Why 'Locking' Your Social Security Number Is the New Credit Freeze

Here is how to keep your Social Security number private in an age of aggressive cybercriminals. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Profit and prosper with the best of Kiplinger's advice on investing, taxes, retirement, personal finance and much more. Delivered daily. Enter your email in the box and click Sign Me Up.You are now subscribedYour newsletter sign-up was successfulWant to add more newsletters?Profit and prosper with the best of Kiplinger's advice on investing, taxes, retirement, personal finance and much more delivered daily. 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In an era where data breaches are practically a weekly occurrence and AI-powered scammers can generate convincing fake identities in seconds, simply "guarding" your nine-digit number is no longer enough.To truly protect your future, you need to transition from a passive defense to an active one. Locking your SSN is a strategic move that shuts down the two most common avenues for fraud: illegal employment and unauthorized access to your government records. By understanding the tools available — from the E-Verify "Self Lock" to the SSA’s "Electronic Access Block" — you can effectively take your identity off the market.Locking your Social Security Number (SSN) isn't a single "on/off" switch. Instead, it involves two primary government features designed to stop different types of identity theft: account takeover and employment fraud.Become a smarter, better informed investor. Subscribe from just $107.88 $24.99, plus get up to 4 Special IssuesProfit and prosper with the best of expert advice on investing, taxes, retirement, personal finance and more - straight to your e-mail.Profit and prosper with the best of expert advice - straight to your e-mail.While you cannot "freeze" an SSN exactly like a credit report, you can achieve a similar result using two distinct government "locks." Here is the breakdown of how they work and how they differ. This lock specifically prevents scammers from using your SSN to get a job or pass an employment background check at any of the millions of employers that use the federal E-Verify system.Why this is important: If someone uses your SSN for work, the employer may report that person’s income to the IRS using your SSN. When you file your tax return, you wouldn’t have included those earnings because they weren’t yours. But the IRS doesn’t know that. Their records will show you failed to report all of your income.Reminder: If you are about to start a new job with an E-Verify employer, you should log into your account and unlock your SSN. When you block electronic access to your account, this blocks everyone — including you — from accessing or changing your Social Security records online or via the SSA's automated phone system.When you do this, no one, including you, will be able to see or change your personal information. If you have requested that the SSA block access to your record and later change your mind or simply need access, you can contact the SSA and ask to have the block removed. You will need to prove your identity when you contact the SSA.Locking your Social Security Number (SSN) has become a more common and necessary tactic as AI-driven fraud, such as voice cloning and deepfakes, has made standard identity verification less reliable. Hackers and cybercriminals are relentless. According to a study by the University of Maryland, a cyber attack occurs every 39 seconds, translating into an average of 2,244 attacks per day.Being able to limit access to your information and limit the use of your SSN is a valuable tool to have if you think your number has been compromised or if your identity has been stolen.So, while you can’t put a freeze on your SSN the same way you can freeze your credit, you can make it more secure and harder to exploit.SSN lock (E-Verify/SSA)Credit freezePrimary goal:Stop employment fraud/record access.Stop new credit cards/loans.Managed by:DHS (E-Verify) & SSA.Equifax, Experian and TransUnion.Cost:Free Free (Federal law)Impact:Blocks employers/government from verifying your SSN. Blocks everyone, including you, from your SSA account.Blocks lenders from seeing your credit score. Here is a step-by-step checklist to secure your Social Security Number. Since 2026 brings new digital requirements, such as mandatory Login.gov or ID.me accounts for access to your Medicare account, following these steps in order is the most efficient way to build your "identity fortress."Securing your Social Security Number isn't a "set it and forget it" task; it's an ongoing commitment to your digital well-being. While the process of activating these blocks might take an afternoon of phone calls and web forms, the peace of mind it buys is invaluable.By putting these barriers in place, you aren't just protecting a number; you’re protecting your tax refunds, your future retirement benefits, and your credit reputation from being hijacked. In a world where identity is the new currency, a locked SSN ensures that you are the only one authorized to spend it. Don't wait for a notification of a "suspicious login" or an IRS audit to take action — build your "identity fortress" today while the keys are still firmly in your hands.We curate the most important retirement news, tips and lifestyle hacks so you don’t have to. Subscribe to our free newsletter, Retirement Tips.Profit and prosper with the best of Kiplinger's advice on investing, taxes, retirement, personal finance and much more. Delivered daily. Enter your email in the box and click Sign Me Up.Donna joined Kiplinger as a personal finance writer in 2023. She spent more than a decade as the contributing editor of J.K.Lasser's Your Income Tax Guide and edited state specific legal treatises at ALM Media. She has shared her expertise as a guest on Bloomberg, CNN, Fox, NPR, CNBC and many other media outlets around the nation. She is a graduate of Brooklyn Law School and the University at Buffalo. 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