denial-of-service attack

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denial-of-service attack

n. Computers
A malicious attack on a network resource that prevents legitimate users from accessing the resource, typically implemented by initiating an overwhelming number of spurious requests for service. Also called DoS attack.
References in periodicals archive ?
Customer services were interrupted by a power failure at the company's data center while their corporate website was simultaneously experiencing excessive traffic levels that was initially reported to have been caused by a denial of service (DoS) attack.
The Metropolitan Police said: "The arrests are in relation to recent and ongoing 'distributed denial of service' attacks (DDoS) by an online group calling themselves 'Anonymous'.
This means the cryptographic process is somewhat more vulnerable to Denial of Service attacks than schemes that identify sources based upon the readily available IP address or host-name.
Companies need to be extra-vigilant, denial of service attacks are likely to become more commonplace and service providers need to look for the signs and ensure that they have adequate capacity to deal with any such attack.
A new class of XML-related threats, including XML Denial of Service attacks, can readily be launched to consume server CPU cycles and wreak havoc on mission-critical applications and business productivity.
SCO Group Inc's web site was finally up and running again on Monday, more than a week after it first suffered what is claimed to be a denial of service attack related to its legal claims against the Linux operating system.
According to Mark Greisiger, founder of NetDiligence, existing and emerging cyber hazards include virus/worm damage, hackers, cyber extortion, Internet liability, Web vandals, denial of service, Web site disability access discrimination (universal access), computer/server malfunctions, intellectual property infringement, rogue administrators, application service provider (ASP) service outages, Internet service provider (ISP) outages, malicious code transmission, Unix and Windows operating system flaws, privacy breaches, and human mistakes.
It includes tests on back doors, OGI abuses, denial of service, firewalls, remote shell access, remote file access, remote procedure call, and Web, mail, and file servers.
UB: Is a university liable if its network is used to launch a distributed denial of service (DDoS) attack that crashes the victim's server by sending a flood of false information requests?
Security and infrastructure solutions provider and value added distributor Wick Hill will be offering two new products for preventing denial of service attacks.
The Internet Banking liability Policy broadly covers liability losses arising from the provision of online banking services, including invasion of privacy; libel, slander and defamation; damage to electronic data of a customer; denial of service; loss of business opportunity; unauthorized access to a customer account; and infringement of copyright or trademark.
Marvin Dickerson, director of product management, emphasized that the Internet has changed the way business is conducted in Latin America, and the new threats that have evolved relating to e-business security: virus infections, denial of service (DoS) attacks, defacing of websites, and theft of information.