Team Sky are investigating claims that some of Chris Froome's training data has been hacked.
Froome has always maintained that he rides clean but there are always those who wish to claim otherwise but has had his performances
Team Sky Principal Sir David Brailsford said: It's part of the game, isn't it? If he does well (on Tuesday), the rest of the Tour it's 'How do you know he's not doping?'
"The question of how to prove a negative is always going to be a difficult one.
"We think someone has hacked into our training data and got Chris' files, so we've got some legal guys on the case there.
"I would never mention a name (but) ethically and morally if you are going to accuse someone of doping then don't cheat.
"I used to worry about it a lot more, but I don't any more. It's part of the game. Just try to be honest, tell the truth, be open."