“Phone numbers linked to more than 400 million Facebook accounts have been posted online in the latest security disaster for the firm.

According to TechCrunch, 133 million US accounts, more than 50 million in Vietnam, and 18 million in Britain were among 419 million records left in an open online server that was not secured with a password.

Facebook has confirmed the report, but said the total number is likely to be around half because of duplicate entries.  “