The National Cyber Exercise: Cyber Storm (CS) is the Department of Homeland Security’s (DHS) capstone national-level cybersecurity exercise and represents the Nation’s most extensive
cybersecurity exercise effort of its kind.
Cyber Storm is a Homeland Security Exercise and Evaluation Program (HSEEP) Tier II exercise focusing on federal strategy and policy.
The Department’s National Cyber Security Division (NCSD) sponsors the exercise to improve the capabilities of the cyber incident response community; encouraging the advancement of public–private partnerships within the critical infrastructure sectors and strengthening relationships between the Federal Government and partners at the state, local, and international levels.
CS III included participation from 8 Cabinet-level departments, 13 states, 12 international partners, and approximately 60 private-sector companies and coordination bodies. Participation focused on
the information technology (IT), communications, energy (electric), chemical, and transportation critical infrastructure sectors and incorporated various levels of play from other critical
Together, these entities participated in the design, execution, and postexercise analysis of the largest, most comprehensive Government-led, full-scale cyber exercise to date.
Participants exercised their ability to prepare for, protect from, and respond to cyber attacks and execute current national cybersecurity plans and capabilities. Players responded to simulated attacks according to established policies and procedures. No actual networks were targeted or affected during the exercise.
Participants successfully executed CS III between September 27 and October 1, 2010, at player locations across the United States and
internationally, with the main Exercise Control (ExCon) cell located at U.S. Secret Service (USSS) Headquarters in Washington, D.C.