Today's morning, when I tried to login a remote conference, I was rejected from my PC terminal and looked pale.

After all, it was only me that could not join the morning meeting.

I felt the greatest fear.

I tried to login from four terminal, in vain.

I could not use all Teams functions including chat, I felt that I was rejected from all of the world.

After confirming that other persons could login the meeting, my panic was bigger.

That is an enough reason I thought that "only my profile has been destroyed"

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I had no idea that there was a world-wide breakdown of the Teams.

On the company bulletin board, I notice that "Now under the system failures, but don't rush to change your environment", however, it was too late.

I had already uninstall the Teams from my PC (and I had to spend harsh time to recover it)

This became a headline of the NHK News at noon.

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Of course, I suspected a cyber-attack.

I heard that the number of the user is almost three billion, so it would have been tremendous damage if it had been a cyber-attack.

According to SNS, In fact, this accident came to a mess, for example cancellations of remote-meeting in the world.

However, after all, most of the Teams functions were recovered by the 1 P.M. and the suspicions (cyber-attacks) were dismissed.

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Now I google about this accident, I was surprised to know that some person said "don't fix it".

This means that some persons think that "we don't have to be so serious about IT system failure"

Beause nobody says some lines about power outages, water outages, and other energy disruptions.

As a IT system engineer, I know that any IT system could not be recovered from malice attacks.

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I was astonished to learn that there are still so many people who do not understand the true horror of cyber attacks.