The Internal Revenue Service has issued an urgent warning to tax professionals over a new scam in which cyber-criminals impersonate the IRS over email in an attempt to steal Electronic Filing Identification Numbers (EFINs).

Carrying the subject line “Verifying your EFIN before e-filing,” the scam email purports to be from “IRS Tax E-Filing.”

In the body of the bogus email, targets are asked to send an EFIN acceptance letter dated within the last 12 months and scans of the front and reverse of their driver’s license to a fake email address in order for their EFIN to be verified. 

Thieves who obtained the EFIN and driving license data of a tax professional could use it to impersonate that professional and file fraudulent returns.

“Phishing scams are the most common tool used by identity thieves to trick tax professionals into disclosing sensitive information, and we often see increased activity during filing season,” said IRS commissioner Chuck…

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