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The graph above shows that the all reactions were recorded within 10h the majority within approx 2h. Given that almost all time zones were covered in this global exercise the reaction times are very good and indicate that the security contact adresses of the participants are alo monitored during out-of-office hours.
Follow Up
The participants that have not reacted to the challenge mail will get contacted via alternative channels and a solution for the communication issues will be implemented, and tested.