You can initiate a freeze through three main channels. Online is the fastest method, typically taking effect almost immediately. Freeze My Credit | TransUnion

To freeze your TransUnion credit report, you should primarily use a , as the "Credit Lock" feature is being discontinued in several TransUnion products as of early 2025. A credit freeze is free, legally mandated, and provides the strongest protection against unauthorized new accounts. How to Place a TransUnion Credit Freeze