Interbank, one of Peru’s largest banks, confirmed a significant data breach that may have exposed the personal and financial data of up to 3 million customers. The bank issued multiple statements on Wednesday following reports by dark web researchers who found stolen customer data being sold online. In response, Interbank took some services offline and implemented additional security measures.
Details of the Data Breach
In a statement on social media, Interbank acknowledged that some customer data was exposed by unauthorized third parties, adding, “We immediately deployed additional security measures to safeguard the operations and information of our customers.” Although Interbank assured customers that deposits and financial products are secure, it did not clarify which services were affected. Customers reported issues with password resets and online account access, which the bank said would be resolved following their investigation.
Founded in 1897, Interbank is the fourth-largest bank in Peru, managing extensive operations nationwide with thousands of branches and ATMs. The bank generated over $1.5 billion in revenue last year, underscoring its pivotal role in Peru’s financial sector.
The Stolen Data and Hacker’s Claims
Cybersecurity researchers who analyzed the dark web post verified that the leaked data includes names, phone numbers, national ID numbers, IP addresses, and financial transaction information. Additionally, the hacker claims to possess 3.7 TB of data, including credit card details, CVVs, and login credentials for Interbank customer accounts. According to the hacker, they had been negotiating with Interbank for two weeks before talks allegedly broke down.
The breach has drawn significant public attention, prompting Peruvian regulators to investigate. The Cybercrime Prosecutor’s Office of Lima has filed charges against the alleged hacker, ordering virtual patrols, searches, and the collection of statements from Interbank representatives. The banking regulator has also requested a cybersecurity report to ensure that vulnerabilities have been addressed.
Escalating Cyber Threats Across Latin America
This breach highlights a growing cyber threat in Latin America, where financial institutions and government agencies have faced increasing attacks by nation-state hackers, ransomware groups, and extortion gangs. In response, Latin American governments have ramped up law enforcement efforts to combat these threats, as cybercriminals continue to target the region’s financial sector.
With customer data security in the spotlight, Interbank’s swift response and enhanced security measures are aimed at restoring confidence as authorities work to address the incident and prevent future attacks.
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