One observation, and where it came from.
new session issued to j.rivera from an unrecognised device
This observation is part of a written scenario. It did not come off a real network, and nothing on this deployment did.
{
"kind": "security",
"detection_type": "session_issued",
"principal": "sso-portal",
"source_address": null,
"asset": null,
"confidence": 0.9
}