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 ?
To give a real-world analogy, imagine a denial of service attack is like the entrance to a big mall on Black Friday.
In a denial of service attack like those launched by Bessell, an attacker attempts to overwhelm the systems of its victim by directing a massive amount of traffic at their servers.
Bitfinex last Thursday tweeted that it had been under significant denial of service attack for several days, and that the attack had recently worsened.
Denial of service attack against specific domains and against the Internet.
The bank said it successfully defended itself against a "denial of service attack" - but many customers still struggled to log on to its online and mobile services.
The bank said its personal banking website was affected by a "denial of service attack" yesterday morning, which it successfully defended itself against.
The bank said it successfully defended itself against a "denial of service attack" yesterday - but many customers still struggled to access online and mobile services.
In a statement, the bank said that it had successfully defended its systems against a denial of service attack. Customer transactions were not affected, the bank said.
Nexusguard said it spotted a new tool in the hacker's arsenal, a reflective denial of service attack known as "Sentinel Reflection."
The shadowy digital protest group Anonymous threatened on Wednesday to launch a denial of service attack on the BBC over the top Gear row.
"This deliberate surge of traffic is known as a distributed denial of service attack. We have taken action to restore the affected web sites.
"It's 10 to 20 times the volume that we normally see, and twice the previous record for a denial of service attack."