EIN privacy concerns — preventing misuse and identity theft.

Oct. 11, 2025, 7:38 p.m.
Here’s a clear and practical overview of EIN privacy concerns and how to prevent misuse or identity theft for businesses in the U.S.:
EIN privacy

EIN Privacy Concerns — Preventing Misuse and Identity Theft

1. EINs Can Be Misused Like SSNs

An Employer Identification Number (EIN) is essentially a business’s tax ID, similar to how a Social Security Number (SSN) identifies an individual.

  • If someone gets unauthorized access to your EIN, they could:

    • Open fraudulent business accounts.

    • File fake tax returns or claim refunds.

    • Obtain credit or loans in your company’s name.

Tip: Treat your EIN with the same level of care as your personal SSN.

2. EINs Are Public on Some Filings

  • Certain business documents are public records, such as:

    • IRS Form 990 (for nonprofits).

    • State business registrations or annual reports.

    • Some court filings or government contracts.

  • These may include your EIN, making it accessible to anyone searching public databases.

Tip:

  • Limit EIN disclosure to required official filings only.

  • Don’t display it on public websites or unencrypted documents.

3. Sharing EINs with Vendors and Contractors

  • EINs are often requested by clients, vendors, or payment processors for tax reporting (e.g., Form 1099).

  • Sharing your EIN unnecessarily increases exposure risk.

Tip:

  • Share your EIN only with verified and trusted parties.

  • Use encrypted email or secure file portals when sending W-9 forms.

  • Verify the recipient’s legitimacy before sharing any tax information.

4. EIN Theft and Fraudulent Business Creation

  • Criminals can use stolen EINs to create fake businesses or file fraudulent tax returns.

  • This can lead to:

    • IRS investigations into your business.

    • Delays in refunds or legitimate filings.

    • Damage to business credit and reputation.

Tip:

  • Regularly monitor your IRS account transcript and business credit reports (Dun & Bradstreet, Experian Business).

  • Report suspicious activity immediately to the IRS Business & Specialty Tax Line (1-800-829-4933).

5. Protecting EIN Data Internally

  • Within organizations, poor data management can lead to internal leaks.

  • Employees may unintentionally share EINs in unsecured systems.

Tip:

  • Restrict EIN access to finance, HR, and tax personnel only.

  • Store EIN documents in password-protected or encrypted systems.

  • Train employees on business identity theft risks.

6. What to Do If Your EIN Is Stolen

If you suspect your EIN has been used fraudulently:

  1. Contact the IRS Business Identity Theft Hotline: 1-800-908-4490.

  2. File Form 14039-B (Business Identity Theft Affidavit).

  3. Notify your bank, creditors, and any credit bureaus.

  4. Update all passwords and access controls on your business accounts.

7. Preventive Best Practices

  • Use a business mailing address instead of a home address on public records.

  • Obtain an EIN verification letter (Form 147C) only when needed — store it securely.

  • Consider identity theft protection services for businesses, especially if you handle sensitive data.

  • Always verify IRS communications — the IRS never contacts by email or text for EIN matters.