---
title: [OR] [P2] [S5] [LL] [C15] Practical Case Study (Banking Sector Example)
description: [OR] [P2] [S5] [LL] [C15] Practical Case Study (Banking Sector Example)
image: https://blog.bcm-institute.org/hubfs/OR%20Implement%20Mapping%20Graphic/OR%20Implement%20Series%20Lesson%20Learned%20Morepost/%5BOR%5D%20%5BP2%5D%20%5BS5%5D%20%5BLL%5D%20%5BC15%5D%20Practical%20Case%20Study%20(Banking%20Sector%20Example).jpg
---
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###### Improving Lessons Learned: Strengthening Operational Resilience Through Continuous Improvement
# \[OR\] \[P2\] \[S5\] \[LL\] \[C15\] Practical Case Study (Banking Sector Example)
[](https://cta-redirect.hubspot.com/cta/redirect/3893111/4b69ddd1-f01e-4fa9-a2e1-ffa60ba221fc)
While frameworks and methodologies provide structure, their true value is realised through **practical application**. This chapter presents a detailed banking sector case study showing how lessons learned:
- Are captured following a disruption
- Undergo Root Cause Analysis (RCA)
- Are linked to CBS and impact tolerance
- Lead to measurable improvements
The case demonstrates how organisations can move from:
- **Incident → Insight → Action → Improvement**
[](https://cta-redirect.hubspot.com/cta/redirect/3893111/2545ed73-a288-4ae5-9525-acc4b7887e4c)
[Moh Heng Goh](https://blog.bcm-institute.org/ebook-or/author/moh-heng-goh) May 14, 2026
###### Operational Resilience Certified Planner-Specialist-Expert
### [](https://cta-redirect.hubspot.com/cta/redirect/3893111/3c164f95-e606-4b33-8624-b491c3f0fa1a)
### \[P2\] \[S5\] Chapter 15
### [](https://cta-redirect.hubspot.com/cta/redirect/3893111/4b69ddd1-f01e-4fa9-a2e1-ffa60ba221fc)Practical Case Study (Banking Sector Example)
#### **Introduction**
While frameworks and methodologies provide structure, their true value is realised through **practical application**. This chapter presents a detailed banking sector case study showing how lessons learned:
- Are captured following a disruption[![\[OR\] \[P2\] \[S5\] \[LL\] \[C15\] Practical Case Study (Banking Sector Example)](https://no-cache.hubspot.com/cta/default/3893111/9769f9fc-a994-4962-b5cf-7b2aa9ad5875.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/9769f9fc-a994-4962-b5cf-7b2aa9ad5875)
- Undergo Root Cause Analysis (RCA)
- Are linked to CBS and impact tolerance
- Lead to measurable improvements
The case demonstrates how organisations can move from:
- **Incident → Insight → Action → Improvement**
#### **Purpose of the Chapter**
To illustrate how a financial institution applies a **structured Lessons Learned framework** in a real-world scenario—demonstrating how incidents are analysed, lessons are derived, and improvement actions are implemented to strengthen **Critical Business Services (CBS)** and overall operational resilience.
#### **Case Study Overview**
##### **Organisation Profile**
- Mid-to-large retail bank
- Operates digital banking, payments, and deposit services
- Highly dependent on technology and third-party providers
##### **Critical Business Service (CBS) in Focus**
**CBS-2: Payments and Funds Transfer Services**
This CBS includes:
- Payment initiation
- Transaction processing
- Settlement and confirmation
#### **Incident Description**
##### **Event Summary**
The bank experienced a **major outage in its payment processing system**, resulting in:
- Delayed transactions
- Failed fund transfers
- Customer complaints
##### **Duration**
- Total disruption: 4 hours
- Recovery time exceeded defined **impact tolerance**
##### **Impact Assessment**
| **Impact Area** | **Description** |
| --- | --- |
| Customer Impact | Delayed and failed payments |
| Financial Impact | Compensation costs |
| Regulatory Impact | Breach of service expectations |
| Reputational Impact | Negative customer sentiment |
#### **Lessons Learned Process**
##### **Stage 1: Capture**
Immediately after stabilisation:
- Incident details were recorded
- Stakeholders participated in a debrief session
- Initial observations were documented
**Key Observations**
- System performance degraded before failure
- Delayed escalation to IT teams
- Vendor response was slower than expected
##### **Stage 2: Root Cause Analysis**
A structured RCA was conducted using multiple techniques.
**Findings**
| Level | Description |
| --- | --- |
| Immediate Cause | System overload during peak transaction period |
| Contributing Factors | Ineffective monitoring and delayed response |
| Root Cause | Lack of capacity planning and insufficient vendor resilience |
##### **Stage 3: Validation**
- Findings reviewed by:
- Confirmed accuracy and completeness
##### **Stage 4: Mapping to CBS**
The incident was mapped to **Sub-CBS components**:
| Sub-CBS Code | Sub-CBS | Issue |
| --- | --- | --- |
| 2.1 | Payment Initiation | Transaction delays |
| 2.2 | Processing Engine | System overload |
| 2.3 | Settlement | Failed transactions |
##### **Stage 5: Impact Tolerance Assessment**
- Defined tolerance: 2 hours maximum downtime
- Actual disruption: 4 hours
**Conclusion:**
→ **Impact tolerance breached**
#### **Development of Improvement Actions**
Based on lessons learned, the bank defined improvement actions.
##### **Action Plan**
| Action ID | Description | Owner | Priority | Timeline |
| --- | --- | --- | --- | --- |
| A1 | Implement real-time monitoring system | IT | High | 3 months |
| A2 | Upgrade system capacity | IT | High | 6 months |
| A3 | Strengthen vendor SLAs | Procurement | High | 2 months |
| A4 | Improve escalation procedures | Operations | Medium | 1 month |
| A5 | Conduct stress testing | Risk/IT | High | Quarterly |
#### **Prioritisation of Actions**
Actions were prioritised based on:
- CBS criticality
- Impact severity
- Likelihood of recurrence
**Priority Summary**
- High Priority: Capacity, monitoring, vendor management
- Medium Priority: Process improvements
#### **Implementation and Monitoring**
##### **Execution**
- Actions assigned to responsible teams
- Progress tracked through a centralised system
##### **Monitoring**
- Weekly progress reviews
- Escalation of delays
#### **Integration with Scenario Testing**
Lessons learned were incorporated into future testing.
**Updated Scenarios**
- Vendor failure scenario
- Peak transaction load stress testing
- Combined system and process failure
**Outcome**
- Improved testing realism
- Better preparedness
#### **15.9 Results and Improvements**
##### **Measurable Outcomes**
| Metric | Before | After |
| --- | --- | --- |
| Recovery Time | 4 hours | 1.5 hours |
| Incident Frequency | High | Reduced |
| Customer Complaints | High | Reduced |
| CBS Availability | Lower | Improved |
##### **Key Improvements**
- Enhanced system resilience
- Improved monitoring capabilities
- Stronger vendor management
- Faster response times
#### **Key Lessons from the Case Study**
##### **Importance of Service-Centric Approach**
- Focus on CBS enabled better prioritisation
##### **Value of Root Cause Analysis**
- Identified systemic issues, not just symptoms
##### **Need for Strong Governance**
- Ensured accountability and follow-through
##### **Integration Across Functions**
- Collaboration between IT, operations, and risk was critical
#### **Common Pitfalls Observed**
- Initial delay in escalation
- Over-reliance on vendor capabilities
- Lack of proactive monitoring
#### **Best Practices Demonstrated**
- Structured lessons learned framework
- Clear ownership and accountability
- Integration with scenario testing
- Continuous improvement approach
#### **Extending Lessons Across the Organisation**
The bank applied lessons learned beyond payments CBS to:
- Other critical services
- Vendor management framework
- Risk management processes
#### [![\[Banner\] \[Summing\] \[OR\] \[E2\] \[C13\] Improving Lessons Learned](https://no-cache.hubspot.com/cta/default/3893111/71190ffb-94e6-4ae9-b40a-8f29585ab4ec.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/71190ffb-94e6-4ae9-b40a-8f29585ab4ec)
This case study demonstrates how a structured approach to lessons learned can:
- Transform incidents into opportunities for improvement
- Strengthen Critical Business Services
- Enhance operational resilience
By following a disciplined methodology, organisations can ensure that:
- Lessons are not lost
- Improvements are implemented
- Resilience capabilities are continuously enhanced
##### **Transition to Next Chapter**
Building on this practical case study, the next chapter will explore **future trends in lessons learned**, including the role of AI, predictive analytics, and evolving regulatory expectations in shaping the future of operational resilience.
[](https://cta-redirect.hubspot.com/cta/redirect/3893111/49818a85-5555-4d5b-a3ca-28d5300db18b)
| **C1** | **C2** | **C3** | **C4** | **C5** | **C6** |
| --- | --- | --- | --- | --- | --- |
| [![\[OR\] \[P2\] \[S5\] \[LL\] \[C1\] Introduction to Lessons Learned in OR](https://no-cache.hubspot.com/cta/default/3893111/b76a622a-f295-4503-87fa-4c58f5f087a8.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/b76a622a-f295-4503-87fa-4c58f5f087a8) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C2\] The Role of Lessons Learned in the OR Lifecycle](https://no-cache.hubspot.com/cta/default/3893111/b9f0d952-dfd0-400d-b37f-24d9c59f2baa.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/b9f0d952-dfd0-400d-b37f-24d9c59f2baa) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C3\] Governance and Ownership of Lessons Learned](https://no-cache.hubspot.com/cta/default/3893111/8e352c01-ff6a-4ff6-b81b-90ad0ad15f46.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/8e352c01-ff6a-4ff6-b81b-90ad0ad15f46) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C4\] Sources and Triggers for Capturing Lessons Learned](https://no-cache.hubspot.com/cta/default/3893111/856c1acb-96c5-49ed-afa3-ffbb8e61d9e6.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/856c1acb-96c5-49ed-afa3-ffbb8e61d9e6) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C5\] Lessons Learned Framework and Methodology](https://no-cache.hubspot.com/cta/default/3893111/c86a2b1e-05a8-44b9-a74f-730d85b6d046.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/c86a2b1e-05a8-44b9-a74f-730d85b6d046) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C6\] Root Cause Analysis (RCA) Techniques](https://no-cache.hubspot.com/cta/default/3893111/b3d2f707-1f82-4f0a-8d51-f3451c78c337.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/b3d2f707-1f82-4f0a-8d51-f3451c78c337) |
| **C7** | **C8** | **C9** | **C10** | **C11** | **C12 ** |
| [![\[OR\] \[P2\] \[S5\] \[LL\] \[C7\] Linking Lessons Learned to CBS](https://no-cache.hubspot.com/cta/default/3893111/f484c1bf-992a-4298-8752-6fec87c33912.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/f484c1bf-992a-4298-8752-6fec87c33912) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C8\] Integration with Scenario Testing and Impact Tolerance](https://no-cache.hubspot.com/cta/default/3893111/5eaa1a40-8d88-414b-8f38-9db2edd6ca0b.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/5eaa1a40-8d88-414b-8f38-9db2edd6ca0b) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C9\] Developing and Prioritising Improvement Actions](https://no-cache.hubspot.com/cta/default/3893111/af3c93f2-7736-4431-84d3-664e4bc9e425.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/af3c93f2-7736-4431-84d3-664e4bc9e425) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C10\] Embedding Continuous Improvement](https://no-cache.hubspot.com/cta/default/3893111/505103ad-4012-41a7-9fb9-afda3baeb58d.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/505103ad-4012-41a7-9fb9-afda3baeb58d) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C11\] Communication of Lessons Learned](https://no-cache.hubspot.com/cta/default/3893111/fba3d8cc-8854-4f13-9408-37d1ebc49091.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/fba3d8cc-8854-4f13-9408-37d1ebc49091) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C12\] Technology and Tools for Lessons Learned Management](https://no-cache.hubspot.com/cta/default/3893111/2b75ccca-cdc3-4327-84ff-e06677302878.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/2b75ccca-cdc3-4327-84ff-e06677302878) |
| **C13** | **C14** | **C15** | **C16** | **C17** | **C18** |
| [![\[OR\] \[P2\] \[S5\] \[LL\] \[C13\] Regulatory Expectations and Compliance](https://no-cache.hubspot.com/cta/default/3893111/516c631b-bb38-4b5f-9446-afcedbe2751c.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/516c631b-bb38-4b5f-9446-afcedbe2751c) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C14\] Common Challenges and Pitfalls](https://no-cache.hubspot.com/cta/default/3893111/afb5b7fb-efcb-4832-a6bd-44f3f36c97ee.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/afb5b7fb-efcb-4832-a6bd-44f3f36c97ee) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C15\] Practical Case Study (Banking Sector Example)](https://no-cache.hubspot.com/cta/default/3893111/9769f9fc-a994-4962-b5cf-7b2aa9ad5875.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/9769f9fc-a994-4962-b5cf-7b2aa9ad5875) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C16\] Future Trends in Lessons Learned](https://no-cache.hubspot.com/cta/default/3893111/b0a94161-20fe-4a63-a164-12d2be9c007c.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/b0a94161-20fe-4a63-a164-12d2be9c007c) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C17\] Key Takeaways and Call to Action](https://no-cache.hubspot.com/cta/default/3893111/edcf7673-1c76-45e7-9b70-12cda97ceac6.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/edcf7673-1c76-45e7-9b70-12cda97ceac6) | [![\[OR\] \[P2\] \[S5\] \[LL\] \[C18\] Back Cover](https://no-cache.hubspot.com/cta/default/3893111/6b6d918c-c6a7-4861-8e83-5760b1c19713.png)](https://cta-redirect.hubspot.com/cta/redirect/3893111/6b6d918c-c6a7-4861-8e83-5760b1c19713) |
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