Lead a cross-team fraud incident response

Q: Lead a cross-team fraud incident response

This is a Behavioral & Leadership interview question from Gemini for Data Scientist roles. View the full question and solution on PracHub.

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Question

Describe a specific time you led a high-severity ACH fraud incident from detection to resolution. Include: (1) the first on-call signal you saw, (2) the concrete business impact you quantified (fraud rate, $ loss, affected users), (3) the decision you made within the first 24 hours and why, (4) how you aligned Risk, Compliance, Legal, Eng, and Support when they had conflicting incentives, (5) the control(s) you implemented and the rollout plan (kill switch, ramp, rollback criteria), (6) how you balanced false positives vs. loss (target metrics and thresholds), (7) what you reported to executives and regulators, and (8) the postmortem actions you owned. Be precise with dates, numbers, and trade-offs; explain one decision you would change in hindsight and why.

Lead a cross-team fraud incident response

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