Query Details
AzureActivity | where parse_json(Authorization).action == "Microsoft.Network/networkSecurityGroups/securityRules/write" and ActivityStatus == "Succeeded" | make-series count() default=0 on TimeGenerated in range(ago(7d), now(), 1d) by Caller |render barchart
This query is searching for Azure activity logs related to writing security rules for network security groups. It filters for activities that have a status of "Succeeded". It then groups the results by the caller and creates a series of counts for each caller over the past 7 days. Finally, it renders the results as a bar chart.

Rod Trent
Released: June 4, 2020
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