When WannaCry extorted the virus, Britain was one of the worst-hit countries, but they still seem to have failed to take the lesson to heart.
According to BBC, seven years to spend 3.5 billion pounds to make the UK's largest and most advanced aircraft carrier, actually there is a fatal flaw, that is the system used in the control room, is already stop supporting Microsoft Windows XP.
For fear of the outside world, queen Elizabeth, a former commander (Mark Deller), said they would avoid the carrier influenced by network attack, know to open the project is in the 20 years ago, when the XP is one of the most popular operating system.
In fact, previous us media have reported that many of the pentagon's core computer systems are also old XP, which is vulnerable to attack, even if it is not connected to the Internet.