Hackers have stolen huge amounts of personal data from the Department for Education (DfE) and the Police National Legal Database (PNLD), exposing sensitive details online. The attack reportedly targeted 14 other institutions, with a UK university being among them. Both the DfE and PNLD have reported the breach to the Information Commissioner’s Office (ICO). The cybercriminal group claiming responsibility calls itself the ExfilSquad. The group, virtually unheard of before the attack, posted sections of the stolen data, including the names and addresses of parents and staff,  on a leak website as proof. According to screenshots seen by the Guardian, they’re demanding…