DHS Agreement Reveals Risks of Using Social Security Data for Voter Citizenship Checks

DHS Agreement Reveals Risks of Using Social Security Data for Voter Citizenship Checks

A recently released agreement gives the Department of Homeland Security access to hundreds of millions of Americans’ Social Security data.

It contains alarmingly few provisions to ensure accuracy and privacy, experts say.

This year, when states began using an expanded Department of Homeland Security system to check their voter rolls for noncitizens, it was supposed to validate the Trump administration’s push to harness data from across federal agencies to expose illicit voting and stiffen immigration enforcement.

DHS had recently incorporated confidential data from the Social Security Administration on hundreds of millions of additional people into the tool, known as the Systematic Alien Verification for Entitlements, or SAVE, system.

The added information allowed the system to perform bulk searches using Social Security numbers for the first time.

The initial results, however, didn’t exactly back up President Donald Trump’s contention that noncitizen voting is widespread.

President Donald Trump’s contention that noncitizen voting is widespread.

Author summary: Agreement reveals risks of using Social Security data.

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ProPublica ProPublica — 2025-10-30

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