How much data was stolen from South Korean courts?

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1,014 Gigabytes of Data Stolen from South Korean Court Network

North Korean hackers successfully pilfered 1,014 gigabytes of sensitive data from a South Korean court's computer system over a period spanning from January 2021 to February 2023. The stolen information encompassed critical personal details, including financial records, marriage information, and personal debt records of individuals. Authorities have since managed to retrieve and identify a portion of this compromised data.
Scope of Data Breach

The cyber intrusion targeted a court's computer network, where the hackers operated undetected for approximately two years. The sheer volume of data exfiltrated, measured at 1,014 gigabytes, indicates a significant breach of personal and potentially sensitive information held by the judicial system. This incident highlights the persistent threat posed by state-sponsored hacking groups.
Nature of Stolen Information

Among the compromised data were individuals' financial records, crucial for understanding their economic standing. Additionally, marriage records and personal debt rehabilitation cases were also exfiltrated. This type of information, if misused, could lead to identity theft, financial fraud, or other forms of exploitation.
Data Recovery Efforts

Following the discovery of the breach, South Korean authorities, in collaboration with intelligence agencies and prosecutors, launched an investigation. These efforts have led to the retrieval and identification of 4.7 gigabytes of the stolen data. This recovered data specifically contained 5,171 documents pertaining to personal debt rehabilitation cases, including marriage certificates and statements detailing insolvency reasons.

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How much data was stolen from South Korean courts?

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