Mr Martin also faces four charges of obtaining an article for supply for use to commit or to assist in commission of computer misuse, and two of failing to comply with a notice to disclose the key to protected information.

BBC: Lewys Martin of Kent faces Oxbridge cyber attack charges

Scotland Yard said the arrest - under Section 1 of the Computer Misuse Act 1990 - relates to a "suspected conspiracy" involving the gathering of data from stolen mobile phones.

BBC: New Scotland Yard sign

Gary McKinnon, 43, from Wood Green, London, wants to overturn a refusal to put him on trial in the UK on charges of computer misuse.

BBC: Hacker's human rights 'ignored'