"Now I know that if you're trying to catch terrorists it's really tempting to demand to be able to break all that encryption but if you break that encryption then guess what - so could other people and guess what - they may end up getting better at it than you are," he said.
Sir Tim also criticised moves by legislators on both sides of the Atlantic, which he sees as an assault on the privacy of web users. He attacked the UK's recent Investigatory Powers Act, which he had criticised when it went through Parliament: "The idea that all ISPs should be required to spy on citizens and hold the data for six months is appalling."
