Wary of the increasing number of online attacks against industrial control systems, the U.S. government has begun a major push to secure the systems used to control and monitor critical infrastructure, such as power, utility and transportation networks. Several initiatives to help secure the control systems will be rolled out by the government and federally-funded organizations in the next year, Andy Purdy, acting director of the National Cyber Security Division (NCSD) at the U.S. Department of Homeland Security, told members of the House of Representatives’ Subcommittee on Economic Security, Infrastructure Protection, and Cybersecurity during a hearing last week.