Tricky~25min

The Impossible SIM Travel

Fraud ops flagged 4 SIMs that connected from India, then from the US, only 3 hours apart — no flight makes that trip, classic SIM-cloning signature. Dozens of other SIMs also show two countries in their logs, but with a 6-day gap between them — completely normal travel, not fraud.

Tables you'll query

simsnetwork_logs

What you'll learn

JOINsDate & Time Functions
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