Andrew Bolt ASIO agent?

I see this in the paper today...' ...longstanding ASIO agent and informant Denis Warner of the Melbourne Herald...'

Warner is retired and the Herald was folded into the Herald-Sun where Andrew Bolt now operate's today.

Bolt was reported to have been investigated by the AFP in relation to documents leaked about intelligence whistleblower, Andrew Wilkie. Bolt's counterparts in terms of leaking in the United States might be Novak and Jeff Guckert/Gannon.