The arrest of the fraud gang with a fake SMS to increase Kalberg's credit The head of the Gila police in Greater Tehran announced the identification and arrest of a group of cyber fraudsters, who used to send fake text messages about registering or increasing the validity of Kalberg, while gaining access to the mobile phone details and bank accounts of citizens. A review of complaints revealed that some of the losers received text messages with the subject of registering for new merchandise and after entering the links contained in the text message, they encountered unauthorized access to their mobile phone or bank account.