On the commercial side, we have experienced a denial-of-service attack related to the marketing vendor.
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That means they could be used to launch a distributed denial-of-service attack on a victim's computer.
Gox, a Tokyo-based exchange that handles roughly 80% of Bitcoin trading, recently shut down briefly after a denial-of-service attack.
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He will not face trial on another count of operating a "denial of service attack" (DDoS), which will lie on file.
"The name server that is authoritative for Microsoft's Web sites might have crippled under a Denial of Service attack, " he said.
The distributed denial-of-service attack failed to crash those payment networks, but David says Anonymous did manage to poke around their back-end computer systems.
Spamhaus accused Cyberbunker, a Dutch Web-hosting company, of coordinating the so-called distributed denial-of-service attack against it, according to a report by the British Broadcasting Corp.
Using the handle Flashboy, Ternovskiy soon mastered the art of the denial-of-service attack, wherein a target system is paralyzed by a mass of incoming communication requests.
The group said it had used a distributed denial of service attack (DDoS) which bombards a target website with so much data that it becomes overwhelmed.
However, the BBC was later told that experts had concluded it was not a denial-of-service attack, of the kind South Korea has experienced in the past.
Jake Davis, 18, was charged with unauthorised computer access and conspiracy to carry out a distributed denial of service attack on the Serious Organised Crime Agency's website.
For example, if a web scraper checks a site for changes several thousand times per second, it is functionally equivalent to a denial of service attack.
Hanna said Spamhaus experienced its first denial-of-service attack in 2003.
The courts have yet to decide who is liable if a computer system with lax security is used to launch a denial-of-service attack, but a number of lawsuits are pending.
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Sony was the target of a number of cyber attacks last year, kicking off with a distributed denial of service attack by the hacktivist and trolling network Anonymous in April 2011.
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Twitter said the site's blackout was caused by a "denial-of-service attack, " which likely means a hacker used a number of infected computers to send enough automated requests to the site to overwhelm it.
In the latest Internal Revenue Service attack on rogue tax preparers, a Texas federal judge has prohibited a dozen preparers from falsely claiming tax credits for producing methane gas generated by landfills.
The denial of service attack, where hackers jam a Web site with useless data that tie up the site's computers, slowed the news site's operations for nearly two hours, CNN.com spokeswoman Edna Johnson said.
Attacks like the "evil twin" disrupt a company's network from the outside, jamming its radio signals or bogging it down with a denial of service attack, then broadcasting a counterfeit signal into the building.
This sudden surge of requests, which were cancellations for a large batch of orders that the machine had never actually sent out, acted like a denial-of-service attack on some parts of the New York Stock Exchange.
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But the trick could be scaled up to hundreds or thousands of fake signals, much like a denial-of-service attack that uses thousands of computers to choke a website with a flood of fraudulent requests for information, Costin says.
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In the Motorola system, perhaps the most prevalent in use today, Matt Blaze failed to discuss another feature within some of these configurations that is known as FailSoft, and which could further exacerbate the problem of a denial of service attack.
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Rouland points out that ISS Tuesday discovered a chat room called "IP Victims" on Yahoo that is being used for the exchange of IP addresses of machines compromised by the Trojan horse Back Orifice and an older distributed denial-of-service attack tool called Sub Seven.
Forbes colleague Kelly Clay has posted five reasons why Website publishers to should leave GoDaddy, the Internet registrar and site host hit today with a massive distributed denial of service attack, allegedly by hackers who claim to be aligned with Anonymous, the shadowy online activist group.
Within hours, according to the cybersecurity researchers at Panda Labs, the loose group of hackers that calls itself Anonymous launched a distributed denial of service attack that threw junk traffic at the web server of the blog that had made the WikiLeaks announcement, and by 4am had taken the site offline.
Aside from the denial of service attack that targeted the site earlier this month, it has also been the subject of a complaint by a group of Bulgarian banks filed against the site with Bulgarian regulators in October of last year, claiming that it had sought to undermine their reputation by publishing a U.S. State Department cable about alleged banking corruption.
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In 2002 they were flooded with traffic from tens of thousands of infected computers in an unsolved "distributed denial of service" attack.
Spamhaus servers were hit with a huge amount of data via an attack technique known as a Distributed Denial of Service (DDoS) attack.
They suspect that even if the court finds the pair guilty, implying that the Libyan secret service ordered the attack, no one will seek to trace the order along the chain of command.
It appears the site suffered from a Distributed Denial of Service (DDoS) attack over the course of Tuesday and Wednesday.
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