How Stack Overflow fends off scraping bots
Josh Zhang, a staff site reliability engineer at Stack Overflow, tells Ryan and Eira how the Stack Exchange network defends against scraping bots. They also cover the emergence of human botnets, why DDoS attacks have spiked in the last couple of years, and the constant balancing act of protecting sites from attack without inhibiting legitimate users.
![](https://cdn.stackoverflow.co/images/jo7n4k8s/production/56c6dab9c7d1b66bc662c5f43ea9573418d94d17-2400x1260.webp?rect=1,0,2399,1260&w=415&h=218&auto=format&dpr=2)