ARTICLE
14 November 2025

Strategic Defense Against Financial Crime: A 3-Phase AI Approach

AC
Ankura Consulting Group LLC

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Ankura Consulting Group, LLC is an independent global expert services and advisory firm that delivers end-to-end solutions to help clients at critical inflection points related to conflict, crisis, performance, risk, strategy, and transformation. Ankura consists of more than 1,800 professionals and has served 3,000+ clients across 55 countries. Collaborative lateral thinking, hard-earned experience, and multidisciplinary capabilities drive results and Ankura is unrivalled in its ability to assist clients to Protect, Create, and Recover Value. For more information, please visit, ankura.com.
Financial fraud is evolving faster than most organizations can respond. Understanding the implications of data in real-world contexts is far more important than simply analyzing it.
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Financial fraud is evolving faster than most organizations can respond. Understanding the implications of data in real-world contexts is far more important than simply analyzing it. In our experience, the issue is not the abundance of data, but the problem of understanding it in the context of fraud. Many artificial intelligence (AI) systems used to detect fraud are not poorly engineered; they simply fail to incorporate the critical context of the relationships between the data, behavior, and intent. Where traditional detection systems focus on fraud as a series of standalone, isolated transactions, modern systems fail to integrate the other behavioral, linguistic, and psychological patterns that older systems are designed to miss. In our view, the most critical gap in AI-enabled fraud detection is the lack of understanding and detection of aligned, coordinated, and collusive behavior. Large language models (LLM) trained with a combination of structured and unstructured data on social engineering, collusion, and hidden financial manipulation will provide fraud investigators with cutting-edge tools. The future of fraud detection is more than rapid detection — it is the ability to provide actionable insight.

AI is now becoming an indispensable component of contemporary forensic investigations. It rapidly identifies and analyzes large and intricate datasets in order to identify suspicious behaviors that might escape the attention of human reviewers. Furthermore, advanced models not only pinpoint suspicious behavior; they can also articulate the reasoning behind the anomaly and the transparency needed for investigators and regulators. The problem, however, is that generic models are seldom sufficient. If an AI system is not customized to understand an organization's particular data narratives and operational peculiarities, it is bound to produce a lot of false positives while missing important red flags.

What works best is AI that empowers rather than displaces human specialists. When AI is intelligently integrated into a company's fraud environment, regulatory requirements, and investigation procedures, it can be highly effective. It performs advanced analyses, identifies connections that suggest collusion or malicious intent, and maintains flexible monitoring fraud tactics. The greatest value is generated when counter-fraud strategies are designed using human intuition and analytical machine intelligence. The strategies will be responsive and highly analytical.

To choose wisely, organizations must begin with a careful evaluation process.

Phase 1: Assess Your Risk Landscape

Make Sense of Your Fraud Landscape and Data Complexity

  • Before diving into new AI tech, clearly map out the types of fraud that threaten your organization — be it transactional trickery, inside jobs, or newer challenges like synthetic identity scams. Take inventory of your data sources, from transaction records and emails to log files and databases. A major reason AI projects fall short is the risk of data silos that keep teams from seeing the whole behavioral picture.
  • Not every AI solution can comfortably handle the breadth of unstructured and heterogeneous data. While automation — through robust ingestion pipelines, automated preprocessing, and continuous model retraining — provides a solid foundation for consistent, high‑volume analysis, it is only one piece of the puzzle. A truly effective fraud‑detection strategy blends automated data preparation with human oversight, ensuring that the nuanced context of emails, chat logs, and other unstructured sources is preserved while still delivering rapid, accurate pattern recognition.

AI Models and Infrastructure: Building the Next Wave of Fraud Protection

  • Utilizing various AI techniques ensures an efficient approach to anti-fraud systems. For example, supervised learning analyzes and acts on flagged patterns of fraud quickly, while unsupervised learning problems detect weird and new patterns. Even LLMs analyzing unstructured data, like emails and notes, can identify intent and collusion that might be subtle enough to go unnoticed.
  • As our pilot programs illustrate, LLMs apply to business use and purpose by extracting intent from unstructured reviewer notes, thus, boosting efficiency and overall fraud detection. In addition to that, these advanced models, particularly LLMs, need high amounts of computing resources (e.g. high-performance graphic processing units (GPUs)). Scalable data pipeline systems, along with other infrastructure investments, provide the necessary elasticity required to address quickly evolving fraudulent schemes.

Phase 2: Build Explainable and Compliant Systems

Put Explainability and Compliance at the Heart of Your AI Build

Value Explainability and Compliance in AI:

Developing intelligent fraud AI does not just flag potential frauds — it also explains the reasoning behind the flags and upholds compliance with rigorous standards. Seek these features:

  • Explainable Systems: Your AI should allow analysts to track the rationale for alert generation. This trust provides proof for the investigation.
  • Compliance: Your solution must include complete audit trails along with risk scoring to adhere to anti-money laundering (AML) and General Data Protection Regulation (GDPR) compliance.
  • Ethically Prudent Data Usage: Partner with solutions that align with your organizational data policies and have data protection features. Employ privacy-preserving techniques.
  • AI Governance Framework: Establish accountability and trust via human-in-the-loop, escalation, and third-party model reviews, and value the AI model to conduct returns

Keep Systems Evolving and Scalable

The world of fraud changes every day. Top platforms support continuous learning, allowing AI models to adapt based on feedback from analysts and case reviews. Regular retraining prevents model drift and keeps detection sharp as fraud patterns shift. Scalability matters too: Your systems should grow alongside rising data volumes and easily connect to your IT backbone, so real-time alerts will not strain your team.

Phase 3: Select Sustainable Implementation Models: In-House vs. Outsource

Factor in Provider Expertise and Support Beyond Go-Live

  • Weighing Costs and Benefits: There are many costs to consider when deciding if an organization should build its own AI infrastructure. Sometimes an organization can benefit from an AI service built by an external provider. The external provider will have a developed infrastructure and a lot of experience with AI and the organization will be able to save resources. A hybrid approach has become a frequent practice — keeping the central detection capabilities and allowing model retraining and other infrastructure to be the responsibility of specialized external partners. The hybrid approach will be able to save costs while providing the organization with the AI capabilities that it needs.
  • Managing Risk: In just about every situation and for every approach, exhaustively evaluating the AI solutions from every angle is necessary. It is necessary to run a proof of concept (PoC) to understand how a proposed solution would interact with the organization's own fraud use cases and to understand what data would be needed. Ongoing support that includes model retraining and adaptive pivoting to new upcoming critical threats is the most important to keep the AI's compliance and resiliency post-launch.

Conclusion

The adoption of AI technology to detect fraud can be a game-changer for organizations in identifying and preventing financial crimes. But selecting an appropriate system goes beyond which technology is trending. It involves a deep understanding of the unique risks and realities of the organization's data, the importance of transparency and compliance, the need for flexibility and scalability, the necessity for real-time detection, and the determination to select the best partners. When all of these come together, organizations can shift from a reactive approach of battling active fraud to developing intelligent and robust defensive strategies to safeguard their finances and reputations.

The overarching value of all these efforts is the protection of financial assets and the reputation of the organizations. Financial ecosystems become a lot safer for all the stakeholders involved.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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