If in doubt if its bots or an attack, get it confirmed via BlackOps ticket before reaching out to SRE
Use below template in the SRE team channel to trigger the request. Also, read the Cloudflare docs and inform the affected customer as well.
Template
Due to an ongoing bot attack on a project we'd like to enable Cloudflare Managed Challenge on this project.
The custom hostnames that are currently under attack are: