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From 4:00 a.m. on October 24, 2020, there was an inaccessibility of “GreenWaves” and the website operated by this business.
The system was restored at 7:40 p.m. on October 24, 2020 after taking countermeasures.
As for the cause, we believe that there may have been a tampering within the site that exploited a security hole.
Security holes were identified and addressed, tampered data was deleted by restoring backup data, and a complete review of site security was conducted.
Because we recovered from backup data, we were unable to recover the article updated on October 23.
We will take all possible security measures to prevent such a situation from occurring in the future.
We are very sorry for the inconvenience.
