A second major British police force suffers a cyberattack in less than a month

Personal details of thousands of police officers and staff from Greater Manchester Police have been hacked from a company that makes identity cards, the second such cyberattack to affect a major British police force in less than a month.

Details on identity badges and warrant cards, including names, photos and identity numbers or police collar numbers, were stolen in the ransomware attack, Greater Manchester Police said Thursday. The third-party supplier was not identified.

The force said no home addresses of officers or any financial information about individuals was stolen.

“This is being treated extremely seriously, with a nationally led criminal investigation into the attack,” Assistant Chief Constable Colin McFarlane said in a statement.

Read more: ABC News