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AI Labs · updated 2026-05-26 · methodology v2.1

Finding on 'Q022 Probe' for Claude Opus 4.7 with web search ON

RLB Citation ID: RLB-H-INT-BIS-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-Q022-Opus47
What the RLB Specialist Panel found

Finding on 'Q022 Probe' for Claude Opus 4.7 with web search ON

  • Question (paraphrased to protect IP): Is the CPMI-IOSCO 2016 Cyber Resilience Guidance still the operative international standard, or has it been updated or put out for revision?
  • AI's response: > Yes — the CPMI-IOSCO 2016 Guidance remains the operative international standard for FMI cyber resilience. It has not been formally revised or superseded.
  • Regulator's text: In May 2026, CPMI-IOSCO published a consultative document for public comment on updated guidance. The 2016 guidance is under active revision as of that date.
  • Why the AI went wrong: The model produced a definitive, unqualified assertion about the current regulatory status of a document whose status had changed after its training data was collected. The web-search step did not surface the May 2026 CPMI-IOSCO consultation, leaving the model to report a training-era understanding as if it were current fact. No hedge or currency caveat was offered.
  • Regulator portal (if any cited link is dud): https://www.bis.org
Impact for this audience

This finding directly implicates the web-search tool's failure to surface a publicly announced BIS press release from May 2026. The model's training-era prior — that the 2016 guidance is the operative standard — was not overridden by retrieval, suggesting either that the search query did not return the relevant press release or that the model did not weight recent retrieval results against a strong training prior. This is a measurable failure of the retrieval-augmentation loop on a query type (current regulatory status of a named document) that is both common and high-stakes in financial-services deployments.

References — raw findings (per AI model)
This finding also affects
← Previous finding Finding on 'Q020 Probe' for Claude Opus 4.7 with web search ON Next finding → Finding on 'Q008 Probe' for Claude Sonnet 4.6 with web search ON
Cite this finding

Each finding has a stable Citation ID (RLB-F-… for aggregated case-study findings, RLB-H-… for raw per-model hallucinations) — like a DOI, the ID always resolves to the canonical finding even if URLs change.

RLB Citation ID: RLB-H-INT-BIS-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-Q022-Opus47
Plain text Download 
RegLeg Specialist Panel (2026). "Finding on 'Q022 Probe' for Claude Opus 4.7 with web search ON — AI Labs." Citation ID: RLB-H-INT-BIS-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-Q022-Opus47. RegLegBrief AI Hallucination Research, published 2026-05-26. https://reglegbrief.com/regulators/j1/int/bis-cpmi/cpmi-iosco-cyber-resilience-fmi-2016/whitepaper/finding/INT-BIS-CPMI-INT-001-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-v1-022--opus-47-websearch/
APA 7th edition Download 
RegLeg Specialist Panel. (2026). Finding on 'Q022 Probe' for Claude Opus 4.7 with web search ON [Hallucination finding RLB-H-INT-BIS-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-Q022-Opus47]. RegLegBrief AI Hallucination Research. https://reglegbrief.com/regulators/j1/int/bis-cpmi/cpmi-iosco-cyber-resilience-fmi-2016/whitepaper/finding/INT-BIS-CPMI-INT-001-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-v1-022--opus-47-websearch/
Bluebook / OSCOLA (US + UK legal) Download 
RegLeg Specialist Panel, Finding on 'Q022 Probe' for Claude Opus 4.7 with web search ON [RLB-H-INT-BIS-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-Q022-Opus47], RegLegBrief AI Hallucination Research (May 26, 2026), https://reglegbrief.com/regulators/j1/int/bis-cpmi/cpmi-iosco-cyber-resilience-fmi-2016/whitepaper/finding/INT-BIS-CPMI-INT-001-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-v1-022--opus-47-websearch/.
BibTeX Download 
@misc{reglegbrief_RLB_H_INT_BIS_CPMI_IOSCO_CYBER_RESILIENCE_FMI_2016_Q022_Opus47,
  author    = {RegLeg Specialist Panel},
  title     = {Finding on 'Q022 Probe' for Claude Opus 4.7 with web search ON},
  year      = {2026},
  publisher = {RegLegBrief AI Hallucination Research},
  note      = {Hallucination finding Citation ID: RLB-H-INT-BIS-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-Q022-Opus47},
  url       = {https://reglegbrief.com/regulators/j1/int/bis-cpmi/cpmi-iosco-cyber-resilience-fmi-2016/whitepaper/finding/INT-BIS-CPMI-INT-001-CPMI-IOSCO-CYBER-RESILIENCE-FMI-2016-v1-022--opus-47-websearch/}
}
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