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Financial digitization—the use of digital systems, data, connectivity, and external technology services to provide or support financial products and market infrastructure—can widen access and improve service delivery. It also makes financial activity depend on software, networks, APIs, cloud services, data, and outside providers. A failure or attack can therefore interrupt services as well as expose information. The risks are manageable, but they require firms to understand their dependencies, oversee providers, and plan to continue and recover critical operations.
What risks does financial digitization create?
The main change is not simply that more financial information is online. Digital services connect firms to systems and providers that may be shared across the market. A disruption at one point can affect other institutions that rely on it. The consequences depend on what failed, how critical the affected service is, how quickly it can be restored, and whether workable alternatives exist.
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- Cybersecurity and availability: Unauthorized access and data theft are risks, but so are attacks, software faults, or other events that make systems unavailable or unreliable.
- Third-party and concentration risk: Outsourcing can create dependence on providers, including providers used by many firms or with few substitutes.
- Data and API exposure: Financial and personal information may be exposed through weak protections or improperly configured connections between systems.
- Fraud and AI-related risk: AI can support defensive analysis, but can also produce unreliable outputs or help make scams more convincing.
- Operational disruption: A technology incident can impede core services and, if severe and widespread, have consequences beyond the firm directly affected.
These are technology and operational risks, not a complete account of U.S. financial law. Rules and supervisory guidance differ by institution type and regulator; requirements that apply to a bank should not automatically be treated as applying to every fintech, broker, insurer, payment firm, or financial-market utility.
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How can a technology failure spread through finance?
A firm may rely on an outside provider, a market infrastructure service, or an interconnected system to carry out a critical activity. If that dependency fails, the firm may be unable to deliver the service even if its own systems remain intact. When several institutions depend on the same provider, one disruption can affect multiple firms at once. Limited substitutes can make a provider failure harder to contain or work around.
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The Federal Reserve’s May 2026 financial stability assessment discusses this propagation mechanism and notes that both cyberattacks and non-malicious software malfunctions have disrupted financial services. Depending on the affected activity and the scale and duration of the disruption, knock-on effects could degrade liquidity, undermine investor or depositor confidence, or force asset sales. This is a description of how a shock could spread—not a claim that every vendor outage causes a market crisis.
What a modeled extreme scenario can—and cannot—show
A 2025 Federal Reserve discussion paper estimated that losses in a modeled catastrophic scenario involving attacks on third-party service providers could be “up to about 60 times larger than routine incidents.” The authors studied the 100 largest U.S. banks, nonbank financial institutions, and their third-party service providers using a proprietary cyber-risk analytics model; business interruption drove most of the modeled losses. This is a scenario estimate, not an observed loss or a forecast, and the ratio should not be applied to every institution.
In that same model, nonbanks had greater cyber vulnerabilities than banks, while banks faced larger relative losses from routine incidents. These are the authors’ model findings, not settled supervisory conclusions about every bank or nonbank.
Why do fintechs, APIs, and cloud providers change the risk picture?
Outside services can help financial firms reach consumers and provide products more efficiently. They can also create new paths to private data and new dependencies for essential work. The Federal Reserve’s July 2025 resilience report identifies improperly configured APIs as an example of a weakness that can increase data-breach risk. An API is a connection that lets software systems exchange information or requests; its security and configuration matter because it can expose data or functions across organizational boundaries.
Cloud and fintech arrangements should be assessed in context: what information or activity the provider can access, how critical the service is, how many firms rely on it, and what the institution can do if it becomes unavailable. Outsourcing a service does not eliminate the institution’s need to understand and oversee the associated risk.
How should financial firms manage third-party risk?
Federal Reserve interagency guidance treats third-party risk management as a lifecycle responsibility, with the level of oversight scaled to the relationship’s risk and complexity. The guidance is for supervised banking organizations; other financial firms should identify the rules and supervisory expectations that apply to their own circumstances rather than assume the same requirements govern them.
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Before engaging a provider
Evaluate the provider and the proposed arrangement before committing. The interagency guidance identifies factors including the provider’s legal authority, ability to comply with applicable requirements, financial condition, business experience, and potential consumer harm. Consider the access the provider will have and how difficult it would be to replace or work around it.
When setting contract terms
Use contracts to assign appropriate responsibilities and controls. The guidance highlights resilience, program and data protection, backups, cybersecurity, and business continuity. The contract should support the institution’s ability to understand and manage the relationship rather than leave key responsibilities unclear.
During the relationship
Monitor the provider on an ongoing basis, proportionately to the service’s risk and complexity. The guidance specifically points to monitoring and responding to security breaches, data loss, service interruptions, and compliance lapses. An incident process should make clear how the institution will learn about a problem and coordinate a response.
How does AI add to financial technology risk?
AI can help identify patterns and support defensive work, but it does not remove the need for controls. The Federal Reserve’s July 2025 resilience report discusses AI’s potential uses alongside concerns about cybersecurity, algorithmic bias, and ethical use. It also describes ways malicious actors might use generative AI for phishing and text-message scams, or voice cloning to challenge voice-verification controls. These are threat possibilities, not evidence that such methods defeat every control or are unique to finance.
In an April 2025 speech, Federal Reserve Governor Michael S. Barr described a particular challenge for generative AI: it can produce plausible but inaccurate information and variable answers. That can conflict with banking decisions that need to be controlled, precise, explainable, and replicable. Barr also raised sensitive-data exposure, security, and constraints from legacy data and infrastructure.
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For a proposed AI use, the practical questions are whether inputs could expose sensitive information, whether outputs are accurate and consistent enough for the task, how decisions can be explained and reproduced, and how bias and security risks will be managed. The OCC’s Spring 2026 risk perspective also identifies sophisticated cybercriminal and state-sponsored threats, ongoing fraud and scam challenges, and the importance of understanding both benefits and risks when AI tools are used for cybersecurity.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What does operational resilience mean?
The Federal Reserve defines operational resilience as the ability to deliver core and critical operations through disruption, supported by risk management and sufficient resources to prepare, adapt, withstand, and recover. It is broader than preventing cyberattacks: a firm must also be able to manage service interruptions and restore important operations.
The Federal Reserve notes that severe information-system disruption can threaten U.S. financial stability when critical operations are affected. In practice, resilience planning should account for the services a firm must sustain, its dependencies on providers and systems, and how it would continue or recover if a dependency failed. No single tool or control can substitute for that overall preparation.
Incident notification details have a limited scope
The Federal Reserve’s operational-resilience page says that a banking organization whose primary federal regulator is the Board must notify the Board as soon as possible, and no later than 36 hours after determining that a notification incident occurred. It also says a bank service provider must notify affected banking customers as soon as possible when a computer-security incident is likely to materially disrupt or degrade services for four or more hours. The page was last updated October 3, 2022. These are not universal deadlines for every financial firm or every incident; firms should verify the operative rule and regulator for their situation.
Why prepare for post-quantum cryptography?
The Federal Reserve’s July 2025 report identifies quantum computing as a forward-looking cryptographic risk: future capabilities could render current encryption standards obsolete. That does not mean financial encryption has already been broken. The report notes that NIST finalized its initial three post-quantum encryption standards in August 2024 and references agency advice to prepare a migration roadmap. The issue is planning for a possible future change in cryptographic security, not evidence of a present-day break in encryption.
How to assess a digitized service or provider
Before adopting or materially changing a digital service, a firm can use these questions to identify where oversight and resilience work are needed:
- Dependency: Which core or critical operation depends on the service, and how many other institutions may rely on the same provider?
- Substitutability: If the provider is disrupted, is there a practical alternative or a way to continue essential work?
- Data access: What data and system functions can the provider or connected API reach, and what protections govern them?
- Continuity and recovery: What backup and continuity arrangements exist, and how would the firm restore the service or its own operations?
- AI controls: If AI is involved, how are accuracy, consistency, explainability, sensitive-data exposure, security, and bias addressed?
- Oversight capacity: Can the institution evaluate the provider, monitor changes and incidents, and coordinate a response under the contract?
These questions are not a vendor ranking or a guarantee against disruption. They help connect a technology choice to the institution’s exposure, ability to oversee the relationship, and capacity to maintain critical operations.
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