News
Print Article

ASK MAT – im thinking of using Anthropic's Claude for my Financial Services – what are the risks

18/05/2026

ASK MAT – I'm thinking of using Anthropic's Claude for my Financial Services – what are the risks?

MAT SAYS:

  • I am not an AI expert (I im reading a lot right now), so my answer is provided in good faith and based on my understanding at this time.
  • Comsure AI expert is Bart, and he can be spoken to if you want more details

MAT SAYS

  • Claude for Financial Services is a strong enterprise AI solution for regulated financial workflows.
  • Launched in July 2025 and significantly expanded in 2026, it is built on the Claude 4 model family (including Claude Opus 4 variants and Claude Code).
  • It offers governed data connectors (e.g., FactSet, S&P Capital IQ, Snowflake, Databricks), 10 pre-built agents for tasks like KYC/AML screening, pitchbooks, credit memos, financial statement review, valuations, and month-end closing, plus expanded usage limits.
  • It provides robust privacy controls for enterprise users, no training on customer data by default, Zero Data Retention (ZDR) options, and strong compliance features and is already in production at major institutions.
  • It is Acceptable for augmented human workflows with strong governance, but high-risk for unsupervised high-stakes decisions due to hallucination potential, prompt injection, and regulatory scrutiny.
  • It significantly outperforms consumer tiers on security and compliance.
  • Use only under enterprise agreements with internal oversight; it is not a replacement for human judgment or traditional systems.

WHY AVOID Free/Public or Less Secure Options

Consumer plans (Free, Pro, Max) and non-enterprise tiers are unsuitable for financial services data:

  • Data Training & Retention: Prompts and outputs can be used for model training (opt-out required, with up to 5-year retention possible). No Zero Data Retention.
  • Weaker Controls: Lacks SOC 2/ISO audit rights, governed connectors, audit logs, SSO/SCIM, private networking, and contractual guarantees needed for GLBA, GDPR, SOX, or PCI compliance.
  • Leakage & Liability Risks: Accidental pasting of MNPI, PII, or client data exposes it to training datasets and potential breaches. Regulators and auditors view consumer AI use on sensitive data as a major red flag, increasing legal and financial exposure.
  • No Enterprise Features: Missing agent governance, compliance APIs, and data residency options critical for financial institutions.

Recommendation:

  • Strictly prohibit consumer Claude (or similar public tools) from using any production financial data.
  • Route all sensitive work through verified enterprise contracts only.

1. Data Privacy & Security Risks (Medium)

  • Strengths: Enterprise ZDR, encryption, certifications (SOC 2 Type II, ISO 27001/42001), no default training on customer data, and audit tools.
  • Risks: Prompt injection/data exfiltration, human error in sharing sensitive info, sub-processor flows, and occasional minor incidents (e.g., code leaks, not customer data).

Mitigation:

  • Enforce DLP tools, anonymisation, strict policies, and regular vendor audits.

2. Model Reliability & Accuracy Risks (High)

  • Hallucinations, omissions, or errors in analysis, valuations, compliance outputs, or complex modelling (advanced models can still show notable issues in intricate tasks without grounding).
  • Agentic amplification if not properly supervised.

Mitigation:

  • Require human-in-the-loop review, source verification, and
  • Rigorous Proof-of-Concept (PoC) testing with your data.

3. Regulatory & Compliance Risks (Medium-High)

  • Strong certifications support compliance but do not absolve your obligations under frameworks like SR 11-7 (model risk management), DORA, Basel requirements, or others. Regulators increasingly scrutinise concentration risk, vendor dependency, and autonomous decision-making.
  • Broader AI oversight on autonomy and dual-use capabilities (e.g., cybersecurity-focused models).

Mitigation:

  • Document all uses for audits, maintain fallback processes, and
  • Align with evolving regulatory guidance.

4. Operational & Vendor Risks (Medium)

  • Potential outages, lock-in via connectors/agents, cost scaling with high-volume use, and impacts from Anthropic's broader policies or partnerships.

Mitigation:

  • Negotiate strong SLAs,
  • Adopt a multi-vendor strategy, and
  • Develop business continuity plans.

Overall Recommendations

  • Proceed only via enterprise deployment with sign-off from legal, risk, and compliance teams.
  • Start with low-sensitivity PoCs before scaling.
  • Compare alternatives for diversification and resilience.
  • Monitor Anthropic's Trust Centre and regulatory updates.

Important Reminder for Regulated Businesses:

  • Before adopting Claude for Financial Services (or any similar generative AI technology), you must undertake a comprehensive technology risk assessment.
    • This should evaluate data flows, model risks, operational resilience, third-party dependencies, and alignment with your regulatory obligations.
    • (Bart at Comsure offers support here)
  • Engage your internal risk, compliance, and infosec teams early (Bart at Comsure offers support here)
  • Enterprise AI tools can deliver significant value but require proactive governance to manage shared responsibilities effectively.

MATS RISK STATEMENT

  • This briefing is based on publicly available information as of mid-2026.
  • For the most current details tailored to your organisation, contact Anthropic's enterprise sales team and consult your advisors or Bart at Comsure.  

WWW Sources  

  1. https://www.anthropic.com/news/finance-agents
  2. https://www.anthropic.com/news/claude-for-financial-services
  3. https://fortune.com/2026/05/05/anthropic-wall-street-financial-services-agents-jamie-dimon/
  4. https://www.anthropic.com/responsible-scaling-policy/updates (ZDR)
  5. https://privacy.claude.com (enterprise privacy)
  6. https://www.bloomberg.com/news/articles/2026-05-05/anthropic-unveils-ai-agents-to-field-financial-services-tasks
  7. https://www.fisglobal.com/about-us/media-room/press-release/2026/fis-brings-agentic-ai-to-banking-with-anthropic-starting-with-financial-crimes
  8. https://www.halberthargrove.com/news-guidance/anthropic-claude-leak-ria-firm-advisors/ (leak context)
  9. https://venturebeat.com/ai/financial-firms-get-a-purpose-built-claude-as-anthropic-bets-on-vertical-ai-platforms
  10. https://www.anthropic.com/events/claude-for-financial-services

This briefing draws from public sources. Please engage your teams and Anthropic sales for tailored details. Or please let me know if you would like to meet Bart.

ASK MAT CYBER DIGITAL TRUST AI DATA PROTECTION

The Team

Meet the team of industry experts behind Comsure

Find out more

Latest News

Keep up to date with the very latest news from Comsure

Find out more

Gallery

View our latest imagery from our news and work

Find out more

Contact

Think we can help you and your business? Chat to us today

Get In Touch

News Disclaimer

As well as owning and publishing Comsure's copyrighted works, Comsure wishes to use the copyright-protected works of others. To do so, Comsure is applying for exemptions in the UK copyright law. There are certain very specific situations where Comsure is permitted to do so without seeking permission from the owner. These exemptions are in the copyright sections of the Copyright, Designs and Patents Act 1988 (as amended)[www.gov.UK/government/publications/copyright-acts-and-related-laws]. Many situations allow for Comsure to apply for exemptions. These include 1] Non-commercial research and private study, 2] Criticism, review and reporting of current events, 3] the copying of works in any medium as long as the use is to illustrate a point. 4] no posting is for commercial purposes [payment]. (for a full list of exemptions, please read here www.gov.uk/guidance/exceptions-to-copyright]. Concerning the exceptions, Comsure will acknowledge the work of the source author by providing a link to the source material. Comsure claims no ownership of non-Comsure content. The non-Comsure articles posted on the Comsure website are deemed important, relevant, and newsworthy to a Comsure audience (e.g. regulated financial services and professional firms [DNFSBs]). Comsure does not wish to take any credit for the publication, and the publication can be read in full in its original form if you click the articles link that always accompanies the news item. Also, Comsure does not seek any payment for highlighting these important articles. If you want any article removed, Comsure will automatically do so on a reasonable request if you email info@comsuregroup.com.