Approaching Progressive Modernization: Six Considerations

What is your business-anchored North Star?

Core banking touches nearly every facet of a bank, so modernization efforts can’t happen in technology isolation. Core banking modernization success requires strong stakeholder alignment from the outset and must be anchored in well-defined, agreed-upon requirements aligned long-term ambitions, even beyond the regular 4-5 year corporate business strategies.

These requirements include clarifying future customer experiences and needs, considering operating model evolution, involving data strategy owners, consulting compliance and audit leaders, aligning business and IT stakeholders, and engaging your security team—to name a few.

What is the desired governance and operating model?

Core banking touches nearly every facet of a bank, so modernization efforts can’t happen in technology isolation. Core banking modernization success requires strong stakeholder alignment from the outset and must be anchored in well-defined, agreed-upon requirements aligned long-term ambitions, even beyond the regular 4-5 year corporate business strategies.

These requirements include clarifying future customer experiences and needs, considering operating model evolution, involving data strategy owners, consulting compliance and audit leaders, aligning business and IT stakeholders, and engaging your security team—to name a few.

How should banks prioritize modernization efforts?

Progressive modernization helps banks avoid large, lengthy transformation programs by enabling them to modernize the areas that matter most, first. This requires identifying the domains where modernization delivers the highest near-term strategic impact, whether through reduced operational risk, improved customer experience, faster product delivery or accelerating a specific product set.

How do you avoid excessive customizations?

Modernizing the core is not only about what you leave behind, it is about how you move forward. A critical principle is minimizing bespoke customizations in the new landscape, and hence following an ‘Adopt, not Adapt’ approach. Excessive tailoring may offer short-term benefits, but it erodes resilience, weakens control, slows upgrades, and ultimately constrains agility in both the near and long term

How does core technology support a consistent, governed data landscape?

Core banking systems hold the bank’s most trusted data, but as architecture becomes more distributed, ensuring that data and key information stay consistent across all systems is increasingly critical. As multiple systems generate and store information, banks must define a model that establishes a single source of truth so that every channel, process, and AI application relies on the same validated data. A modern, enterprise-wide data architecture is essential to deliver a real-time, consolidated view of customer positions with strong consistency, scalable data and transaction processing.

What is your future architecture for success?

Historically, banking architecture was shaped by product-centric processes, often focused on delivering a single product to a single customer. Today, success depends on a deep understanding of customers, yet many banks remain constrained by legacy technology, untimely data, and fragmented client and product systems. This shift is foundational and demands a different architectural approach—one built on real-time, modular service domains, as reflected in industry frameworks such as BIAN, which provide a useful reference for designing future architectures. Ultimately, this enables banks to unify data across the enterprise, establish a single, trusted view of the client, and create a resilient and client centric foundation.