Aug 31, 2025

What to Do if Someone Has Your Social Security Number

Written by Stephen Milioti
Blog Post Image

If someone gets their hands on your Social Security number, they basically have the keys to your financial kingdom. That nine-digit code can unlock new credit cards, bogus loans, even fake tax returns — all in your name. Not cute. 

But don’t panic yet: there are clear, smart steps you can take right now to shut down Social Security fraud before it spirals.


MoneyLion offers a free and convenient way to find offers from our trusted partners designed to help you improve your credit — such as credit monitoring, credit report disputes, and getting credit by paying bills. A good credit score can lead to lower interest rates and increased borrowing power on loans and credit cards.


Your SSN slipping into the wrong hands feels like a nightmare, but you can fight back. Here’s what to do if someone has your social security number:

Contact one of the three major credit bureaus (Experian, Equifax, or TransUnion) and request a fraud alert on your credit file. That makes lenders double-check with you before approving new credit. Good news: once one bureau adds it, they’ll notify the others.

If you’re really worried, a credit freeze takes it up a notch. Freezing your credit means no one — not even you — can open new accounts until you lift it. Think of it as putting your credit in a vault. You can unfreeze it anytime when you actually need to apply for credit. If you’re wondering how to freeze your Social Security number, this is the process you’ll use.

Call your banks, credit card companies, and even PayPal. Tell them your SSN may have been compromised. They can flag suspicious activity, cancel cards, or add extra verification layers to keep hackers out.

Identity theft is incredibly unsettling, but you have recourse. Head to IdentityTheft.gov (run by the Federal Trade Commission) and file a report. You’ll get a recovery plan tailored to your situation, plus official documentation you can show to creditors when disputing charges.

If someone has already used your Social Security number fraudulently, file a report with your local police. It creates a paper trail that helps with disputes and insurance claims.

Tax refund fraud is real: Criminals use SSN numbers stolen to file fake returns and claim refunds. If you suspect tax-related identity theft, contact the IRS Identity Protection Unit immediately.

Some situations call for backup. Identity theft protection services or nonprofit consumer protection agencies can monitor your credit, flag shady activity, and guide you through recovery.

👉 Digital Security: Your Complete Protection Guide

Once you’ve taken defensive steps, it’s time to play offense. Protect your SSN like it’s your Netflix password in college:

  • Limit sharing: Don’t hand out your SSN unless it’s legally required.

  • Secure personal documents: (Shred old bank statements, store sensitive papers in a safe place.

  • Monitor credit reports: Credit card monitoring is a must, not a maybe. Check your reports at AnnualCreditReport.com. You get a free one every year from each bureau.

  • Use strong passwords: Protect online accounts linked to your finances with complex, unique logins.

  • Be wary of scams: Watch out for phishing emails, fake IRS calls, and shady “we need your SSN” requests. Criminals with SSN numbers hacked often try to trick you into giving away even more info.

  • Enable alerts: Most banks and credit cards let you set real-time alerts for new charges and transfers.

👉 Is Your Social Security Number Compromised?

If your Social Security number is stolen or hacked, fast action can make all the difference. Place alerts, freeze your credit, report fraud, and stay on top of credit monitoring. Identity theft is a pain, but it doesn’t have to ruin your financial life.

Pull your credit reports and watch for unfamiliar accounts, loans, or inquiries. If you’re a parent, you may also wonder how to find out if someone is using my child’s Social Security number. First, check if your child has a credit report. If they do, and they’ve never applied for credit, that’s  a red flag.

Rarely. The Social Security Administration only issues new numbers in extreme cases like ongoing fraud.

You can place a credit freeze directly with Equifax, Experian, and TransUnion online or by phone for free.

Locking your Social Security number helps block new credit accounts but won’t stop all fraud, like existing account misuse or tax fraud.

If your SSN is stolen, act fast: place a fraud alert, consider a credit freeze, report it to the FTC at IdentityTheft.gov, and keep monitoring your accounts for suspicious activity.


Stephen Milioti
Written by
Stephen Milioti
Stephen Milioti is a writer, editor and content strategist based in New York City. He has written for publications including The New York Times, New York Magazine, Fortune, and Bloomberg Businessweek.

MoneyLion budgeting tools are provided for informational purposes only and and should not be construed as legal, tax, investment, financial, or other advice. MoneyLion is not a fiduciary by virtue of any person’s use of or reliance on MoneyLion budgeting tools. You should consult an appropriate professional if you require any legal, tax, investment, financial or other advice.

MoneyLion does not provide, own, control or guarantee third-party products or services accessible through its Marketplace (collectively, “Third-Party Products”). The Third-Party Products are owned, controlled or made available by third parties (the "Third-Party Providers"). Should you choose to purchase any Third-Party Products, the Third-Party Providers’ terms and privacy policies apply to your purchase, so you must agree to and understand those terms. The display on the MoneyLion website, app, or platform of any of a Third-Party Product or Third-Party Provider does not-in any way-imply, suggest, or constitute a recommendation by MoneyLion of that Third-Party Product or Third-Party Financial Provider. MoneyLion may receive compensation from third parties for referring you to the third party, their products or to their website.

The influencer, creator and other content provided in the MoneyLion App (“Content”) is for informational and entertainment purposes only and should not be construed as legal, tax, investment, financial, or other advice. All Content is intended to be of a general nature, does not address the circumstances of any particular individual or entity, and may not constitute a comprehensive or complete statement of the matters discussed. MoneyLion is not a fiduciary by virtue of any person’s use of or reliance on the Content. You should consult an appropriate professional if you require any legal, tax, investment, financial or other advice.

By clicking on some of the links above, you will leave the MoneyLion website and be directed to a new third party website. MoneyLion’s Terms of Service and Privacy Policy do not apply to the new website; consult the terms of service and privacy policy on the new website for further information. MoneyLion does not endorse or guarantee the products, information, or recommendations provided in linked sites, nor is MoneyLion liable for any failure of products or services advertised on these sites.