An incident was confirmed in which suspicious messages were received by guests who had made reservations using the “TEMAIRAZU Series” provided by Temairazu,Inc. After investigating the cause, the company discovered unauthorized access to its systems. Reports have been received that the messages were sent to guests by multiple accommodation facilities from around late night on 21 September.
On 28 September, Temairazu,Inc. announced that an incident had been confirmed in which suspicious messages were received by guests who had made reservations using its “TEMAIRAZU Series” service. The incident began around late night on 21 September, and reports were received that suspicious messages had been sent to guests by multiple accommodation facilities.
The company explained that its investigation had confirmed unauthorized access to its systems. The publicly available information refers to the timing of the unauthorized access and the scope of the impact.
The suspicious messages were sent via messaging apps such as WhatsApp, email and SMS, and concerns were raised about their connection to reservations. The release outlines the company’s future response, efforts to identify the cause and notification of relevant parties.