TransUnion: Most Fraud Now Hits After Account Onboarding, Not During It
A new TransUnion report finds that fraudsters increasingly target established customer relationships rather than sign-up processes, using social engineering, deepfakes, text spoofing and stolen credentials to impersonate customers or brands. Account login made up 53% of suspected digital fraud in the first half of 2026, and 58% of organizations said fraud is evolving faster than their ability to detect it.
GoKawiil's interpretation of the reporting above, not reported fact.
The findings suggest organizations have hardened onboarding defenses only to see attackers shift focus to post-signup interactions, meaning existing fraud-prevention investments may be misallocated. TransUnion's Brian Killeen notes that attackers are now building automated systems that probe and reverse-engineer security controls, which could force companies to monitor ongoing account activity as closely as initial verification.
- Fraud now mostly occurs after customer relationships are established, per TransUnion.
- Account login represented 53% of suspected digital fraud in H1 2026.
- 58% of organizations fear fraud detection is falling behind attacker sophistication.
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Published there as: “Trust Is Not What It Seems — And Fraudsters Are Counting on It”
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