Design Basis Threat

The Design Basis Threat (DBT) describes the adversary force that operating power reactors must defend against. It is based on realistic assessments of the tactics, techniques, and procedures used by international and domestic terrorist groups and organizations.

In 1994, the Commission revised the DBT rule in response to an intrusion at a nuclear power plant, the 1993 vehicle bomb attack on the World Trade Center, and intelligence that showed "a conspiracy with ties to the Middle East extremists clearly demonstrated the capability and motivation to organize, plan, and successfully conduct a major vehicle bomb attack." 59 Fed. Reg. at 38,891. (From ML16069A067)

See also

• 10 C.F.R. § 73.1