A credit freeze (also called a security freeze) prevents anyone — including you — from opening new credit accounts in your name. Lenders check your credit before approving credit cards, loans, and mortgages. If your file is frozen, that check fails, and the account cannot be opened.
This makes a credit freeze the single most effective tool against identity theft. It’s free, reversible in minutes when you need it, and takes about 15 minutes to set up across all three bureaus.
What a credit freeze does and doesn’t do
What it does:
- Blocks new credit applications from being approved
- Prevents fraudulent accounts from being opened in your name
- Works at Equifax, Experian, and TransUnion independently
What it doesn’t do:
- Affect your existing credit cards or accounts
- Impact your credit score
- Prevent fraud on existing accounts (stolen card numbers, account takeover)
- Block non-credit checks (employment, rental, insurance in some states)
A credit freeze is specifically about new credit. It won’t stop someone who already has your credit card number from using it — that’s a separate problem handled by fraud monitoring and your card’s zero-liability policy.
Why you should freeze your credit even if you haven’t been hacked
Your Social Security Number is almost certainly already exposed. The 2017 Equifax breach exposed 147 million Americans’ SSNs, dates of birth, and addresses. Subsequent breaches have added to that. The question is not whether your data is out there — it’s whether someone uses it.
A freeze costs nothing and has essentially no downside for most people. The only inconvenience is temporarily lifting it when you apply for credit.
The three bureaus you need to freeze
You must freeze at each bureau separately. A freeze at one does not apply to the others.
Equifax: equifax.com/personal/credit-report-services/credit-freeze
Experian: experian.com/freeze/center.html
TransUnion: transunion.com/credit-freeze
You’ll also want to consider two additional agencies that some lenders check:
Innovis: innovis.com/personal/securityFreeze — smaller bureau, used by some lenders and background check companies
ChexSystems: chexsystems.com — used by banks when opening checking and savings accounts, not credit cards
Step-by-step: how to freeze at each bureau
The process is essentially the same at all three:
- Go to the bureau’s freeze page (links above)
- Create an account — you’ll need your name, address, SSN, and date of birth
- Verify your identity — usually by answering knowledge-based questions or receiving a code by phone/email
- Request the freeze — free, effective immediately or within 1 business day
- Save your PIN or password — you’ll need this to lift the freeze later. Store it securely (a password manager is ideal)
Total time: approximately 5 minutes per bureau, 15 minutes total.
How to temporarily lift a freeze when you apply for credit
When you apply for a new card, loan, or mortgage, you’ll need to temporarily lift (thaw) the freeze. The lender typically tells you which bureau they pull from. You lift only that bureau’s freeze.
How to lift:
- Log into the bureau’s website or call their freeze number
- Authenticate with your PIN/password
- Choose “temporary lift” — specify the date range (usually 1–7 days) or lift until you re-freeze
- Apply for the credit account
- Re-freeze if you chose a manual re-freeze option
The lift is usually effective within 1 hour online, up to 3 business days if requested by mail. Online and phone lifts are fast enough that this is a minor inconvenience, not a real barrier.
Tip: When applying for a mortgage, ask your lender in advance which bureaus they pull from. Mortgage lenders often pull all three (a “tri-merge” report). Lift all three for the duration of the mortgage process to avoid delays.
Credit freeze vs. fraud alert: what’s the difference
A fraud alert is weaker protection. It asks lenders to take extra steps to verify your identity before extending credit — but doesn’t block credit checks. It’s free and lasts 1 year (or 7 years if you’re a confirmed identity theft victim).
A credit freeze is stronger — it blocks the credit check entirely. A lender cannot see your frozen file unless you lift it.
For most people who want to be proactive rather than reactive, the freeze is the better choice.
Freezing credit for children and elderly relatives
Children under 16 don’t have credit files, but bureaus will create one and immediately freeze it upon request. This protects a child’s SSN from being used to open fraudulent accounts for years before they’d ever know.
For elderly relatives who no longer plan to apply for new credit, a permanent freeze with no intention to lift is a straightforward protection layer.
FAQ
Will a credit freeze affect my credit score?
No. Freezes have zero effect on your credit score. The freeze only affects who can access your file for new applications.
Do I have to freeze at all three bureaus?
Yes, if you want complete protection. Different lenders use different bureaus. A freeze at only Equifax won’t stop someone from opening an account at a lender that checks TransUnion.
What if I forget my PIN?
Each bureau has an account recovery process. Equifax and TransUnion allow you to reset online with identity verification. Experian uses a username/password rather than a PIN, making recovery similar to any account.
How long does the freeze last?
Indefinitely, until you lift it. There is no expiration date on a credit freeze.
Can I still use my existing credit cards while frozen?
Yes. A freeze only affects new applications. Your existing cards, loans, and credit lines are completely unaffected.