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distributed denial of service (182 results)
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ZDNet Dictionary Definition
- Denial Of Service
- A condition in which a system can no longer respond to normal requests. See denial of service attack.
- Full Denial Of Service Definition >>
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- Researchers devise way to deny denial-of-service attacks
- How about a real-world test?They could set up a test site to the public and see if the hackers can take it down. Let the hackers do their best!Why the server?Why not move the process to the incoming router?Great Idea, good Start....and who else is making progress like this..?Wont...
- Discussion threads 2009-10-01
- Researchers devise way to deny denial-of-service attacks
- Researchers say they have devised a way to filter out denial of service attacks on computer networks, including cloud computing systems, improving security on government, commercial, and educational systems. by Andrew Nusca
- Blog posts 2009-09-30
- News to know: Twitter DOS attack; Cisco and IBM, Clunkers, Win 7 chart; Murdoch; CTO
- Here are today's notable headlines. You can get News To Know via email alert and RSS daily. For continuous updates see BNET's around-the-Web tech coverage. Ryan Naraine: Twitter knocked offline by DDoS attack; Koobface returns with a twist Larry Dignan: Cisco CEO Chambers: IBM...
- Blog posts 2009-08-07
- Avira Premium Security Suite 9.0.0.381 (Windows)
- Avira Premium Security Suite protects you in a very comprehensive way against the dangers of the Internet. It offers you numerous additional features over the virus protection offered in the AntiVir Premium Edition. In addition to AntiVir Premium, the Suite includes an integrated firewall that wards off attacks such as...
- Software downloads 2009-08-05
- Using NetFlow Auditor to Assist in Identifying Distributed Denial-of-Service (DDoS) Attacks and Other Network Behavior Anomalies
- This Paper covers how Denial of Service Attacks DoS and Distributed Denial of Service Attacks DDos can be identified early to mitigate and attack. The paper will reflect a method to alert when changes occur outside of learnt baselines and how new patterns can be recognized when security analysts have...
- White papers 2009-08-01
- Game Theoretic Resistance to Denial of Service Attacks Using Hidden Difficulty Puzzles
- Denial of Service DoS vulnerabilities are one of the major concerns in today's Internet. Client-puzzles offer a good mechanism to defend servers against DoS attacks. This paper introduces the notion of hidden puzzle difficulty, where the attacker cannot determine the difficulty of the puzzle without expending a minimal amount of...
- White papers 2009-07-16
- Empirical Study of Tolerating Denial-of-Service Attacks With the Fosel Architecture
- Filtering techniques are one of the main approaches to protect applications from Denial of Service Attacks DoS. However filtering techniques suffer from two main challenges: the accuracy detection of DoS traffic and processing time. Fosel Filtering with the help of an Overlay Security Layer has been proposed to protect application...
- White papers 2009-07-14
- Scraping, Denial of Service, and Brute Force Attacks! Oh My!: Identifying and Controlling Automated Clients
- Anti-Automation defenses are critical in today's web application security landscape. Breach Security's product line is uniquely positioned to help organizations address these automated types of attacks. Only through the combination of all of these capabilities can organizations gain true protections against these threats. Many systems will allow the use of...
- White papers 2009-07-01
- Iranian opposition launches organized cyber attack against pro-Ahmadinejad sites
- Approximately 24 hours ago, the Iranian opposition coordinated an ongoing cyber attack that has successfully managed to disrupt access to major pro-Ahmadinejad Iranian web sites, including the President's homepage which continues returning a "The maximum number of user reached, Server is too busy, please try again later..." message. ...
- Blog posts 2009-06-15
- Defense Against DoS, Flooding Attacks
- The following paper concentrates on the means of defense against denial of service attacks. First, some possible and common denial of service attacks are described to give the reader a basic understanding of what is this type of the attacks. The main part of the project is the mechanism, tools...
- White papers 2009-05-25
- SynGUI 1.0 (Windows)
- This is a syn packet flooding tool which is designed to perform stress-testing on your test machine against denial of service conditions, it is very flexible as you can specify the chosen port and target machine by hostname or IP address, you can also see how many packets are being...
- Software downloads 2009-05-19
- DDoS: Survey of Traceback Methods
- The problem of identifying Distributed Denial of Service DDoS is one of the hardest threats in the internet security. It is important to protect the resource and trace from the Denial of Service DoS attack, but it is difficult to distinguish normal traffic and DoS attack traffic because the DoS...
- White papers 2009-05-01
- Inputs of Coma: Static Detection of Denial-of-Service Vulnerabilities
- As networked systems grow in complexity, they are increasingly vulnerable to Denial-of-Service DoS attacks involving resource exhaustion. A single malicious input of coma can trigger high-complexity behavior such as deep recursion in a carelessly implemented server, exhausting CPU time or stack space and making the server unavailable to legitimate clients....
- White papers 2009-04-24
- Patch Tuesday heads-up: 8 bulletins, 5 critical
- Microsoft plans to ship 8 security bulletins next Tuesday (April 14, 2009) to fix remote code execution and denial of service vulnerabilities affecting Windows, Office and Internet Explorer. According to the company's Patch Tuesday advance notice, five of the bulletins will be rated...
- Blog posts 2009-04-09
- Denial of Service Attacks in Networks With Tiny Buffers
- Recently, several papers have studied the possibility of shrinking buffer sizes in Internet core routers to just a few dozen packets under certain constraints. If proven right, these results can open doors to building all-optical routers, since a major bottleneck in building such routers is the lack of large optical...
- White papers 2009-04-08
- DoS attack on UltraDNS affects Amazon.com, SalesForce.com, Petco.com
- DoS attack on UltraDNS affects Amazon.com, SalesForce.com, Petco.comOuchiesWonder who they pissed of? Any ransom demands? Could this be related to the worm everyone is talking about?M$ louzy windoze is the culpritthis attack would not have been possible wihout M$ windoze as an infected host.M$ should be sued for...
- Discussion threads 2009-04-01
- Intelligent Layer 7 DoS and Brute Force Protection for Web Applications
- Both Denial of Service DoS and Brute Force Attacks have existed for many years, and many network devices tout the ability to withstand them. However, most of today's DoS attacks target layer 7 (L7) by overwhelming applications with seemingly valid requests and Brute Force programs can send more than one...
- White papers 2009-04-01
- Measuring Global Denial of Service Attacks
- Cyberattacks as a tool for information warfare are not new and have been popular for well over a decade. Their growing prevalence, however, is a disturbing trend that requires study. Distributed Denial of Service DDoS attacks are one of the most widely crippling elements of many cyberwarfare campaigns. Designed to...
- White papers 2009-03-31
- Cisco IOS patch day covers multiple vulnerabilities
- Cisco has shipped a batch of patches to cover multiple vulnerabilities affecting IOS, the software that powers the vast majority of Cisco's routers and switches. In all, the company released 8 separate advisories with warnings for information disclosure, privilege escalation, denial-of-service vulnerabilities. The...
- Blog posts 2009-03-25
- Verizon Business takes its denial of service defenses global
- In the latest example of how services are moving to the Internet backbone, Verizon Business said Tuesday that it will extend its denial of service DOS attack defense to overseas. Verizon Business, which had a service designed to prevent DOS attacks in the U.S., said it will...
- Blog posts 2009-02-10
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