Efani's Mark Kreitzman on the SIM swap that cost Marks and Spencer 350 million euros

Future of Threat Intelligence · Sep 17, 2026 · 44m

In our latest episode of the Future of Threat Intelligence podcast, Mark Kreitzman, Chief Cyber Evangelist at Efani, shares how organized crime is scaling SIM swap attacks with AI, why most U.S. financial institutions still rely on SMS authentication, and how Efani's reversed MVNO model locks every carrier and phone store out of customer accounts.

Mark knows these attacks firsthand. In 2017, an attacker ported his number for 61 minutes, stole his crypto, and ported it back to hide the attack. That experience drove him to help build a secure mobile service now protecting executives, crypto…