Query Details
SecurityAlert | where AlertName == "Impossible travel activity" | project (parse_json(Entities)[1].Name), Entities | extend Name_ = tostring(parse_json(Entities)[3].Name)
This query is searching for a specific type of security alert called "Impossible travel activity". It then extracts the name of the entity associated with the alert and displays it, along with the other entities related to the alert. Additionally, it creates a new column called "Name_" and converts the name of the third entity to a string.

Rod Trent
Released: March 26, 2020
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