, 2000, 9:07]
Denial of Service Protection With Beaver
White Papers This paper presents Bea Beaver, a method and architecture to "Build dams" to protect servers from Denial of Service (DoS) attacks. Beaver allows efficient filtering of DoS traffic using lo low-cost, high-performance, readily-available packet...
[October 14, 2008, 1:01]
Denial of Service attacks loom in GM food protest
News British cyber-activists, angry at the advent of GM foods, have pledged to launch Denial of Service attacks on several multinational organisations involved with the controversial foodstuffs. The Electrohippies promise "an email and client-side...
[March 16, 2000, 16:27]
Denial of Service Attacks and the Emergence of Intrusion Prevention Systems
White Papers Since 2000, Denial of Service (DoS) and Distributed Denial of Service (DDoS) attacks have been prevalent across the internet. The purpose of this paper is to give an in depth look at what exactly denial of service attacks are, what forms they come...
[July 14, 2009, 1:19]
Denial of service attacks are legal 'grey area'
News A prosecution witness in the trial of a teenager accused of launching an email bomb attack admitted that the legality of denial-of-service (DoS) attacks caused by a flood of email is a legal grey area that IT professionals want clarified.
[November 2, 2005, 11:20]
Denial-of-Service: How big is this threat?
News The attacks included theft of proprietary information, financial fraud, system penetration by outsiders and denial-of-service attacks. The distributed Denial-of-Service attacks have really done a lot to get people to focus on a lot of things that...
[April 5, 2000, 13:20]
Denial of Service Attack Detection Using Extended Analog Computers
White Papers Denial of Service (DoS) attacks, a damaging assault on computer networking infrastructure, have been extensively examined by the digital computing community. However, no work has been done to examine the ability of Extended Analog Computers (EAC...
[October 14, 2008, 1:01]
Denial of service hobbles DoubleClick
News Digital marketing and advertising company DoubleClick is staying tight-lipped about the denial-of-service (DoS) attack that hobbled its online ad-serving operation for four hours. Jon Moffat, director of DoubleClick's Asia Pacific customer support...
[July 28, 2004, 12:10]
Potential Cognitive Radio Denial-of-Service Vulnerabilities and Protection Countermeasures: A Multi-Dimensional Analysis and Assessment
White Papers This paper examines the denial of service vulnerabilities that are opened by these additional activities and explores potential protection remedies that can be applied. An analysis of how vulnerable are victim cognitive radios to potential denial...
[June 20, 2009, 1:21]
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. The aggregate traffic at the destination router may consist of hundreds of thousands of flows.
[June 24, 2009, 16:02]
Using Overlay Networks to Resist Denial-of-Service Attacks
White Papers Proxy-network based overlays have been proposed to protect Internet applications against Denial-of-Service (DoS) attacks by hiding an application's location. They use the framework to analyze the general effectiveness of proxy network schemes to...
[June 24, 2009, 16:02]
Defense Against Low-Rate TCP-Targeted Denial-of-Service Attacks
White Papers Low-rate TCP-targeted Denial-of-Service (DoS) attacks aim at the fact that most operating systems in use today have a common base TCP Retransmission Timeout (RTO) of 1 sec. An attacker injects periodic bursts of packets to fill the bottleneck queue...
[June 24, 2009, 16:02]
A New IP Traceback System Against Distributed Denial-of-Service Attacks
White Papers On most Denial-of-Service (DoS) attacks, packets with spoofed source addresses are employed in order to disguise the true origin of the attacker. To date, the proposed traceback systems require either large amounts of storage space on router...
[June 24, 2009, 16:02]
