blacklist

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blacklist

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

(2) A list of Web sites that are considered off limits or dangerous. A Web site 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 ?
Merchants have been using the blacklist as a tool to cut down on online fraud, yet the very thing they are using to protect themselves could have long-term harmful impact on the eCommerce landscape as many consumers inadvertently place themselves on the list.
Cullum McAlpine, an executive at construction firm Sir Robert McAlpine, told a committee of MPs that his firm had never operated a blacklist, despite being a member of the Consulting Association, which unions said held secret files on thousands of workers.
In March 2009 shocking revelations of a well used blacklist of construction workers triggered information industry calls for stronger safeguarding of people's private data.
A type of pattern-matching filter, Bayesian filters don't require whitelists or blacklists.
In addition to the public blacklist, Repel for Outlook features easy administration of both a private blacklist and a private whitelist.
As it plays out in the movies, the blacklist story is vintage Hollywood: black hats vs.
Roy Bentham, spokesman for the Merseyside Blacklist Support Group, said some of those at the meeting have joined the legal action being taken by solicitors Guney, Clark and Ryan.
GMB general secretary Paul Kenny called for action, saying: "We believe councils should not award work to the firms that operated the blacklist until they compensate those damaged.
In a dramatic Commons session, Cullum McAlpine, a director of Sir Robert McAlpine, denied his firm ever ran a blacklist - even though they funded and used the shady organisation who collected information on politically active workers.
We plan to strengthen the law to outlaw the compilation, dissemination and use of blacklists in this way.
DNS blacklists are databases of known spammers, through which administrators can check if a sending mail server is known or thought to send spam.