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Criminals Are Selling Stolen Tax Forms For Cheap On The Dark Web

KnowBe4, Monday, March 30th, 2026

Researchers at Malwarebytes warn that cybercriminals are peddling stolen tax documents for as low as $4 per identity, with freshly stolen forms selling for $20 each.

These documents allow threat actors to conduct refund fraud, using stolen personal information to claim victims' tax refunds.

'Rather than harvesting data from scratch, fraudsters can simply purchase massive datasets of stolen Personally Identifiable Information (PII), complete with ready-to-use W-2 and 1040 forms,' the researchers write.

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