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 ?
In addition, a single EU blacklist would add more weight than arbitrary individual blacklists adopted at the Member State level based on varying criteria.
More than 100 UK-based Sikhs are said to be on a Canadian "blacklist", unable to visit the country even though they travelled here several times in the past, The Hindustan Times is reporting.
Building union UCATT said: "It is a massive step forward in the campaign for justice for blacklisted workers."
FINANCE MINISTER Jane Hutt has told public sector bodies they should block companies that blacklist trade union activists and other groups of workers they dislike from bidding for contracts.
A MSP has sparked fury by claiming blacklisted workers might have been trying to hurt their employers.
A spokesman said that campaigners want Liverpool council to resolve to ban companies that have "blacklisted" workers from bidding for public contracts.
"Legislation has been in place since 2010 to prohibit the use of blacklists following an investigation into the Consulting Association by the ICO."
The UK government has ruled that it is now unlawful for trade union members to be denied employment through blacklists.
Moves to outlaw union members being prevented from getting a job by "secret blacklists" are to be introduced.
Bank Indonesia said it will soon issue a blacklists of individuals or companies drawing bad checks or giros.
She becomes entangled in a web of lies and deceit stretching from the communist blacklists in the fifties to the nearsighted actions of the Patriot Act.
* Practicing intelligent word recognition: To avoid blacklists, spammers will deliberately alter the subject line by adding or removing punctuation, adding nonsense phrases, misspelling words or compressing spaces.