denial-of-service attack

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Related to Denial-of-service attacks: DDoS attack, Distributed Denial of Service Attack

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 ?
On its website, Qurium said Bulatlat's site has been subjected to a series of denial-of-service attacks since Jan.
A year after a wave of denial-of-service attacks knocked out major websites around the world, millions of unsecured printers, network gear and webcams remain undefended against attack across major European cities, a report published on Tuesday said.
He was arrested following an investigation by anti-cyber crime police into the launch of denial-of-service attacks on NatWest, the National Crime Agency, the BBC, BT and Netflix.
"As distributed denial-of-service attacks increase in complexity and size, combating them becomes more challenging.
said its server infrastructure was hit by distributed denial-of-service attacks, which work by overwhelming targeted machines with junk data traffic.
The clarification from the bank came after several commercial banks in Finland have been the target of denial-of-service attacks in recent days.
The test involved more than 200 organizations and 400 cybersecurity professionals from 29 European countries simulating more than 2,000 separate cyber attacks, including denial-of-service attacks, website defacements, exfiltration of sensitive information, and attacks on critical infrastructure.
Denial-of-service attacks, in which malicious actors use massive volumes of network traffic to overwhelm the resources of a targeted network or site domain, are increasing in frequency.
The threat made by Anonymous, which has carried out denial-of-service attacks on multinational corporations such as PayPal, MasterCard, Visa, and Sony in the past, states that they are planning to attack petrochemical companies in protest at the US dollar being used as the currency to buy and sell oil.
Project Shield aims to defend websites against distributed denial-of-service attacks, which are often launched by hackers in the pay of authoritarian regimes.
The financial industries early last year "faced wide-scale network denial-of-service attacks that became increasingly difficult and costly to mitigate," the report said.
Google said it would host sites that frequently came under politically-motivated distributed denial-of-service attacks, as it is far bigger in size and possess sophisticated technical infrastructure, compared to other websites hosted independently.