II 115th CONGRESS 2d Session S. 2455 IN THE SENATE OF THE UNITED STATES February 27, 2018 Mr. Brown (for himself, Mr. Toomey , Ms. Klobuchar , and Mr. Graham ) introduced the following bill; which was read twice and referred to the Committee on Foreign Relations A BILL To encourage United States-Ukraine cybersecurity cooperation and require a report regarding such cooperation, and for other purposes.