One observation, and where it came from.
POST /api/upload with ../../ in the filename; answered 400, no file written
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": "path_traversal_attempt",
"principal": "public-web",
"source_address": null,
"asset": null,
"confidence": 0.9
}