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.
References in periodicals archive ?
The BSG has now slammed Carillion for "milking public sector contracts for millions", while blacklisting members.
Laing O'Rourke were one of those behind the blacklisting of workers because of their union activities or role in highlighting safety fears.
Howard Beckett, of Unite, said: "It is a stain on our democracy that a firm with a history of blacklisting should be awarded such a contract.
Unite assistant general secretary Gail Cartmail, said: "Contemporary blacklisting is an ongoing scandal in the construction industry.
Blacklisting came to light in 2009 when the Information Commissioner's Office seized a Consulting Association database of 3,213 construction workers and environmental activists, used by 44 companies to vet new recruits and keep out of employment trade union and health and safety activists.
The rationale is that the subject is a threat to public safety and blacklisting minimizes that risk," Tan said.
But critics say they should not have been given the contract because they are facing court action over the blacklisting of construction workers with union links.
Steve Murphy, General Secretary of the Ucatt trade union, said: "This shows that not only does Jenny Willott not understand the construction industry or the blacklisting scandal but she doesn't understand her own Government's policies.
net, which tracks Internet blacklisting in Russia, said in November 2013.
The announcement follows protests led by trade unions UCATT, Unite, GMB and the TUC to raise awareness of blacklisting.
THE North East's biggest general union has backed Newcastle City Council after the local authority came out strongly against the practice of blacklisting.
A UNION campaign against blacklisting in the UK construction industry has been backed by Redcar and Cleveland Council.