The U.S. Department of Homeland Security (DHS) is planning a large-scale test of the nations response to a cyberattack. The test will be a follow-up to the February 2006 Cyber Storm test. The first Cyber Storm drew 115 organizations from the United States, Canada, the United Kingdom, Australia and New Zealand. Security experts say Cyber Storm has improved participants understanding of whom to call in the event of an attack, but hasnt necessarily identified specific vulnerabilities.”]
Source: https://www.csoonline.com/article/2122033/u-s–government-readying-massive-cybersecurity-test.html