Group 1 - The core issue is that the well-known Japanese online retail company "Aisukeru" confirmed on the 19th that it experienced a ransomware attack, leading to network failures and a suspension of order acceptance and shipping [1] - Affected by this incident, the parent company of the home goods retail brand "Muji," Ryohin Keikaku, also suspended its online store services on the evening of the 19th, as part of its delivery operations is managed by a subsidiary of Aisukeru [1] - Ransomware is a type of malicious software that infiltrates computer systems and encrypts critical information and data, with hackers demanding ransom payments [1] Group 2 - The company is currently assessing the extent of the damage and checking for potential leaks of personal information and customer data [1] - Recent reports indicate that multiple companies in Japan have faced ransomware attacks, including the well-known brewing company Asahi Group, which experienced network failures due to such an attack at the end of September, resulting in the shutdown of several factories and delays in new product launches [1]