When a player is reported and confirmed to be cheating, their account is flagged by the game's anti-cheat system, Overwolf. The cheater's account is then assigned a unique tag, which is visible to other players in the game.
A cheater tag in Payday 2 is a unique identifier assigned to a player's account if they are caught using cheats or exploiting the game's mechanics. This tag serves as a warning to other players that the individual has a history of cheating. payday 2 cheater tag