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 ?
Bot-based collective blocklists in Twitter: The counterpublic moderation of harassment in a networked public space.
Indeed, Google itself has pointed out it has compared the sites affected by Panda to the sites people are blocking with Personal Blocklist saying "we were very pleased that the preferences our users expressed by using the extension are well represented.
GFI MailEssentials 12 features PURBL, a phishing URI real-time blocklist, which removes links from the body of the e-mail message and checks them against a list of phishing sites.
The problem with this strategy is that the blocklist could be missing trackers that gather incriminating information.