https://techcrunch.com/2019/09/23/cloudflare-bot-fight-mode-climate-change/

Cloudflare is ratcheting up its fight against bots with a new “fight mode,” which it says will frustrate and disincentivize bot operators from their malicious activity.

Bots are notorious for scraping websites and abusing developer access to download gobs of user data. All too often bots try to game the system by scraping concert or airline ticket prices to buy in bulk at their lowest price and sell them off for higher. Worse, some imitate real users and brute-force their way into websites with lists of stolen passwords.