New forfeit exploit?

Me and my stack queued a game of ranked, 3 rounds in we got kicked from the game, first 2 of us then 3. We couldn’t reconnect and the game counted as a loss for us and classed as a forfeit from our end (due to there being no players left) We are pretty sure one of the enemies turned on some pretty heavy aimbot during the round we got kicked. My teammate got an error message stating that the ShieldGuard couldn’t recognise the client. Is this a new exploit the other team performed, or did the anticheat boot us all and it counted as a loss for us? Anyone else experienced this ?