chicksdaddy writes: Facebook's security team has been saying for months that account integrity is a top priority, and that so-called "social authentication"- using your knowledge of your own network to help authenticate yourself — was their preferred method to secure account access. Now an exclusive report in The Atlantic says that the company employed social authentication earlier this month to secure the accounts of Tunisian protesters calling for the ouster of that country's ruthless dictator, Zine El Abidine Ben Ali. According to the report, Facebook security engineers detected large scale efforts by Tunisian ISPs to intercept user logins to Facebook and to remove protest pages set up on the social network. They responded by forcing Tunisian users to connect through a secure HTTP server and required Tunisian users to complete social authentication challenges before accessing their accounts. The company's efforts seem to have worked — the protests succeeded in driving Zine El Abidine Ben Ali from the country on January 15. Vive la Facebook!
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