How to Freeze Your Credit (and Why It Is the Best Free Protection)

Of all the steps in personal security, freezing your credit may have the best ratio of protection to effort. It is free, it is reversible, and it directly blocks the most damaging form of identity theft: criminals opening new accounts, loans, or cards in your name. If a data breach has ever exposed your details, and statistically it almost certainly has, a credit freeze is how you stop those details from being used against you.

What a credit freeze actually does

When you apply for new credit, the lender checks your file with the credit bureaus. A freeze locks that file, so no new lender can see it, which means no new account can be opened in your name, even by someone who has your full personal details. It does not affect your credit score, it does not stop you using your existing cards and accounts, and it does not prevent you from being approved for credit you genuinely apply for, because you can lift the freeze temporarily when you need to. It simply closes the door to new accounts you did not authorize.

How to set it up

You place a freeze with each of the major credit bureaus separately, because a lender might check any one of them. In the United States the three are Equifax, Experian, and TransUnion; other countries have their own equivalents. Go to each bureau website directly, type the address yourself rather than following a link from an email, and look for the option to freeze your credit, sometimes called a security freeze. You will create an account or verify your identity, and you will receive a PIN or login you use to lift the freeze later. Keep that PIN somewhere safe, ideally in your password manager.

Lifting it when you need credit

The freeze is not permanent or inconvenient in practice. When you are about to apply for a loan, a new card, or anything that requires a credit check, you log in to the relevant bureau and lift the freeze, either for a set window of a few days or for a specific lender, then it re-freezes automatically or you re-enable it yourself. The lifting process takes a few minutes online. For the rare times you need it, that is a small price for blocking identity theft the rest of the year.

While you are at it

A freeze pairs well with two related habits. Consider placing a freeze on the lesser-known bureaus that handle things like check verification and bank-account opening, not just the big three, since identity thieves use those too. And keep an eye on your existing accounts with free monitoring or alerts, because a freeze blocks new accounts but not misuse of cards you already hold. Together with the rest of our weekend privacy plan, a credit freeze turns you from an easy identity-theft target into a hard one, for no money and about half an hour of effort.