Facebook from May 12 adopted a warning service to help users avoid clicking on dubious internet links, with a website ratings system developed by a Finnish start-up. The new warning service by Helsinki-based Web of Trust (WOT) helps Facebook boost security for its more than 500 million users, amid growing concerns of online scams, spam and malware.
WOT's software calculates the reputation of 31 million web pages and updates the ratings twice an hour, based on feedback from some 20 million users.
With the new feature, an improvement to its existing safety-scanning system, a click on a link to a low-reputation website prompts a warning message. The ratings are based on the input of some 20 million people and data from information security companies that blacklist harmful websites.
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