A former GCHQ intern has admitted risking national security by taking top secret data home with him on his mobile phone.Hasaan Arshad, 25, pleaded guilty to an offence under the Computer Misuse Act on what would have been the first day of his trial at the Old Bailey in London.The charge related to committing an unauthorised act which risked damaging national security.Arshad, from Rochdale in Greater Manchester, is said to have transferred sensitive data from a secure computer to his phone, which...