A data breach affected 100,000 customers, including information related to bank cards.
On Tuesday, Japan announced it is facing a new wave of cyberattacks and data breaches affecting businesses, academic institutions, and millions of users, generating concern among authorities.
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Among the most serious cases is the Yakiniku King restaurant chain, whose operator indicated that more than 10.7 million registered users may have had their data, such as email addresses and phone numbers, compromised.
The retail group Mr Max Holdings also reported that the data of approximately 1.7 million customers may have been exposed after detecting suspicious access to its database over the past weekend. It temporarily suspended several services on its platform while it investigates with external experts and law enforcement.
The watchmaker Citizen Watch reported a potential data breach affecting 100,000 customers, including information related to bank cards. Osaka Metropolitan University also confirmed it is investigating a massive ransomware attack, although it has not yet specified how many people were affected.
Today, with the entry into force of the Cyber Response Capability Strengthening Act and related acts, JSDF has a new mission: “Remote Access and Neutralization Measures.” State-sponsored cyberattacks persistently target critical infrastructure. pic.twitter.com/Ay6FhQbmxg
— Japan Ministry of Defense/Self-Defense Forces (@ModJapan_en) October 1, 2026
Other affected companies include the financial group Daiwa Securities, the car rental platform Times Car, and the digital research firm GMO Research & AI, which also reported unauthorized access.
Japanese government spokesman Minoru Kihara stated that authorities are “taking these incidents very seriously” and are continuing to gather information to assess the full extent of the breaches.
This series of attacks comes amid a surge in cyber activity in Asia, with similar incidents recently reported in China and South Korea, where authorities are investigating possible AI-assisted operations.
#FromTheSouth News Bits | After the first public hearing, China demanded that Japan punish Kodai Murata, a former JSDF officer who allegedly entered the Chinese embassy in Tokyo on March 24, armed with a knife and threatening diplomats, thereby violating the Vienna Convention. pic.twitter.com/EvNcRoyLrr
— teleSUR English (@telesurenglish) October 5, 2026
Source: EFE
teleSUR: JP
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