If you receive this WhatsApp message do not reply - it s a scam. (PA) Whatsapp users have been sent an urgent warning over a new scam which could provide fraudsters access to their personal messages. There are reports of a new scam circulating where users request a six-digit code. If the code is sent, the sender will have access to private massages and are given the ability to lock users out of their account. Here is everything you need to know about the scam. ‘Do not send the code’ When a handset is upgraded, WhatsApp generates a six digit code to allow users access to messages that are archived in their chats.