HBO’s Industry has returned for its fourth season placing financial misconduct front and centre, from market manipulation to coordinated trades.

Although the show dramatises financial crime through personal vendettas and ambitions, the series captures something real; financial crime rarely comes from a singular actor or action, but from interconnected decisions that only become visible when viewed together.

Modern fraud now relies on networks rather than isolated actions, combining mule accounts, fabricated identities, multi-layered transactions, and linked devices. Individually, these components often seem harmless, but together they form a coordinated structure designed to bypass conventional detection methods.

As fraud and financial crime continue to grow increasingly interconnected and technologically advanced, banks must look beyond traditional detection methods. Graph intelligence can uncover hidden connections that keeps banks on the front foot.

Season four focuses on the dubious decisions made by one of the show’s protagonists as concealed trades and aggressive risk-taking made by Harper begin to surface, exposing how individual trades have created wider firm exposure. The fallout of these revelations is not caused by a single event, but by interconnected actions that only become visible when viewed together. In reality, financial crime unfolds in a similar way, Activity that appears isolated can expose coordinated networks once traced. While this storyline centres on trading misconduct and risk exposure, it reflects a much broader reality across financial crime, where seemingly isolated actions often form part of coordinated, systemic activity.

In the UK, fraud now accounts for more than 40% of all crime, making it the single largest category of criminal activity. In the first half of 2025 alone, £629.3m was lost to payment fraud and scams, a 3% rise on the previous year. These figures make the economic weight of modern fraud clear.

However, fraud no longer appears as a single suspicious transaction or an isolated account anomaly. Increasingly, it is manifesting through coordinated and multi-layered activities. Mule accounts are linked to synthetic identities, compromised credentials are reused across platforms and shared devices connect profiles that appear unrelated. What’s more, funds are deliberately routed through layered transaction chains so that no single step appears unusual. Criminal groups deliberately fragment their operations across institutions, products and jurisdictions, exploiting the seams between banking, payments and insurance systems.

In this environment, the challenge for banks is no longer simply identifying suspicious transactions but understanding how seemingly disconnected signals form coordinated networks.

While Harper and her colleagues are hampered by fragmented intelligence, real financial systems face a similar intelligence challenge, but with even higher stakes.

Artificial intelligence is rapidly increasing the scale, speed and sophistication of fraud. As it stands, more than half of fraud cases now involve some form of AI-enabled tactic, such as deepfakes, synthetic identity generation and AI-powered phishing scams. So much so that AI is enhancing traditional fraud techniques, increasing their scale, credibility and speed.

Against this backdrop, legacy fraud systems that rely on relational databases to analyse account data in isolation through neat rows and columns are increasingly outmatched. While these legacy systems were designed on rule-based controls to detect individual anomalies, they are not able to interpret fluid, AI-enhanced connected networks that are constantly advancing and adapting. This makes graph data models imperative for banks that want to protect themselves against fraud.

By mapping data relationships, graph intelligence allows banks and financial institutions to better understand the intricacies of how accounts, transactions, devices and identities interconnect. As a result, graph analysis exposes clusters and hidden linkages that would otherwise remain buried across siloed systems.

By unifying customer, account and device data as part of a graph-based detection model, institutions such as BNP Paribas Personal Finance have reported significant reductions in fraud losses and substantial time savings per investigation.

For financial services, the value of graph intelligence and connected data models extends beyond fraud prevention. By modelling the connections between customers, accounts, transactions, controls and regulatory obligations through graph structures, institutions gain a richer understanding of operational and compliance exposure. Traditional systems often assess regulatory impact in silos, requiring manual reconciliation across teams and datasets. Graph-based models, on the other hand, allow institutions to trace relationships and dependencies, enabling faster impact assessments.

As AI adoption accelerates across financial services, the role of relationship-rich data becomes even more significant. AI models perform best when they can evaluate not just isolated data points, but the relationships between customers, accounts, transactions and behaviours over time. Models trained on isolated datasets may identify patterns, but they struggle to interpret the broader network of dependencies that shape real-world outcomes. In contrast, graph databases introduce that contextual layer, enabling AI applications to operate with greater precision and governance.

Financial crime can often mirror the turning point in Industry. When scrutinised and examined, is the show reveals how Harper’s individual decisions across desks are more connected than they originally appeared. More broadly, financial crime behaves in a similar manner, with attacks appearing fragmented and isolated on the surface to bypass detection systems.

When criminals are behaving in an advanced way to avoid detection, banks must also advance their measures. Intelligent graph models provide the visibility needed to identify hidden connections and detect fraud sooner.

When criminal rely on hidden connections, revealing those connections is imperative.

Michael Down, Global Head of Financial Services, Neo4j

"Industry’s spotlight on financial crime’s hidden networks" was originally created and published by Retail Banker International, a GlobalData owned brand.

 

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