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Home Incidents

Sumitomo Mitsui Trust Bank Faces Data Risk

September 26, 2024
Reading Time: 2 mins read
in Incidents
Sumitomo Mitsui Trust Bank Faces Data Risk

On September 25, 2024, Japan’s Sumitomo Mitsui Trust Bank reported a potential data risk linked to a ransomware attack on Takano Sogo Consulting Co., Ltd., a company engaged by the bank for outsourced services. This incident has raised serious concerns about the possible exposure of personal information belonging to the bank’s employees, including former employees, whose data had been entrusted to Takano Sogo for processing and management. While the attack has caused alarm, there is currently no confirmed evidence indicating that any personal data has been leaked or publicly disclosed.

The bank’s communication highlighted that some external traces of communication related to the attack have been detected. However, it is important to note that these traces do not definitively confirm that a data breach has occurred. This uncertainty has prompted the bank to adopt a proactive approach, focusing on monitoring the situation closely to protect its employees’ sensitive information. As a precautionary measure, Sumitomo Mitsui Trust Bank is advising its staff to remain alert and report any suspicious inquiries or activities they may encounter in the wake of this incident.

In light of this situation, the bank is collaborating with cybersecurity experts to assess the extent of the potential threat and to enhance its data protection measures. As ransomware attacks become increasingly sophisticated, financial institutions like Sumitomo Mitsui Trust Bank are recognizing the critical need for robust security protocols to safeguard sensitive information entrusted to third-party vendors. This incident serves as a reminder of the vulnerabilities associated with outsourcing and the importance of due diligence in selecting service providers.

Sumitomo Mitsui Trust Bank remains committed to transparency and will keep its employees informed as more information becomes available. As the investigation unfolds, the bank’s leadership is focused on ensuring the safety and security of its workforce’s personal information, while also reinforcing the significance of vigilance in the face of evolving cybersecurity threats.

Reference:

  • Japan’s Sumitomo Mitsui Trust Bank Faces Data Risk After Ransomware Attack
Tags: Bankcyber incidentsCyber Incidents 2024Cyber threatsFinancialJapanRansomwareSeptember 2024Sumitomo Mitsui Trust BankTakano Sogo Consulting
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