New Phishing Scam Targets EFINs: IRS Alerts Tax Professionals

Published: Oct 10, 2025

Tax pros—stay alert! Cybercriminals are using fake IRS emails about EFINs to spread malware. Don’t click suspicious links or share info. Report scams to phishing@irs.gov

Tax Pros Urged to Stay Vigilant Against Email Scams Involving Electronic Filing Identification Numbers

Cybercriminals are targeting tax professionals with a new phishing scam that focuses on Electronic Filing Identification Numbers (EFINs). Fraudulent emails falsely claim that EFIN-linked tax returns require immediate review, urging recipients to download a fake “IRS Transcript Summary of Data (SOD) Viewer.” Downloading or clicking links in these emails may install harmful malware on your device.

How to Protect Yourself

  • Avoid clicking on unknown or suspicious links.
  • Verify the legitimacy of any requests for information.
  • Never share sensitive information, such as EFINs, via email or fax.
  • Report suspicious emails to phishing@irs.gov.
  • If you suspect IRS impersonation, notify the Treasury Inspector General for Tax Administration (TIGTA).

Stay Informed

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