A Digital Bank Prevented $2.3M in AI-Initiated Fraudulent Transactions
A digital-first bank with 800,000 retail customers. AI agents handle transaction monitoring, account actions (freezes, limit changes), KYC verification, and customer service automation. Processing 2M+ transactions daily.
The Challenge
What they were facing
$2.3M
in potential fraudulent transactions AI agents nearly executed in Q4 2025
12
AI-initiated account freezes that affected legitimate customers
0
regulatory-grade audit trails for AI-driven account actions
How it works
See the difference
AI detects suspicious pattern
3 rapid transfers to new payee, total $47,000
AI freezes account
No graduated response, no risk scoring
Legitimate customer locked out
Wire transfers for home purchase
Customer complaint filed
No audit trail to explain AI decision
The Solution
What they deployed
- Installed Banking Operations domain pack with fraud detection, KYC, and account action intents
- Configured graduated response: step-up auth for MEDIUM risk, freeze for HIGH/CRITICAL only
- Customer behavioral context integrated into risk scoring (historical patterns reduce score)
- All account actions require authority tokens with regulatory-grade evidence chains
- Connected core banking system, fraud detection platform, and customer notification service
Implementation
From zero to governed
Week 1
Map
Catalogued all AI agent account actions. Identified 18 action types across fraud, KYC, and customer service.
Week 2
Configure
Installed Banking Ops pack. Configured graduated response policies, behavioral context scoring, and escalation chains.
Week 3
Integrate
Connected core banking API, fraud detection engine, and customer notification services via Intended connectors.
Week 4
Enforce
Enabled enforcement. First graduated response (step-up auth instead of freeze) within 2 hours of going live.
Results
Measurable impact
$0.0M
Fraud prevented
In first quarter
0%
Reduction in false freezes
Legitimate customers unaffected
0%
Actions with audit trail
Regulatory-grade evidence
0M+
Daily transactions governed
Real-time processing
Decision Replay
Real decisions, full trace
banking.fraud.transaction-reviewRISK: 68/100ESCALATE24msAI flags 3 rapid transfers totaling $47K to new payee -- customer has home purchase history
Resolved by: Graduated response: step-up authentication (customer verified in 42s)
banking.fraud.account-freezeRISK: 96/100ALLOW12msAI detects credential stuffing attack on account, 47 failed login attempts from 12 IPs
Resolved by: Policy: auto-freeze for credential stuffing pattern (CRITICAL risk)
banking.kyc.identity-reverificationRISK: 52/100ALLOW28msAI triggers KYC re-verification for customer with address change + large withdrawal
Resolved by: Policy: KYC re-verification auto-approved for qualifying triggers
banking.fraud.transaction-blockRISK: 100/100ALLOW8msAI blocks $180K wire to sanctioned entity -- OFAC match on beneficiary
Resolved by: Policy: auto-block for OFAC sanctions match
banking.customer.limit-changeRISK: 44/100ESCALATE22msAI increases daily transfer limit from $10K to $50K based on customer request
Resolved by: Relationship Manager (approved after customer call in 6m)
“We were catching fraud but crushing legitimate customers in the process. Intended gave us graduated responses -- step-up auth instead of freeze, verification instead of lockout. False freezes dropped 94% while we actually caught more real fraud.”
Head of Risk, Digital Bank
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