@CoachMark @stux

Denial-of-service attack
It's when a website gets a lot of request at the same time which the server can't respond to and you end up getting 404 messages usually or some other error. It can happen unintentionally like if a site gets a lot of request at one time organically but most often people will target a website and with simple computer commands send a lot of traffic on purpose to cause a site to crash and remain crash so legitimate users can't access