Technologists, including Bruce Schneier, testifying before a House committee today on IoT security said that regulation could be the only answer to solving existing vulnerabilities.

Millions of IP-enabled cameras built on gear manufactured by Hangzhou Xiongmai of China is being recalled after DDoS attacks powered by compromised IOT devices took down a major DNS provider last week.

Ten percent of the 550,000 IoT nodes in the Mirai botnet are involved in ongoing DDoS attacks against DNS provider Dyn and others.

Level 3 Communications said the Mirai botnet has recruited close to 500,000 IoT devices since the malware’s source code was released.