What Is This About?

If you recently received a letter or an email from Dataprev / INSS (Brazil) informing you that your sensitive personal information was compromised in a data breach, we would like to speak with you about your rights and potential legal remedies. Dataprev / INSS (Brazil) recently was the subject of a public report alleging a data leak that exposed individuals’ sensitive personal information.

What Happened?

On 2026-05-22, public reporting (via a HackNotice-monitored stream referencing an article titled “INSS reports Dataprev data leak; 50 thousand CPFs of living people are disclosed”) indicated that a data leak involving Dataprev and reported by INSS allegedly resulted in the disclosure of approximately 50,000 CPFs (Brazilian taxpayer ID numbers) belonging to living individuals. The available source text does not provide the specific incident date, when Dataprev/INSS first became aware, whether third-party forensic investigators were retained, what specific system was affected, when (or whether) impacted individuals were notified, or whether any government/attorney general filings were made.

What Information Was Impacted?

Upon information and belief, the following types of sensitive personal information may have been compromised:

• Not specified;

What Action Can You Take?

Levi & Korsinsky, LLP is investigating whether affected users are entitled to compensation. If you received a notice from Dataprev / INSS (Brazil), there is no cost or obligation to participate. Follow the link below to find out about your rights and potential legal remedies available.