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BSI insists customers’ data, money safe after alleged breach

The country’s largest sharia bank, without either confirming or denying last Tuesday’s alleged data breach, has said its customers’ data and funds are safe and that it is working with the authorities on the incident.

Nur Janti (The Jakarta Post)
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Jakarta
Tue, May 16, 2023

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BSI insists customers’ data, money safe after alleged breach Illustration of data protection (Shutterstock.com/Boiko Y)

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tate-owned Bank Syariah Indonesia (BSI), the country’s largest sharia bank, which was allegedly targeted by a group of hackers in a data breach, insists that its customers’ data and funds are safe even as the group claimed it had released some of the stolen data on the dark web.

BSI corporate secretary Gunawan A. Hartoyo said on Tuesday that the data and funds of all customers were safe, adding that its customers could use its services as usual.

"We hope that customers remain calm [...] we assure that all transactions are secure," Gunawan said, without directly addressing the allegedly stolen data that were released on Tuesday.

He also vowed to review the bank’s electronic system regularly and improve its cybersecurity system. He added that the bank would be working with the relevant authorities, including the Financial Services Authority (OJK), Bank Indonesia and the National Cyber and Encryption Agency (BSSN) to solve the alleged cyberattack.

On Tuesday, Dark Tracer, an intelligence platform that monitors malicious online activities, posted on Twitter a screenshot of chat logs allegedly related to negotiation between the LockBit ransomware group and BSI, in which the group demanded a ransom of US$20 million.

LockBit claimed to have stolen 1.5 terabytes of data managed by BSI. The group added that it had published some data samples on the dark web on May 16 and had kept the most interesting data for further “exploitation”, as the negotiation with BSI had failed.

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