Banco Santander Plunges 5.28% Amid Data Breach Concerns

On April 7, 2025, Banco Santander's stock experienced a significant drop of 5.28% in pre-market trading, reflecting investor concerns and market volatility.

Recently, Banco Santander disclosed a data breach involving a third-party provider that affected customers in Chile, Spain, and Uruguay. The breach involved unauthorized access to a database hosted by the third-party provider, which contained information on current and some former employees. The bank promptly implemented measures to contain the incident, blocking compromised access and establishing additional fraud prevention controls to protect affected customers.

The compromised database did not store transactional data, online banking details, passwords, or other sensitive information that could facilitate unauthorized transactions. The bank assured customers that its operations and systems remained unaffected, allowing customers to continue transacting securely. However, the specific details of the incident, including the type of data exposed and the number of individuals impacted, remain unclear.