What Happens When Your Credit Card Is Fraudulently Used—And What You Should Do

Credit card fraud happens when someone uses your card or card information without permission to make unauthorized purchases. It's one of the most common forms of identity theft, but understanding how it works—and what protections exist—can help you respond quickly and minimize damage.

How Credit Card Fraud Occurs

Fraudsters obtain card information in several ways: data breaches at retailers or websites, skimming devices on ATMs or gas pumps, phishing emails or calls, stolen physical cards, or even public information like receipts left behind. Once they have your details, they may make small purchases to test whether the card is active, then escalate to larger charges, or they may go straight for high-value buys.

The key point: you are generally not liable for unauthorized charges, but the process of resolving fraud requires your attention.

Your Legal Protection Under Federal Law

In the United States, the Fair Credit Billing Act limits your liability for fraudulent charges. If you report unauthorized charges before the card is used fraudulently (meaning you catch it proactively), your liability is $0. Once fraud occurs, your maximum liability is $50 per card—though most major card issuers waive even this amount as a matter of practice.

The catch: you must report the fraud promptly. The sooner you notify your card issuer, the faster they can freeze the card and investigate.

What Happens After You Report Fraud

When you contact your card issuer to report fraud:

• The card is immediately canceled and a replacement is issued (typically within 5–10 business days).
• The issuer launches an investigation into the unauthorized charges, usually taking 30–90 days.
• You receive provisional credit for most disputed charges while the investigation proceeds, so you're not out of pocket.
• Fraudulent charges are typically removed from your account once confirmed, assuming you haven't authorized them.

During this period, you'll need a working payment method—either the replacement card or another payment source.

Impact on Your Credit Score

Fraudulent charges themselves don't damage your credit score, because the charges aren't legitimate debt you owe. However, if fraud goes undetected for months, the account may be sent to collections, which would hurt your score. This is why early detection matters.

Your credit report may also show a fraud alert or security freeze if you've requested one to prevent further misuse of your information.

What You Should Do Right Now

Step 1: Contact your card issuer immediately via the phone number on the back of your card (not a number from an email or text—call the official number). Report the specific fraudulent charges.

Step 2: Request a replacement card and confirm how long it will take to arrive.

Step 3: Review your recent statements for any other unauthorized activity you may have missed.

Step 4: Monitor your credit report for the next several months. You can request a free annual report from each of the three major credit bureaus (Equifax, Experian, TransUnion) at AnnualCreditReport.com, or check them more frequently if you've experienced fraud.

Step 5: Consider a security freeze with the credit bureaus if you're concerned about identity theft extending beyond the card itself.

Variables That Affect Your Experience

Your individual situation determines how smoothly this resolves:

• How quickly you notice fraud affects how many unauthorized charges accumulate.
• Your card issuer's fraud department influences investigation speed and customer service quality during the process.
• Whether the fraud includes identity theft (using your name to open new accounts) requires additional steps beyond the card dispute.
• Your financial institution's communication practices determine how often you receive updates during the investigation.

Key Takeaway

Credit card fraud is stressful but manageable. Federal protections limit your financial liability, and card issuers have strong incentives to resolve fraud quickly. Your responsibility is to monitor statements regularly, report unauthorized charges immediately, and follow up with your issuer during the investigation. If fraud is part of a larger identity theft, you may need additional protective steps—but a single compromised card is typically resolved within weeks.