At the end of the day, computing power is computing power, so leveraging CCTV systems to launch an attack makes sense.  Proper system hardening often stops at the systems with which we are most comfortable or the systems that fall under some compliance or regulatory requirement.  But this article demonstrates a painful truth – all computer systems are vulnerable and all pose a threat if we do not secure, update, patch and harden them appropriately.

http://www.infosecurity-magazine.com/news/ddos-attack-powered-by-25000-cctv/