
Dependence on industrial control systems (ICS) is an increasing cyber vulnerability for industry, a top National Security Agency (NSA) official said in a keynote address last week.Although ICS has historically been strong because of its obscurity like a kind of “weird software with proprietary systems,” it has become less obscure over time and providers have not adequately addressed the cybersecurity threat, Richard Ledgett Jr., deputy director of the NSA, said in a keynote address at the Joint Service Academy Cyber…