If a SIM card is lost, cybercriminals can gain access to all the information stored on it and carry out illegal actions on your behalf, including theft of funds.
The attacker calls the operator and, introducing himself as the owner, declares that the SIM card has been lost and answers security questions. He finds answers to the questions on the user’s social networks. After that, the real SIM card is disconnected, the stranger gets a new one with full access to the number and all of the information that comes to him. Therefore, it is very important to observe digital hygiene and not to expose personal data on social networks for everyone to see
It is also possible to steal data from a SIM card using remote access: an SMS message with a technical code is sent to the user’s device, and after opening the hacker gets access to calls, messages and even the owner’s location.
