We implement a countermeasure as following.

Computer Virus countermeasures

We introduce computer virus countermeasure products and check intrusion of computer viruses in real time.
We regularly verify the version upgrade and patch release information of computer virus protection products used in this service, apply it after verification.

Unauthorized access

It shall be operated based on the security content described in our service terms of use.
We will use the firewall function of the cloud service infrastructure to shut out access to this service other than system use purpose.
When the user accesses the portal of this service, we will verify the user ID and password.
When the gateway performs data communication with the service infrastructure of this service, we will confirm the certification by the certificate.

Communication of users who use the portal of this service encrypt communication by SSL.
For communication between the service infrastructure of this service and the gateway device that performs data communication, encryption of communication by SSL shall be performed.

We will consign it to an external organization that is conducting vulnerability checking and check if there are vulnerable parts in the system.