LeenLee Country Club in Gapyeong disclosed a customer-data breach after police found signs of malware infection on its website server and investigated a possible link to a North Korean Reconnaissance General Bureau hacking group. The company assessed that malware inserted into the website on October 21 exposed identity and contact data for more than 100,000 customers, including names, birth dates, gender, IDs, passwords, phone numbers, email addresses, and addresses.