U.K. media reported that the names of more than 100 special forces troops, MI6 spies and military officers were part of the leak.

Thousands of Afghans, including many who worked with British forces, have been secretly resettled in the U.K. after a leak of data on their identities raised fears that the Taliban could target them.

Britain set up a secret scheme to bring thousands of Afghans to the UK after their personal details were disclosed in one of the country's worst ever data breaches, putting them at risk of reprisals from the Taliban after their return to power.