attribution of Russian government or nongovernment cyber threat actors. (6) Deterrence, including actions and measures that could or should be undertaken against or communicated to the Government of Russia or other entities to deter attacks against, or interference with, United States election systems and processes. (7) Improvement in Federal Government communications with State and local election officials. (8) Public education and communication efforts. (9) Benchmarks and milestones to enable the measurement of concrete steps taken and progress made in the implementation of the strategy. (c) Congressional briefing (1) In general Not later than 90 days after the date of the enactment of this Act, the Director of National Intelligence and the Secretary of Homeland Security shall jointly brief the appropriate congressional committees on the strategy developed under subsection (a). (2) Appropriate congressional committees defined In this subsection, the term appropriate congressional committees means the following: (A) The congressional intelligence committees. (B) The Committee on Armed Services and the Committee on Homeland Security and Governmental Affairs of the Senate. (C) The Committee on Armed Services and the Committee on Homeland Security of the House of Representatives. 505. Information sharing with State election officials (a) Security clearances (1) In general Not later than 30 days after the date of the enactment of this Act, the Director of National Intelligence shall support the Under Secretary of Homeland Security for Intelligence and Analysis, and any other official of the Department of Homeland Security designated by the Secretary of Homeland Security, in sponsoring a security clearance up to the top secret level for each eligible chief election official of a State or the District of Columbia, and additional eligible designees of such election official as appropriate, at the time that such election official assumes such position. (2) Interim clearances Consistent with applicable policies and