Valor Econômico, Security.nl and Diário do Comércio reported a data breach at Caixa Seguridade (Brazil) on 12 November 2026, and it has been confirmed. It affected 7,600,000 customers.
What we know as of
Status
Confirmed.
People affected
7,600,000 customers.
What was exposed
Email addresses, Phone numbers, Dates of birth, Names, Addresses and CPF numbers.
When
First reported 12 November 2026.
How
Hacking.
Caixa Seguridade’s record
No earlier breach on record under this name.
Not known yet: when it began and who was behind it. This page is updated as notices and statements come in.
Every fact above has its source below. Journalists: free to quote with credit (“Privacy Unpacked data breach tracker”, with a link to this page and the date); the figures can move. Follow this breach (feed) · Every major breach · Ask us for a figure
People affected
7,600,000customers
Reported
12 November 2026News report and 2 more
What was exposed 6
Email addresses
Phone numbers
Dates of birth
Names
Addresses
CPF numbers
How it happened
How
Hacking The data was taken in an attacksourceOur translation from DutchDe data werd bij een aanval buitgemaakt
Confirmed by Caixa Seguridade: Caixa Seguridade, controlled by Caixa Econômica Federal, informed on Thursday (12) of the leak of personal dataOur translation from PortugueseA Caixa Seguridade, controlada da Caixa Econômica Federal, informou nesta quinta-feira (12) o vazamento de dados pessoais
Confirmed by Caixa Seguridade: The data was taken in an attack, as the insurer discovered on November 6.Our translation from DutchDe data werd bij een aanval buitgemaakt, zo ontdekte de verzekeraar op 6 november.
News reports are read by an AI model; every fact taken from an article was checked word for word against it, and anything it could not find was dropped. · Corrections and changes
Questions about the Caixa Seguridade breach
Was Caixa Seguridade hacked?
Valor Econômico, Security.nl and Diário do Comércio reported a data breach at Caixa Seguridade (Brazil) on 12 November 2026, and it has been confirmed. It affected 7,600,000 customers. How it happened, by the sources: hacking.
What data was exposed in the Caixa Seguridade breach?
Email addresses, Phone numbers, Dates of birth, Names, Addresses and CPF numbers, by the notices and reports on this page.
How do I know if I was affected?
Organisations normally tell the people whose data was involved, by letter or email, and that notice says what of yours was in it. We cannot look up individual people. If you got a notice, check that it is real, then follow the steps on this page.
Is there a Caixa Seguridade data breach settlement?
No settlement open for claims is on record for Caixa Seguridade as of 15 November 2026. Every open settlement is listed with its deadline.
Is a letter, email or text about the Caixa Seguridade breach real or a scam?
A real notice names the breach, says what data was involved and never asks for a password, a code or a payment. Criminals often send fake notices after a breach is in the news. Do not use links or phone numbers in the message: go to Caixa Seguridade’s own site, or check the letter here.
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