More than 1,350 laptops, iPads and smartphones, many containing sensitive information, have been lost or stolen from the offices of MPs and civil servants over the past three years.
According to the response to a Freedom of Information request by Sky News, 47 laptops or tablet computers went missing from the possession of members of parliament alone in that period.
Between 2010-11 and 2012-13 equipment potentially worth up to £700,000 was lost or stolen, including 956 phones, 371 laptops and 43 tablet computers.