File-sharing website The Pirate Bay has moved its servers to the cloud to frustrate attempts to take it offline.

BBC: The Pirate Bay moves to the cloud to avoid shutdown

If they do not pay you lots of money, you will take it offline which will make it unavailable to ordinary users for hours or days on end.

BBC: Gaining access to a hacker's world

Virgin Media has said it was forced to take its website offline for an hour during a hack attack.

BBC: Virgin Media attacked by opponents of The Pirate Bay block