The Los Angeles police department is trying to track down the vicious hacker who supplied material to the website,, police sources said.

Also victimised were Kim Kardashian, Britney Spears, Donald Trump, Paris Hilton, Mel Gibson, Ashton Kutcher, US Vice President Biden, FBI Director Robert Mueller, Attorney General Eric Holder, Arnold Schwarzenegger and Sarah Palin.

Some of the data gained, which was described by the website as ‘The Secret Files’, includes social security numbers – which can pave the way to identity fraud, addresses, mortgage accounts, bank accounts and credit card numbers.