# Five large US banks move to block customers' AI agents as a new benchmark shows end-state scoring overstates agent success

JPMorgan Chase, Morgan Stanley, Bank of America, Citi and Wells Fargo cannot tell agent sessions from human ones on shared credentials, and an Indian payments-network benchmark finds that up to 12 percent of "successful" agent sessions skipped required steps.

- Conviction: 40 / 100 (forming)
- Horizon: Emerging (watchlist)
- Tracking since: 2026-10-24T00:00:00.000Z
- Last updated: 2026-10-24T06:43:21.582Z
- Canonical: https://polylog.news/ai/trends/event-five-large-us-banks-move-to-block-customers-ai-agents-as-a-n
- Publisher: Polylog
- Affected regions: United States

## Recent evidence

- [neutral] Five large US banks move to block customers' AI agents as a new benchmark shows end-state scoring overstates agent success (2026-10-24): Auto-opened to track an article no existing trend covered.