RBI Mobile Banking Security Guidelines & Governance

Overview

The Reserve Bank of India has issued comprehensive cybersecurity frameworks applicable to mobile banking channels. Indian banks must ensure end-to-end encryption, secure authentication, fraud monitoring, and compliance with RBI's master directions on information technology. MobAIsec provides governance assessments aligned with RBI mobile banking controls and OWASP MASVS standards.

Mobile App Security Requirements

Two-factor authentication for all financial transactions
End-to-end encryption for data in transit and at rest
Secure session management with automatic timeout
Application integrity verification and anti-tampering
Secure coding practices per RBI IT framework
Vulnerability assessment before production release

Fraud Control Requirements

Transaction velocity monitoring and limits
Device registration and binding policies
SMS/email OTP with time-bound validity
Fraud analytics integration with core banking

MASVS Governance Mapping

MASVS Control	Regulatory Requirement
MASVS-AUTH-1	Multi-factor authentication for sensitive operations
MASVS-NETWORK-2	Certificate pinning for banking API endpoints
MASVS-STORAGE-2	No sensitive data in SharedPreferences without encryption

Common Violations

Insecure WebView configurations exposing JavaScript bridges
Exported components without proper permission guards
Weak cryptographic implementations (MD5, SHA1)
Logging of PAN, Aadhaar, or OTP values

Recommended Protections

Implement RBI-aligned security testing in SDLC
Deploy runtime application self-protection (RASP)
Continuous APK governance scanning per release
Establish fraud control maturity benchmarking

Frequently Asked Questions

What RBI guidelines apply to mobile banking apps?

RBI's Master Direction on IT Framework, cybersecurity framework, and digital payment security circulars establish requirements for authentication, encryption, vulnerability management, and incident reporting for mobile banking channels.