Set up Microsoft Sentinel

Lidar still detects and triages inside Authdog. This channel copies the same events into a custom table in the workspace you already investigate. Configuration belongs to one environment.

Create the channel

In the Authdog console:

1. Select the project and environment.
2. Open Notifications > Channels.
3. Select Add Channel.
4. Set Channel Name and Channel Type to Microsoft Sentinel.
5. Paste the Workspace ID. It is the Log Analytics workspace GUID from Workspace settings > Agents.
6. Paste the Shared Key. Use the workspace primary or secondary key.
7. Optionally set Custom Log Table. The default is AuthdogAudit. The name is alphanumeric. Azure stores the records as <name>_CL, so the default table is AuthdogAudit_CL.
8. Choose the event triggers. Leave the event list empty to drain every event. Build a narrower list from the event catalog.
9. Save, then send a test delivery.

The shared key is stored as a secret. Later edits show it as redacted. Select Change only when you are replacing it.

What lands in Sentinel

Deliveries use the workspace key, not the X-Authdog-Signature header used by generic webhooks. A 2xx from Log Analytics is success. Failures retry with exponential backoff, starting at 60 seconds, for at most five attempts. Redelivery signs the stored payload again with the current shared key. Inspect delivery records if a test does not appear.

The custom table can take a few minutes to show the first rows. Search _CL after that, not the bare name you typed.

This is log intake, not a Lidar detector. Signals stay in the console under Lidar.

Test it

1. Trigger a sign-in in the same environment.
2. In the Log Analytics workspace, query the _CL table once it exists.
3. Confirm a failed destination shows up in delivery records, then recovers after Azure accepts the retry.

Repeat the channel in production with a production workspace. Channels do not copy between environments.

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