What Can Someone Do With Your Social Security Number?

Your Social Security Number (SSN) plays a central role in your identity. In the wrong hands, it can be misused in ways that are difficult to detect and even more difficult to fix. Many people only start asking questions after a data breach or a suspicious request for their SSN. By then, the damage may already be in motion.

So what can someone actually do with your SSN? And how much risk are you really facing? This article explains the signs your SSN may be compromised and what steps to take to improve your security.

What Is a Social Security Number and Why It Matters

An SSN is a nine-digit number issued by the Social Security Administration (SSA) of the United States to track earnings and benefits. According to the SSA, it’s used to record your work history, determine your eligibility for Social Security benefits, and handle taxes.¹ Over time, it’s become widely used to help verify identity across many systems.

Today, your SSN is used far beyond government programs. Banks, employers, healthcare providers, and other institutions use it to verify your identity. Because of this, it connects to many parts of your financial and personal life.

That is why your SSN matters so much. If someone gets access to it, they can use it to impersonate you and commit fraud. Unlike a password, you can’t easily change it, which makes it a long-term target for criminals. Protecting your SSN is essential to keeping your identity and finances safe.

What Can Someone Do With Your Social Security Number?

If someone gets access to your SSN, the effects may not appear right away. In many cases, the damage develops over time. Here are some of the possible results.

Financial Damage and Debt Accumulation

Financial damage is often the first and most direct impact when someone misuses your SSN. A criminal can use it to open credit cards, take out loans, or sign up for services in your name. These accounts are tied to your identity, so any unpaid balances or missed payments show up on your record. You may not notice right away, but the debt can grow quickly behind the scenes.

This type of fraud is becoming more common. The Federal Trade Commission (FTC) reported over 1 million identity theft reports in 2024², which shows how widespread the problem is. As these cases increase, more people are left dealing with debt they didn’t create.

The consequences can be serious. You may start getting collection calls, see unfamiliar charges, or struggle to keep up with payments that aren’t yours. Fixing the issue often takes time and effort, and if you delay it, the financial damage can become harder to reverse.

Credit Score Impact and Loan Denials

A stolen SSN can quickly damage your credit score. When criminals open accounts in your name, those accounts appear on your credit report. Missed payments, high balances, or defaults can lower your score, even though you didn’t create the accounts. This can happen before you notice any warning signs.

This type of fraud is rising fast. According to FTC data, there were more than 500,000 reports of credit card fraud in the first three quarters of 2025³. This makes it one of the most common forms of identity theft. Many of these cases involve new accounts opened with stolen personal data like SSNs.

The impact can last for years. A lower credit score can lead to loan denials, higher interest rates, or difficulty renting a home. Even after you fix the issue, it can take time to remove fraudulent accounts and rebuild your credit.

Legal and Tax Complications

A criminal can file a tax return in your name and claim a refund before you do. When you file your return, it may get rejected because one was already submitted. This can delay your refund and require extra steps to fix.

This type of fraud is common. The Internal Revenue Service (IRS) flagged nearly 2 million tax returns for potential identity theft in a recent tax filing season⁴. Criminals can also use your SSN for other activities tied to your identity, such as:

• • Applying for jobs, thereby creating incorrect income records
  • Reporting wages under your name
  • Filing for unemployment or other benefits
  • Accessing healthcare or filing insurance claims

These actions can create records you don’t recognize and lead to legal or tax issues. You may receive notices about income you never earned or owe taxes on money you never made. Fixing this often takes time and requires proof that the activity wasn’t yours.

Long-Term Identity Theft Consequences

Identity theft linked to your SSN can have long-term effects. The damage doesn’t always stop after the first incident. A stolen SSN can be reused over time, which means new fraud can appear months or even years later.

This risk is ongoing. The Identity Theft Resource Center reports that identity theft can involve repeated incidents. In 2025, 31.5% of victims reported being targeted twice, and 24.6% experienced three incidents within a year⁵. Once your SSN is exposed, it can continue to circulate and be used again in different ways.

The impact can affect multiple parts of your life. You may face ongoing credit issues, repeated fraud alerts, or problems with financial and government records. Fixing these issues can take years, and in some cases, the risk never fully goes away because your SSN can’t be changed easily.

How Criminals Get Access to Social Security Numbers

Here are some of the ways SSNs get into the wrong hands:

• • Data breaches and Dark Web leaks: One of the main ways criminals get SSNs is through large-scale data breaches. When companies that store personal information get hacked, millions of records can be exposed at once. After these breaches, criminals often sell the stolen data on the Dark Web, where other attackers can easily buy and use it.
  • Phishing and social engineering: Not all attacks rely on hacking systems. Many criminals go straight to individuals and try to trick them into handing over their SSN. They use fake emails, text messages, or phone calls that look like they come from trusted sources. This tactic is widely used.
  • Mail theft and dumpster diving: Some criminals use simple physical methods to find sensitive information. They may steal mail from your mailbox or go through discarded documents to look for SSNs. Items like tax forms, bank statements, and medical bills often contain this information, especially if they are not shredded before being thrown away.
  • Insider threats and corporate leaks: In some cases, the risk comes from inside organizations that handle your data. Employees, contractors, or partners may expose SSNs either by accident or on purpose. Weak security practices can make this worse. According to the Cybersecurity Insiders 2024 Insider Threat Report, 71% of organizations said they feel at least moderately vulnerable to insider threats⁶.

Warning Signs Your Social Security Number Is Compromised

If your SSN is compromised, the signs aren’t always obvious. In many cases, the warning signals appear gradually and can be easy to miss if you aren’t actively checking your accounts. These are common warning signs of identity theft, based on guidance from consumer protection agencies like the FTC⁸ and the IRS⁹.

• • Unfamiliar accounts or credit cards appear: You may see new credit cards, loans, or accounts on your credit report that you didn’t open.
  • Your credit score drops unexpectedly: Your credit score may drop if fraudulent accounts carry balances or missed payments.
  • You receive bills or collection notices for unknown accounts: Letters or calls about debts you don’t recognize may mean someone is using your identity to borrow money or make purchases.
  • Your tax return gets rejected: If you file your taxes and are told a return was already submitted, it may mean someone used your SSN to file a fraudulent return.
  • Government benefits are missing or changed: Issues with your government benefits, such as unexpected changes or disruptions, may indicate identity theft.
  • You see job or income records you don’t recognize: If your SSN is used for employment, it can create records that don’t match your actual work history.
  • You get alerts about account changes you didn’t make: Unexpected account activity or changes you didn’t make can signal unauthorized access.
  • You receive medical bills or insurance claims you don’t recognize: This may mean someone used your identity to receive healthcare services.

What to Do If Someone Has Stolen Your SSN

If someone has stolen your SSN, acting quickly can help limit the damage. If your SSN is compromised, the FTC recommends taking the following steps to report and recover from identity theft⁷:

• • Report the incident through the Federal Trade Commission’s identity theft reporting system.
  • Place a fraud alert on your credit reports.
  • Review your credit reports for unauthorized activity.
  • Close fraudulent accounts.
  • Consider placing a credit freeze.

How To Stop Others From Using Your Social Security Number

Protecting your SSN involves limiting exposure and monitoring your accounts, as recommended by agencies like the FTC¹⁰ and IRS⁹.

• • Limit where you share your SSN: Don’t give it out unless necessary. If possible, ask if another form of identification can be used instead.
  • Protect your documents: Keep tax records, medical files, and other sensitive papers in a safe place. Shred anything that contains your SSN before throwing it away.
  • Secure your online activity: Use strong, unique passwords and additional security measures, such as two-factor authentication, to help protect your accounts. Avoid sharing sensitive personal information on public or unsecured networks.
  • Watch for signs of identity theft: Pay attention to unusual activity or alerts about your accounts.
  • Monitor your credit regularly: Check your credit reports for unfamiliar activity. Early detection can help you stop fraud before it grows.
  • Use credit freezes or fraud alerts: Consider options that alert you to suspicious activity or help you respond quickly if your information is misused.

Protect Your Social Security Number

Your SSN connects to many parts of your life, which makes it valuable but also vulnerable. You can’t control every risk, but you can take steps to limit how and where your information is exposed.

One way to reduce risk is to further protect your activity online. CyberGhost VPN encrypts your connection, which adds an extra layer of protection when you’re online. It works quietly in the background while you go about your day. You can try it with peace of mind thanks to a 45-day money-back guarantee (14 days for monthly users).

FAQ

References:

1. The Story of the Social Security Number – Social Security Administration
2. New FTC Data Show a Big Jump in Reported Losses to Fraud to $12.5 Billion in 2024 – Federal Trade Commission
3. Identity Theft Reports – Federal Trade Commission Tableau Public
4. National Taxpayer Advocate issues mid-year report to Congress – Internal Revenue Service
5. Identity Theft Resource Center 2025 Consumer Impact Report – Identity Theft Resource Center
6. Cybersecurity Insiders 2024 Insider Threat Report – Cybersecurity Insiders
7. Federal Trade Commission Identity Theft – IdentityTheft.gov
8. What To Know About Identity Theft – Federal Trade Commission
9. Identity theft guide for individuals – Internal Revenue Service
10. Identity Theft: How to protect your personal information from identity theft – Federal Trade Commission