What is Botnet?

Question :

What is Botnet?

Botnets consists of many bots working together, may be used to gain unauthorized access to computer systems and infect computers . For Example, The attack used the Mirai IoT Botnet, Taking control of over 600,000 IoT devices to flood Dyn with traffic in a massive DDoS attack. The devices seemed to be mostly routers and IP cameras. IP cameras are frequently targeted IoT devices.