Security experts from Sucuri firm have discovered a large botnet of compromised CCTV devices used by crooks to launch DDoS attacks in the wild. The CCTV botnet is composed of more than 25,000 Internet-connected closed circuit TV devices (CCTV) The company was trying to repel a DDoS attack against a small brick-and-mortar jewelry shop that was hit by almost 35,000 requests per second after the company tried to mitigate the attack. The attack continued for several days using IP addresses located in more than 105 countries around the world.”]
Source: http://securityaffairs.co/wordpress/48807/iot/cctv-devices-ddos.html