You don't have to. In fact, your best bet is to wait for Gaskar's response and/or the UA publishing trophies. But the lack of immediate corroboration for a clan

You don't have to. In fact, your best bet is to wait for Gaskar's response and/or the UA publishing trophies. But the lack of immediate corroboration for a clandestine cyber op doesn't somehow mean it probably didn't happen.