Korean Air Employee Data Breached in Supplier Cyberattack

Hackers have taken advantage of vulnerabilities in Oracle E-Business Suite during a coordinated global attack.

Korean Air has recently reported a data breach impacting approximately 30,000 employees, involving compromised records from a system belonging to a former subsidiary. Detailed information concerning this incident can be found in a comprehensive disclosure.

The breach was traced back to KC&D, a catering supplier divested in 2020. The hackers, who were behind previous attacks on entities such as the Washington Post, accessed sensitive employee information, including names and bank account details. Fortunately, customer data appears to have remained secure during this incident.

Investigative authorities have established a connection between this event and vulnerabilities within the Oracle E-Business Suite. The cybercriminals exploited zero-day vulnerabilities as part of an extensive global hacking campaign.

Attributing the attack to the Cl0p ransomware group, it has been noted that organizations in the aviation sector worldwide have reported similar breaches linked to this coordinated campaign. This highlights a growing trend in cyber threats targeting critical infrastructure and business operations across various industries.

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In analyzing the tactics involved in this attack, it’s likely that adversaries employed strategies categorized under the MITRE ATT&CK framework, such as initial access through exploiting known vulnerabilities and privilege escalation to gain unauthorized access to sensitive data. Cybersecurity professionals must remain vigilant and proactive in implementing robust security measures to safeguard against such emerging threats.

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