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BhishmaSec

Tailored Cybersecurity Solutions by Industry

Every vertical faces unique adversarial mechanics and regulatory demands. Select your industry to explore our specialized attack simulations and compliance controls.

Secure Core Banking Systems Against Real-World Cyber Attacks

Banking institutions face relentless APT campaigns targeting SWIFT gateways, open-banking APIs, and core ledger integrity. BhishmaSec delivers RBI-aligned penetration testing and SWIFT CSCF v2024 assurance programs to neutralize threats before they reach production.

RBI Cybersecurity FrameworkPCI DSS v4.0 Level 1ISO 27001:2022 Financial SectorSWIFT CSCF v2024SOC 2 Type II

API & Open Banking Security testing for RBI / PSD2 compliance

Core banking ledger tampering & transaction spoofing defense

SWIFT gateway & inter-bank settlement isolation verification

Banking & Financial Security Architecture diagramBANKING & FINANCIAL SECURITY ARCHITECTURE🏦Digital ChannelsRetail & Corporate Mobile🔗Open Banking APIOAuth2 / mTLS Verified💰Core Ledger EngineAtomic Double-Entry⚡SWIFT Alliance GatewayISO 20022 Message Sign✓ RBI CYBERSECURITY FRAMEWORK COMPLIANTPCI DSS v4.0 Level 1 • SWIFT CSCF v2024 • SOC 2 Type IIZero-disruption core banking & SWIFT isolation testing.

BSEC-BNK-0911

High-Value Wire Ledger Tampering via Missing Nonce in Core Banking API

CRITICAL 9.4
CWE-345POST /api/v3/core-banking/settlement/dispatch

Attacker replayed approved transaction settlement payloads by modifying the sequence counter in ISO 20022 message buffers, duplicating payouts without debiting reserve accounts.

  1. Intercepted outgoing SWIFT/ISO-20022 settlement packet
  2. Removed transaction timestamp signature and incremented sequence ID
  3. Re-injected packet into clearing gateway API
  4. Core ledger processed transaction without cryptographic idempotency verification
def process_wire(txn_data):
  return ledger.execute(txn_data)
def process_wire(txn_data, hsm_sig):
  return hsm_vault.verify(txn_data, hsm_sig) and ledger.execute_atomic(txn_data)

RBI & Federal Bank Audit Readiness

Core Banking & SWIFT Isolation Testing

Zero-Disruption Testing Guarantee

Formal Auditor Attestation Dossier