Santander, a Spanish bank, reported a data breach affecting customers in Chile, Spain, and Uruguay, as well as some former employees, revealing that a third party gained unauthorized access to a hosted database. Though no financial transaction data or login credentials were compromised, Santander implemented fraud prevention measures. The incident reflects a wider trend of third-party involvement in breaches faced by financial institutions, with examples such as Bank of America, Fidelity Investments, and American Express

 Santander experienced data breach through third-party provider

The need for businesses to understand their data storage, employ proactive security measures, and assess third-party risks regularly is emphasized. The exact number of affected customers remains unspecified, but Santander assured that regulators, law enforcement, and those impacted are being notified about the breach. ```
https://www.darkreading.com/cyberattacks-data-breaches/santander-falls-victim-to-data-breach-involving-third-party-provider