SMS Pumping Drains 2FA Budgets; iMessage-Based Fix Emerges

SMS pumping scams cost companies millions by exploiting outbound 2FA codes, with Twitter reportedly losing ~$60M/year. A mobile-originated approach, where users send a code to the service, eliminates the financial incentive for fraud. A new demo shows this working over iMessage, offering a cost-effective alternative to traditional SMS 2FA.