Consider agriculture. It is one of the oldest industries in human history, and among the last you might expect artificial intelligence (AI) to meaningfully reshape. Yet precision agriculture is doing exactly that. Satellite imagery, soil sensors, weather models and other tools are being integrated and synthesized by a new generation of AI models to guide planting decisions, predict yield variability, and optimize irrigation at the individual acre level. Crop insurance underwriting, for an example closer to home, once driven almost entirely by historical loss tables and weather averages, is being rewritten around real-time field data that only machine learning models can interpret at scale. An industry defined by tradition and seasonality is being transformed by technology faster than some financial services firms have updated their customer portals.
The insurance industry is at a similar turning point. For years, insurers have orbited platform modernization, making small improvements and then pulling back due to operational risks. Legacy systems have kept organizations in a holding pattern: stable enough to operate, but less agile in adapting to the pace the market now demands.
That dynamic is shifting. AI is fundamentally transforming the way insurance platforms are built and run, turning modernization from a long-term goal into an immediate strategic priority. This is no longer only about small efficiency gains. Platform modernization now takes center stage in competitiveness, partnerships and making better decisions at scale.
Why legacy platforms keep insurers grounded
Many insurers operate within monolithic core systems that integrate policy administration, billing, claims, underwriting and reporting within a tightly coupled environment. Often customized over decades, these systems are deeply embedded in daily operations. As a result, modernization can feel less like a technology upgrade and more like open-heart surgery.
The limitation is not age but adaptability, and at a more fundamental level, the design philosophy of what a core transaction system should be. Legacy platforms were not architected to be open. They are walled gardens with narrow access, mostly through user interfaces, built to control entire workflows and departments within a single environment. This philosophy benefits software vendors but limits an insurer’s ability to customize, adapt and integrate AI capabilities. The issues go deeper than closed systems: Many use data models that evolved haphazardly over time, which hinders external integration, limits automation, and makes large-scale changes slower and more costly than organizations would like.
This creates a frustrating paradox. To leverage AI-assisted development or intelligent automation, insurers must first invest in foundational data cleanup and restructuring. These efforts are costly, time-consuming and out of sync with the pace of innovation today. For technology leaders, the question is no longer whether to modernize, but how to sequence it without destabilizing the business.
The data mindset that determines success
Modern, open systems help deliver faster underwriting, improved claims outcomes, sharper risk selection and scalable automation. However, these outcomes depend heavily on the quality of the underlying data, which, for many insurers, is the main limitation.
Specialty insurers working with diverse distribution networks across many lines of business encounter partners spanning a wide spectrum of technical maturity. From small, focused underwriters with spreadsheet-based toolsets to large organizations with dedicated engineering teams, each engagement brings its own data structures, conventions and integration requirements. The challenge is not only ingesting that data, but normalizing and validating it to support actuarial analysis, financial reporting and program oversight across a complex book of business.
When data foundations are weak, the consequences appear across everyday operations:
- Program onboarding processes stall because agents and brokers cannot quickly answer questions that existing data should already resolve.
- Claims adjudication is fragmented, with processes and details scattered across systems and inaccessible to all stakeholders in real time.
- Bordereau files remain the standard, with limited adoption of modern data integration methods such as APIs, leaving validation manual and error prone.
- Reporting remains rigid, depending on static PDFs and IT assistance for even minor updates.
These are not merely edge cases; they are the natural result of platforms built before today’s data and integration requirements fully took shape.
Forward-thinking insurers are already addressing these issues by validating data earlier in the submission flow, streamlining ingestion pipelines, and offering program-level analytics that improve transparency for distribution partners. The ability to exchange accurate, timely data is becoming a meaningful competitive differentiator.
Knowing where, and where not, to apply AI
One of the most consequential decisions technology leaders face during modernization is not which AI tools to adopt, but where to deploy them. AI delivers outsized returns in specific contexts and introduces risk when applied in the wrong ones.
The highest-value, lowest-risk applications tend to cluster around workflows and customer interactions: automating bordereau validation, surfacing claims anomalies, generating underwriting summaries, accelerating document review, or guiding agents through submission requirements. These are areas where AI augments human judgment, reduces friction, and operates alongside existing systems without requiring those systems to change.
Replacing core transaction systems is a different conversation. Policy administration, billing, and claims settlement involve regulatory compliance, audit trails and financial integrity requirements that demand extreme care. Applying AI directly to these systems, without strong data governance and testing frameworks, introduces risk that often outweighs the short-term gain. The better path is typically to modernize the underlying architecture first, then build AI capabilities on a stable foundation.
Organizations that conflate “apply AI everywhere” with a modernization strategy often find themselves with sophisticated models sitting on unreliable data, or automated workflows breaking at the points where legacy systems assert themselves. Discipline about where AI creates value, and where foundational work must come first, is what separates effective transformation from expensive experimentation.
How AI changes the modernization equation
AI is not only speeding up platform modernization in insurance; it is transforming how it occurs. In the past, transformation has often been seen as a large-scale, multi-year project to replace core systems. For platforms handling high transaction volumes, the cost, complexity and operational risk of this “big bang” method often outweighed the advantages.
AI shifts that calculation in two distinct but complementary ways: how new applications and tools are built and deployed and how AI is embedded directly into workflows to support and automate decisions. These are not the same thing, and conflating them leads to poorly sequenced investments.
AI development tools: Building and deploying faster
The first wave of AI impact for most technology organizations is on the build side: using AI-assisted development tools to compress the time it takes to design, build, test and ship new internal applications. Tools that generate code, write tests, scaffold architectures and accelerate documentation review are not marginal productivity improvements. They are changing what a small team of engineers can deliver in a quarter.
For insurers, this means that internal tools, which previously required months or years of development, in addition to a vendor and system integrator relationship, can now be prototyped in weeks by a small internal team: a partner portal that consolidates program reporting, a claims intake tool that pre-populates fields from submitted documents, and a bordereau ingestion utility that catches data errors at intake rather than surfacing them days into the processing cycle. These applications do not require replacing the core system; they sit alongside it, connect via APIs, and deliver immediate operational value, if the core system supports it.
Technology teams that embrace AI development tooling can reclaim capabilities that have historically required large vendor programs or costly system integrators. They can move faster, iterate based on user feedback, and build institutional knowledge rather than external dependency. The organizations deploying these tools today are already compressing timelines that once seemed fixed.
Embedding AI in workflows: decisions at scale
The second wave is more fundamental: embedding AI directly into operational workflows to improve and automate the decisions that drive the business. This is where the economic case for modernization becomes clearest, and where the data foundation matters most.
Workflow-embedded AI is not a tool a user opens and closes. It is:
- Judgment built into the process itself;
- An underwriting workflow that scores submission quality before a human reviews it;
- A claims triage model that routes cases by complexity and coverage signals in real time; and
- A renewal pricing engine that incorporates loss history, external data, and portfolio exposure without requiring manual assembly.
These are structural changes to how decisions get made, not incremental improvements to existing processes.
The distinction between these two modes matters for sequencing. AI development tools can deliver value relatively quickly, even in environments with imperfect data, because they accelerate human work rather than depend on it. Workflow-embedded AI, by contrast, is only as reliable as the data it operates on. A claims-routing model built on incomplete or inconsistently coded data will produce inconsistent decisions. Getting the data foundation right is a prerequisite for this second wave, not a parallel workstream.
Together, these shifts fundamentally change the economics of modernization, lowering barriers to entry and expanding what is possible for more organizations.
Choosing the right retirement strategy for legacy systems
How an organization exits its legacy systems matters as much as what it builds next. The right strategy depends on transaction volume, regulatory complexity, partner dependencies and appetite for operational risk. Three patterns emerge repeatedly in practice.
The strangler pattern
Rather than replacing a legacy system wholesale, new functionality is built alongside it. The modern system gradually takes over individual capabilities — a microservice here, an API layer there — until the legacy platform is functionally surrounded and can be decommissioned without a disruptive cutover. This approach minimizes operational risk and is particularly effective for large, tightly coupled systems where a full replacement is not feasible.
Microservicing and modular decomposition
Some organizations carve specific domains out of a monolithic system and rebuild them as independent, API-driven services, such as claims intake, document generation, or rating, while leaving the core transaction engine intact for now. This creates optionality: Each domain can evolve independently, integrations become cleaner, and the organization builds modern engineering capability without betting the business on a single transformation program.
Sunsetting and runoff
For legacy systems supporting books of business with short or reasonably short policy periods, managed wind-down is often the most pragmatic answer. New business moves to the modern platform immediately; the legacy system is maintained, but not invested in, for the life of the in-force policies. This approach is less visible than transformation but is frequently the most cost-effective and operationally sound path for systems that are not worth rebuilding around.
A mature modernization strategy typically combines elements of all three: strangling core transaction systems, decomposing specific domains into services, and sunsetting legacy platforms that no longer justify investment. Recognizing which pattern applies where is itself a strategic discipline.
The right conditions for change
Since the insurance ecosystem will never be entirely uniform, achieving complete alignment across platforms or data models is neither practical nor essential.
What is achievable is better data exchange. More interactive, near-real-time data integration can deliver measurable value without requiring a complete system overhaul. Progress depends as much on collaboration as on technology, emphasizing the need for open, practical discussions about current data flows and how they can be enhanced for the future.
Ultimately, success will not be measured by who creates the most advanced platform, but by who develops the most adaptable one. Open integration, flexible data structures, and the ability to meet partners where they are will define the next wave of market leaders. The industry has spent years addressing this challenge. With the right tools, patterns, and organizational discipline now in place, the conditions for meaningful change are finally within reach.
About the author
Joe Lettween is Chief Innovation, Data Science, and Technology Officer for global specialty insurer Fortegra.
Sponsored by: Fortegra
