Behavioral biometrics in banking analyzes how users type, swipe, and interact with devices to build continuous authentication, making account takeover and identity fraud much harder. 5G in financial services enables ultra-low-latency data processing, giving banks and FinTechs the infrastructure they need to analyze risk and prevent fraud at the network edge. Open banking security focuses on protecting API-driven data sharing between banks and third-party providers, ensuring customer consent, encryption, and real-time threat monitoring.