Was Banco Santander hacked?

Yes. The Santander breach occurred on May 14, 2024, affecting 30 million records.

What data was exposed in the Banco Santander breach?

Santander's 2024 breach exposed data of 30 million customers and employees across multiple countries. Learn what was compromised.

What should I do if I was affected by the Banco Santander data breach?

Check if your data was exposed using our free tool, change your passwords, enable two-factor authentication, and monitor your accounts for suspicious activity.

Santander Data Breach

Critical Severity 30 million records affected Published February 10, 2026

Company	Banco Santander
Breach Date	May 14, 2024
Disclosure Date	May 14, 2024
Records Affected	30 million

In May 2024, Banco Santander disclosed that unauthorized access to a database hosted by a third-party provider exposed customer and employee data across several countries. The ShinyHunters hacking group later claimed to have 30 million customer records and offered the data for sale.

What Happened

Santander detected unauthorized access to a database hosted by one of its third-party service providers, later identified as a Snowflake cloud storage account. The bank confirmed that customer data from Chile, Spain, and Uruguay was accessed, along with data for all current and some former employees. The ShinyHunters group listed the stolen data for sale on a hacking forum for $2 million, claiming it included 30 million customer records, 6 million account numbers, 28 million credit card numbers, and HR information for bank staff. Santander clarified that no transactional data or online banking credentials were compromised.

What Data Was Exposed

Customer names
Account numbers
Credit card numbers
Dates of birth
Employee HR information
Addresses

Who Is Affected

Santander customers in Chile, Spain, and Uruguay were affected, along with all current Santander employees and some former employees globally. Customers in other Santander markets including the UK, US, and Brazil were reportedly not affected.

How to Check If You Were Affected

Santander contacted affected customers and employees directly. If you hold accounts with Santander in Chile, Spain, or Uruguay, contact your local branch or call Santander's customer service line. Check for any communications from Santander regarding the breach in your email and physical mail.

What You Should Do Now

Monitor your Santander account closely for unauthorized transactions
Request a new credit or debit card from Santander
Enable transaction alerts on your bank accounts
Be cautious of calls or emails claiming to be from Santander
Never share banking credentials or one-time passwords with callers
Consider placing a credit freeze if you are in an affected country

Last updated: February 10, 2026