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[OR] [MBT] [E3] [CBS] [2] [SuPS] Identify Severe but Plausible Scenarios

Written by Moh Heng Goh | Nov 11, 2025 5:48:05 AM

CBS-2 Payments and Fund Transfers

Identifying "Severe but Plausible Scenarios" for critical business services, such as Metrobank’s CBS-2 Payments and Fund Transfers, is essential for enhancing operational resilience.

These scenarios refer to potential disruptions that, while unlikely, could still occur and have significant operational, financial, or reputational impacts. By considering these disruptions in advance, businesses can create proactive risk management strategies to mitigate their effects.

Here's the requested table, detailing the "Severe but Plausible Scenarios" for each process within Metrobank's Critical Business Service CBS-2 Payments and Fund Transfers.

Table P5: Identify Severe but Plausible Scenarios for CBS-2

 

Sub-CBS Code

Sub-CBS

Severe but Plausible Scenario

Impact/Effect

Proactive Risk Management Action

2.1

Transaction Initiation

A Distributed Denial of Service (DDoS) attack that temporarily halts the initiation of transactions across all payment channels, resulting in delayed payment processing.

Business-critical payments delayed or disrupted. Possible reputational damage due to customers' inability to complete transactions.

Deployment of DDoS protection tools, increased network monitoring, multi-layered firewall protections, and collaboration with cybersecurity experts to implement real-time threat detection systems.

2.2

Transaction Validation

System failure during validation due to a corrupted database, leading to false rejection of valid transactions.

Operational delays, customer complaints, and potential financial loss due to failed transactions.

Regular database integrity checks, implementing backup systems, and routine validation protocol audits to prevent data corruption.

2.3

Transaction Authorisation

Malicious insider access to transaction authorisation systems, authorising fraudulent high-value payments.

Financial loss, regulatory scrutiny, and reputation damage.

Implementation of user access control systems, multi-factor authentication for authorisation, and continuous auditing of authorisation activities.

2.4

Transaction Settlement

The transaction settlement system is experiencing an outage after business hours, delaying settlements and causing liquidity issues for both clients and Metrobank.

Reputational damage, client dissatisfaction, and operational disruptions.

Establishment of disaster recovery plans, 24/7 system monitoring, automated fallback systems, and real-time alerts for settlement failures.

2.5

Reconciliation

A reconciliation system failure where transactions are mismatched, resulting in an inaccurate balance sheet and delayed reporting.

Potential legal and regulatory repercussions, mistrust from stakeholders, and delayed financial reporting.

Integration of automated reconciliation systems, frequent reconciliations, and periodic testing to verify accuracy.

2.6

Dispute Resolution

Legal disputes or fraud claims triggering a large-scale investigation process, halting payments and fund transfers while under scrutiny.

Service disruptions, customer dissatisfaction, and reputational damage.

Fast-track dispute resolution protocols, stronger communication channels with affected parties, and proactive monitoring of fraud detection systems.

2.7

Compliance and Reporting

Cybersecurity breach leading to unauthorized access of financial data, impeding regulatory reporting and compliance with local financial regulations.

Regulatory penalties, loss of trust, and financial instability.

Implementation of robust data encryption, regular compliance checks, and strengthening of privacy controls within the reporting systems.

2.8

System Maintenance and Monitoring

Unexpected software bugs during system updates result in the failure of the monitoring system, leading to undetected errors in ongoing transactions.

Undetected errors leading to system downtime or incorrect transactions.

Rigorous testing before deployment, structured maintenance windows, and automatic fallbacks to prior system versions during updates.

 
 
 

The identification and management of Severe but Plausible Scenarios for CBS-2 Payments and Fund Transfers are vital steps toward fortifying Metrobank’s operational resilience.

In alignment with BCM Institute’s approach to integrating cyber and ICT risks, the proactive risk management actions outlined in this chapter help ensure that Metrobank can maintain smooth, secure, and compliant operations, even in the face of unexpected challenges.

 

 

Building Resilient Banking Operations: The Metrobank Operational Resilience Implementation Guide

eBook 3: Starting Your OR Implementation
CBS-2 Payments and Fund Transfers
CBS-2 DP CBS-2 MD CBS-2 MPR CBS-2 ITo CBS-2 SuPS CBS-2 ST
 

 

Gain Competency: For organisations looking to accelerate their journey, BCM Institute’s training and certification programs, including the OR-5000 Operational Resilience Expert Implementer course, provide in-depth insights and practical toolkits for effectively embedding this model.

 

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