blacklist

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blacklist

(1) A list of email addresses or domains of known spammers. See spam, spam filter, Blacklist of Internet Advertisers, greylisting and blackholing. Contrast with whitelist.

(2) A list of websites that are considered off limits or dangerous. A website can be placed on a blacklist because it is a fraudulent operation or because it exploits browser vulnerabilities to send spyware and other unwanted software to the user. Contrast with whitelist.

(3) A list of applications that a user is forbidden to run in an organization. Maintained by the system or network administrator, software in the user's computer prevents them from installing or running any program in the blacklist. Contrast with whitelist.
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References in periodicals archive ?
General secretary Steve Murphy said: "The Consulting Association wasn't the only blacklister. We need to make it a criminal offence."
Both the blacklister's photograph and the local newspaper had the effect of publicising behaviour considered to be anti-social.
According to the official synopsis of "The Blacklist" Season 2 Episode 8, "The Decembrist,": "Red's motives for Berlin take a sudden turn when he learns Berlin was manipulated by the latest Blacklister to avenge Red.
Meanwhile, Liz will have to take Red's help to catch one of the feared blacklister of all.
Meanwhile, Red will also find himself under-attack from the most feared blacklister of all.
Season four deals with the surprise resurrection of Keen, who had been presumed dead until the end of season three, while Reddington goes head to head with - you guessed it - more blacklisters.
The move by the ICO paves the way for more legal challenges against the blacklisters.
The guidance, which outlines circumstances where Welsh public sector bodies can exclude blacklisters from bidding for a public contract, was likely to lead to a court challenge from companies excluded under the system.