Operational Resilience in Action: Case Studies and Best Practices for Maybank
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[OR] [MB] [E4] [CBS] [4] [DP] Payment and Settlement Systems

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High-Level Critical Business Service: CBS-4 — Payment and Settlement Systems

Overview of Operational Resilience in Maybank

Operational resilience at Maybank is defined as the ability to prevent, adapt, respond to, recover from, and learn from operational disruptions that may impact critical business services (CBS). In compliance with Bank Negara Malaysia (BNM) guidelines and global resilience standards, Maybank has identified several CBS areas vital to financial stability and customer trust.

Dr Goh Moh Heng
Operational Resilience Planner-Specialist-Expert
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Detailed Sub-Critical Business Services

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CBS-4: Payment and Settlement Systems

Overview of Operational Resilience in Maybank

[OR] [MB] [E4] [DP] [CBS] [2] Payment and Settlement SystemsOperational resilience at Maybank is defined as the ability to prevent, adapt, respond to, recover from, and learn from operational disruptions that may impact critical business services (CBS). In compliance with Bank Negara Malaysia (BNM) guidelines and global resilience standards, Maybank has identified several CBS areas vital to financial stability and customer trust.

Critical Business Service CBS-4: Payment and Settlement Systems

This service ensures the smooth execution of domestic and cross-border payment flows. It supports both retail and corporate customers and underpins the functioning of the broader financial ecosystem.

Business Processes Supporting CBS-4: Payment and Settlement Systems

 

Sub-CBF Code

Sub-CBF

Description

Key Systems / Applications

Critical Dependencies

2.1

Retail Funds Transfer Processing

Manages customer-initiated transfers, including interbank (IBG), instant (DuitNow), and intra-bank transfers.

Maybank2u, MAE, Core Banking

RPP (BNM), MyClear, APIs, mobile/online banking platforms

2.2

Corporate & Bulk Payments

Processes mass payments such as salaries, vendor payments, and payroll for corporate clients.

Maybank2E, MIB, Host-to-Host Systems

SWIFT, BNM, authentication layers, customer mandate systems

2.3

Real-Time Gross Settlement (RENTAS)

Settles high-value interbank payments via BNM’s RENTAS network.

Core Banking, RENTAS Gateway

Bank Negara Malaysia (BNM), SWIFT, treasury operations

2.4

Cross-Border Payments (SWIFT)

Handles global remittances and international fund transfers.

SWIFT Alliance, AML Systems

Correspondent Banks, FX Systems, Compliance Tools

2.5

Cheque Clearing

Supports cheque truncation and clearing within banking hours.

Cheque Truncation System (CTS)

MyClear, document scanning systems, branch network

2.6

E-Wallet and Mobile Payment Integration

Enables top-ups, transfers, and QR code payments via MAE and DuitNow QR.

MAE Wallet Engine, QR Gateway

DuitNow P2P, national QR standard, identity verification

2.7

JomPAY & Bill Payments

Facilitates bill payments to approved billers using JomPAY and other integrated systems.

JomPAY Engine, Maybank2u

PayNet, biller integration systems, and clearing arrangements

2.8

Merchant & Acquiring Payments

Manages online and physical POS payments for merchants via card terminals and payment gateways.

POS Gateway, Acquiring Engine

VISA, Mastercard, FPX, fraud detection engines

2.9

ATM & CDM Transactions Settlement

Reconciles cash withdrawals, deposits, and interbank ATM transactions.

ATM/CDM Network System, Switches

MEPS, Switch Providers, and physical cash management

2.10

Fraud & Risk Monitoring in Payment Systems

Real-time monitoring for fraud, suspicious activities, and transaction validation.

FRAML (Fraud Risk & AML), Behavioural Engine

Cybersecurity, real-time AI models, and internal fraud teams

2.11

Reconciliation & Daily Settlement

Daily matching of payment transactions to ensure completeness and accuracy across books and ledgers.

Reconciliation Tool, Ledger System

Treasury operations, GL accounts, and automated reporting systems

2.12

Chargeback & Dispute Resolution

Handles customer disputes, failed payments, duplicate transactions, and card chargebacks.

CRM, Dispute Handling Systems

Visa, Mastercard, internal compliance and customer support

2.13

Payment System Resilience & Uptime

System monitoring, failover testing, and redundancy protocols are in place to ensure service continuity.

DR Infrastructure, Monitoring Dashboards

Data Centres, Telco Providers, DR/BCP Site

Operational Resilience Elements Integrated into CBS-2

 

Resilience Component

Implementation in CBS-2

Impact Tolerance

Defined in terms of maximum tolerable disruption time for each payment channel (e.g., < 2 hours for real-time payments).

Severe but Plausible Scenarios

Cyberattacks, system downtime, third-party outages, and large-scale financial fraud.

Testing and Simulation

Includes DR drills, penetration testing, and failover simulations for RENTAS, SWIFT, JomPAY, and more.

Communication Protocols

Real-time alerting to stakeholders, automated downtime notices, escalation to BNM and internal Crisis Management.

Third-Party Dependency Management

Critical suppliers (e.g., PayNet, SWIFT, VISA) undergo resilience and compliance assessments regularly.

Regulatory Alignment

CBS-2 is aligned with:

  • Bank Negara Malaysia (BNM):
    • Risk Management in Technology (RMiT)
    • Business Continuity Management Policy
    • Financial Market Infrastructure standards
  • Global Frameworks:
    • Basel Committee on Banking Supervision
    • ISO 22301 (Business Continuity)

Below is the detailed breakdown of the critical business service (CBS-2): Payment and Settlement Systems for Maybank Malaysia, aligned with operational resilience principles.

This includes the key business processes that support the high-level service, ensuring that disruptions are minimised and essential payment functionalities continue.

Critical Business Service: CBS-2 — Payment and Settlement Systems

 

#

Sub-CBS

Description

Key Systems / Applications

Key Dependencies

1

Retail Payments Processing

Handles interbank GIRO, instant transfers (DuitNow), and intra-bank transfers for retail customers.

Maybank2u, MAE, Core Banking System

Bank Negara Malaysia (BNM) - RPP, internal middleware, mobile/online banking platforms

2

Corporate Payments Processing

Processes bulk payments, payroll, and supplier payments for corporate and SME clients.

Maybank2E, MIB, Host-to-Host Systems

SWIFT, corporate onboarding systems, internal authorisation layers, BNM MyClear, DuitNow Corporate

3

Real-Time Gross Settlement (RTGS)

Settles high-value and time-critical fund transfers through BNM’s RENTAS system.

Core Banking, RENTAS Gateway

Bank Negara Malaysia’s RENTAS system, internal treasury systems, secure messaging platforms (SWIFT)

4

Cheque Clearing and Processing

Processes paper-based instruments via CTS (Cheque Truncation System).

CTS, Cheque Clearing Gateway

Malaysian Electronic Clearing Corporation (MyClear), branch network, document imaging and scanning systems

5

Cross-border Payments (SWIFT)

Facilitates international payments through the SWIFT network, including remittances and trade payments.

SWIFT Interface, AML Screening Systems

SWIFT Alliance Access, Correspondent Banks, FX systems, Compliance Monitoring

6

Payment Gateway and Merchant Acquiring

Handles e-commerce and point-of-sale payments for merchants via Maybank Payment Gateway and terminal acquiring services.

Maybank Payment Gateway, POS Terminal Systems

VISA/Mastercard/NFPS network, merchant systems, fraud monitoring, and acquiring banks

7

Bill Payment and JomPAY Processing

Enables customers to pay utility bills and registered billers via Maybank2u or other platforms.

Maybank2u, JomPAY Engine

PayNet JomPAY, biller integrations, and customer information systems

8

E-Wallet Top-Up and Peer-to-Peer Transfers

Supports MAE wallet top-ups, peer-to-peer transfers, and integration with other e-wallets.

MAE App, DuitNow P2P Engine

DuitNow, internal APIs, national QR standards, biometric/OTP verification

9

Fraud and Risk Monitoring in Payments

Monitors transactions for anomalies and fraud across all payment channels in real-time.

FRAML (Fraud & AML), Real-Time Monitoring Tools

AI/ML-based risk engines, behavioural analytics, and  national blacklist systems

10

Dispute Management and Chargeback Handling

Resolves failed, duplicate, or fraudulent transactions, including merchant chargebacks.

CRM System, Card Dispute Management System

Visa/Mastercard, Customer Support, Regulatory Guidelines

11

Daily Reconciliation and Settlement

Ensures all incoming and outgoing payments are correctly posted and reconciled with core systems and external networks.

Reconciliation Engine, Core Banking, General Ledger

Clearing houses (MyClear, SWIFT), Treasury Operations, Accounting

12

System Availability and Continuity Checks

Periodic testing of system resilience, backup switching (DR site), and uptime monitoring for payment infrastructure.

Network Monitoring Tools, DR Management Systems

Data centres (Primary and DR), Telecommunication Providers, Cybersecurity Operations

Notes
  • CBS-2 Payment and Settlement Systems is considered mission-critical under BNM’s Operational Resilience and BCM guidelines.
  • Processes are interdependent, and failure in one (e.g., SWIFT, RENTAS) could cascade across others.
  • Resilience strategies include:
    • RTO/RPO targets for each process/system.
    • Scenario testing (e.g., cyber-attack, data centre outage).
    • Crisis communication playbooks.
    • Third-party risk management for external services like JomPAY, SWIFT, VISA, etc.

 

Operational Resilience in Action: Case Studies and Best Practices for MayBank

eBook 4: Starting Your OR Implementation
CBS-4 Payment and Settlement Systems
CBS-4 DP CBS-4 MD CBS-4 MPR CBS-4 ITo CBS-4 SuPS CBS-4 ST
[OR] [MB] [E4] [DP] [CBS] [2] Payment and Settlement Systems [OR] [MB] [E4] [CBS] [4] [MD] Map Dependency [OR] [MB] [E4] [CBS] [4] [MPR] Map Processes and Resources [OR] [MB] [E4] [CBS] [4] [ITo] Establish Impact Tolerances [OR] [MB] [E4] [CBS] [1] [SuPS] Identify Severe but Plausible Scenarios [OR] [MB] [E4] [CBS] [4] [ST] Perform Scenario Testing


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