A catastrophic event due to the unrelenting attempts to hack government and corporate networks by state and independent actors. Also called "Cyber 911." Destabilizing the electric grid, diverting airplanes in flight and setting off missiles are examples. According to a January 2018 article in NextGov.com, "the Pentagon receives 13 billion emails per year that are full of malware, viruses and phishing schemes from hackers, terrorists and foreign adversaries trying to gain unauthorized access to military systems." See
information warfare.