MetLife Data Breach: SSNs Exposed
By Join The Case · Published March 9, 2026 · Updated March 10, 2026 · 6 min read
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Dapeer Law, P.A., a top-rated class action law firm, is investigating the MetLife data breach. If you received notice that your information was exposed during this breach, you may be entitled to compensation. It's free to join our investigation to see if we can help you recover.

MetLife Data Breach Lawsuit Investigation

On January 29, 2026, an employee of Metropolitan Life Insurance Company (MetLife) mistakenly emailed a file containing sensitive customer information to an unrelated group customer’s human-resources administrator. The recipient alerted MetLife the same day and confirmed deletion of the file, yet affected individuals’ personal data was briefly exposed. If you received a breach notice, complete the form on this page to discuss your rights and potential claims.

Download Official Breach Notice (PDF)

Key Takeaways

  • Incident date: January 29, 2026 (same-day discovery).
  • Breach type: Email misdirection to another MetLife group customer.
  • Data exposed: Social Security numbers, names, coverage type, coverage start date, and group number.
  • Notice mailed: March 6, 2026; reported to the California Attorney General on March 9, 2026.
  • Free one-year three-bureau credit monitoring offered through TransUnion’s myTrueIdentity.

Timeline of the MetLife Data Breach

EventDate
Misdirected email sent / breach begins & endsJanuary 29, 2026
Incident discovered by MetLifeJanuary 29, 2026
Consumer notification letters mailedMarch 6, 2026
Reported to CA Attorney GeneralMarch 9, 2026
Public disclosure date (this article)March 9, 2026

What Information Was Involved?

The misdirected file contained the following personal information for certain MetLife customers:

  • Social Security number
  • Name
  • Coverage type
  • Coverage start date
  • Group number

MetLife’s Response

According to the breach notice, MetLife:

  • Immediately contacted the unintended recipient, who confirmed deletion of the email and file.
  • Offered affected individuals complimentary three-bureau credit monitoring and identity-restoration services for one year via TransUnion’s myTrueIdentity platform.

Actions You Can Take

MetLife’s letter outlines several steps you may consider:

  1. Enroll in the complimentary credit monitoring within 90 days using the activation code included in your letter.
  2. Review your credit reports and financial statements for unfamiliar activity.
  3. Consider placing a fraud alert or security freeze with Equifax, Experian, and TransUnion.
  4. Visit the FTC’s identity-theft portal (ftc.gov/idtheft) for additional guidance.

Legal Rights & Next Steps

Even a brief exposure of Social Security numbers can lead to identity theft and financial fraud. State privacy laws may entitle you to compensation if negligence contributed to the breach. Our investigation focuses on whether MetLife used reasonable safeguards and provided timely, adequate notice.

Free case evaluation: If you received a MetLife breach letter, submit your details to learn about potential claims and how to preserve your rights.

Company Overview

Frequently Asked Questions

I received a data breach letter from MetLife — what should I do?

Follow the enrollment instructions in your notice to activate the free credit-monitoring service within 90 days, review your credit reports, and consider placing a fraud alert.

How do I submit a claim related to the MetLife data breach?

Complete the evaluation form on this page. An attorney will review whether you qualify for compensation under state or federal privacy laws.

Am I eligible to join a lawsuit against MetLife?

You may be eligible if your personal information was included in the misdirected file. Eligibility depends on several factors, including residency and proof of impact.

What information did the MetLife breach expose?

The file contained Social Security numbers, names, coverage type, coverage start date, and group numbers.

Did MetLife offer credit monitoring, and for how long?

Yes. MetLife is providing a complimentary one-year, three-bureau credit-monitoring and identity-restoration service through TransUnion.

How many people were affected by the MetLife breach?

The notice did not disclose a specific headcount. If you received a letter, MetLife’s records indicate your data was involved.

How can I get the official breach notice (PDF) for MetLife?

You can download it directly from the California Attorney General’s website using the button near the top of this article.

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