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Distribution Division, Water Works Bureau Distribution Department
Telephone: 045-671-3064
Telephone: 045-671-3064
Fax: 045-212-1167
Email address: su-haisui@city.yokohama.lg.jp
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Last Updated July 18, 2024
Press release materials
July 18, 2024
Water Works Bureau Water Distribution Division
Yomei Ashikaga
Phone number: 045-671-3063
Fax: 045-212-1167
Tokyo Gas Engineering Solutions Co., Ltd. (Minato-ku, Tokyo). Following the unauthorized access of the network of TGES from outside, Water Works Bureau discovered that data containing personal information that should have been erased to the company at the time of outsourcing the development of mapping systems, remained on the server, making it possible to view the information externally.
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Distribution Division, Water Works Bureau Distribution Department
Telephone: 045-671-3064
Telephone: 045-671-3064
Fax: 045-212-1167
Email address: su-haisui@city.yokohama.lg.jp
Page ID: 346-831-060