That sounds like an app-level (D)DoS, which is generally something you can mitigate yourself.

9 hours ago | parent | next [-]

[deleted]

It's harder when it's a new group of IPs and happens 2-3x every month.

	▲	herbst 9 hours ago \| parent [-]
		And if you do rule based blocking they just change their approach. I am constantly blocking big corps these days, barely any work with normal bad actors. And lots of real users time wasted for captchas.