Peter Hansteen of Bergen Norway reports that the Norwegian Police Force has disclosed two large-scale information security incidents. He explains that:
Apparently large parts of the bureaucracy that is responsible for the confidential and correct processing of criminal matters and all sorts of sensitive personal information associated with the crimes runs essential services on Microsoft Windows NT 4.0.
That version of the Microsoft product is so old it is officially abandonware, and early reports of the police network problems included the oldish news that even the antiware vendors have stopped supporting the system. Later reports had police IT department officials claim that the worm infections were not that much of a security problem, since at this point all the worm actually did was spread.
The emphases above are, understandably, in the original report.