Ianto raises his eyebrows at the question, offering John a helpless little shrug as he does. If he's asking the question, he probably knows the answer already anyway. Of course it is. In fact, he can be worse at times. At least she's answering in full sentences.

He glances between the pair of them, taking another sip of his coffee and wondering how long this is going to go on. This dodging of the truth when he's got a feeling that they both might know more about each other's jobs than they're willing to let on. He just hopes that doesn't mean anything's happened to John, in the future. Rodney 'doing something else' would lead him to believe otherwise, though.

"It seems you are, a bit," he replies. "For the record, I'm pretty sure my clearance levels would have included your lot, so you really don't need to worry about me. Assuming the pair of you do the same thing. But if you were in the same circles as Rodney McKay," he points out levelly, "who just happened to come to work on the same project as John here, then I think you both know and we might be able to stop playing twenty questions, yeah?"

He raises his coffee again, raising an eyebrow at the pair of them over the rim of his mug. There. He hasn't given away your secrets in so many words, John, but who knows how long this dance could go on and he'd rather not be dragged along as an awkward third.