Japan Exchange Group: Notice Regarding Potential Leak Of Email Information

It has come to our attention that the "IIJ Secure MX Service" provided by Internet Initiative Japan Inc. (hereinafter referred to as "IIJ"), which is the email security service used by our group (Japan Exchange Group, Inc. and its subsidiaries), was subject to a cyberattack by a third party,* and some of our email information may have been leaked.

We are currently working in cooperation with IIJ to investigate the facts surrounding this incident. We have been informed by IIJ that their countermeasures have been completed and that there will be no further information leaks in the future.
We will promptly make another announcement if any new facts that need to be communicated come to light.

* Please refer to the press release from IIJ below: