It is twenty years since the aliens attacked our planet and were defeated by a cunning combination of Jeff Goldblum, a heroic pilot and the invaders’ dazzling inability naivety about the basic concept of a computer firewall. It turns out that a distress call was sent out into deep space and now they’re back, presumably having fully assimilated the sacred text “PC Security for Dummies”. The human race has been busy in the interim…
