There is no impact on our products or environment with respect to Apache Log4j vulnerabilities.

The following vulnerabilities have been disclosed for "Apache Log4j" software.
CVE-2021-44228 (US: 12/09/2021)
CVE-2021-45046 (US: 12/14/2021)
CVE-2021-45105 (US: 12/17/2021)
At this time, none of our internal systems or websites, including those for external use, use "Apache Log4j," so we are not affected by these vulnerabilities.
We would also like to inform you that the "T-tact AN-ZIN" cloud service provided by our company does not use "Apache Log4j," so it will not affect our customers.
We will continue to enhance the security of our products and work environment.

What is "Apache Log4j"?

"Apache Log4j" is a software (library) developed based on "Java" and is used in many systems.