When Temiloluwa Ogunleye dialled his late mother’s phone number over a year after her death, someone else picked up, even though the SIM card was still in his drawer.
“I was shocked,” he said. “My brother and I hadn’t yet finalised closing her bank accounts.”
Ogunleye is not alone. SIM recycling, the reassignment of phone numbers after long periods of inactivity, has grown to become a digital security threat in the country.
After Bankole Ibukun got a new SIM, she began receiving bank notifications and sensitive information intended for
