
Looking to bolster the cyber resilience of industrial control systems and sensitive critical infrastructure systems, the Department of Homeland Security has asked Congress to allow it to subpoena the companies that provide internet access so that they can warn owners and operators of specific vulnerabilities to their critical infrastructures, the senior DHS official for cyber security said on Thursday. Having administrative subpoena authority would “be a game changer in terms of really taking proactive risk-reduction, resilience-building steps” to protect a…