One of our PMOs focuses on computer security and protecting critical information infrastructure.

WHITEHOUSE: Testimony of Joshua Gotbaum

After the last election, he handed over the role of prime minister's official spokesman (PMOS) to take on a more behind-the-scenes role.

BBC: A press chief like no other?

PMOS, these days a career civil servant who is obliged to play with the straightest of bats, has answered as best he can, they persist, trying to make him say more than he wishes or even, perish the thought, to catch him out in some way.

ECONOMIST: Bagehot