Sounding the warning, the Minister of Communications and Digital Economy, Dr Isa Ibrahim Pantami said this has become necessary as 47.8 million Nigerians have linked their SIM cards with their NINs.
Dr Pantami after a review of the on-going NIN registration exercise with the Ministerial Task Force commended Nigerians for massively turning out for the exercise.
The Minister in a statement signed by the Director of Public Affairs of the Nigerian Communications Commission, Dr Ikechukwu Adinde, urged Nigerians to be mindful of the need to protect and secure their NINs and SIMs.