(Solved) The truth of Otsuka Corporation server falsification


This describes a server falsification that took place at Otsuka Corporation in Japan on January 19, 2019.
This issue had been resolved, and with the appropriate settings, there is no further threat.
At that time, I worked as a company employee, but it was decided to quit my job in early November of that year.
The victim’s site appears to have been successfully reopened.

Remember, there is nothing perfect in this world, so there is always a security hole.
My opinion is that people make the system, and people use it.
Each has different ideas.
There are unlimited uses beyond what system designers expect, and the system does not always work perfectly.
Even if one system does not cause a problem, it is quite possible that another system will cause a problem.
Developers including me should not forget that.

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