No, denying it would be a lie he couldn't justify. Deception for its own sake has never been something Sasuke could stomach, really, too straightforward and goal-oriented to entertain needless fibs... and too many times bitten by them courtesy of someone else. The world doesn't really need more of that.

... unless, of course, the cause is good enough, and therein lies Sasuke's determined hypocrisy.

"I don't see that it's advantageous for me to share details with you unless you could be of use. Shouldn't that be the cautious response of someone who's 'seen war' before?"