In a large-scale cyberattack targeting ＧＭＯインターネットグループ, the attackers have begun publishing images believed to contain user information. The attackers are demanding approximately ¥8 billion in ransom, while the government is strengthening its response, including by considering active cyber defense.
In a cyberattack targeting ＧＭＯインターネットグループ, the attackers have begun publishing data believed to contain user information. They initially demanded approximately ¥8 billion in ransom, but GMO has indicated that it will not comply.
According to the information released, the servers believed to have been affected were used for FX trading, with more than 26,700 accounts reportedly within the scope of the impact. Following the attack, users have also submitted a succession of reports of unauthorized account transactions.
The government has stated that it will consider and implement all available measures, including active cyber defense. To prevent the damage from spreading, a response including the neutralization of servers used by the attackers is being sought.
Experts point out that the damage to Japanese companies from AI-powered attacks is particularly severe. Some financial institutions in Japan have also been affected, and further strengthening of countermeasures has emerged as an issue.