Event ID 400: Engine state changed (started) (Microsoft-Windows-PowerShell/Operational)

What this Event ID actually records on disk, the EventData fields worth reading first, and where it sits in a DFIR triage workflow.

Channel: Microsoft-Windows-PowerShell/Operational
Provider: Microsoft-Windows-PowerShell%4Operational
Triage notes: PowerShell session started. Pairs with 403 on exit.

Microsoft Learn

https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_logging_windowsOpen the official reference ↗