SMS verification is a structural vulnerability, expensive, prone to interception, and a massive target for toll fraud (IRSF).

Sky Farber and Renshi Bao from Grab share how they’ve leveraged Twilio’s Silent Network Authentication to verify millions of devices without a single user interaction. Join us to learn the edge-case strategies that allowed Grab to slash authentication costs while simultaneously hardening high-value accounts against phishing and network-level attacks.