Hello Reader,
Continuing our series on AWS CloudTrail speed tests, today’s test focuses on a new IAM-related action: AddUserToGroup. This event is generated when you modify a user’s permissions by assigning them to an IAM group which would grant additional permissions.
Fourth Test: AWS AddUserToGroup Event
Today’s scenario involved changing account permissions by adding an IAM user to a group. This is a common way to grant new permissions via group policies. Once the user was added to the group, the AddUserToGroup event was expected to show up in CloudTrail.
Just like previous IAM tests, this raised the question: which region would the event appear in? Since IAM is a global service, AWS documents that such activity will be logged in the us-east-1 region, regardless of where the API call originates.
Results
After initiating the action and starting the stopwatch, the AddUserToGroup event appeared in us-east-1 exactly 2 minutes later.
This result is consistent with our prior IAM tests, and once again demonstrates that CloudTrail logs IAM events well within the official AWS SLA:
- Faster than the 15-minute SLA
- Faster than the 5-minute “goal” for critical events but slower than the other events we've looked at
Coming Up
In tomorrow’s post, I’ll continue testing IAM activity—next up: removing a user from a group. Stay tuned to see if the performance holds!
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