The MS-ISAC comprises representatives from all 50 states, the District of Columbia, as well as U.S. territories and local governments. There is no cost to become a member.

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State Government

The MS-ISAC State Principal members are generally Chief Cyber Security Officers (or equivalents) from their state. In recognition of the interrelationship between cyber and physical security, the MS-ISAC also includes representatives from state Homeland Security Offices, as well as law enforcement and others in the physical security field.

Local Government

The MS-ISAC has a number of local government particpants and is working to enhance our partnership, communication and outreach between and within state and local governments.


The MS-ISAC is engaging our U.S. Territories and currently has participation from American Samoa, Guam, Puerto Rico and the U.S. Virgin Islands.


The MS-ISAC is developing a plan, in concert with the U.S. Department of Homeland Security, for outreach to tribal nations to further expand our situational awareness and provide cyber security education, awareness and services to tribal entities.

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