Social Security & Taxes
Someone Filed a Tax Return Using My Identity
If someone used your Social Security number to file a tax return, this Guide shows how to respond to the IRS, report it, and protect your future returns.
Is this Guide for you?
Your e-filed return was rejected because a return was already filed with your Social Security number, the IRS sent you a letter about a return you didn't file, or you think someone used your information for taxes.
This Guide helps you
- Respond to an IRS letter the right way
- Report tax identity theft to the IRS
- Protect future returns with an Identity Protection PIN
- Report identity theft and get a recovery plan
You'll answer 3 short questions. Then you'll get a plan with the steps in order. Your answers stay in this browser tab. They aren't saved, and they aren't sent to Defend.
Based on guidance from Federal Trade Commission and Internal Revenue Service. Sources last checked October 5, 2026.