TY - BOOK ED - United States. TI - Cyber warfare in the 21st century: threats, challenges, and opportunities : Committee on Armed Services, House of Representatives, One Hundred Fifteenth Congress, first session, hearing held March 1, 2017 AV - KF27 .A7 2017b PY - 2017/// CY - Washington PB - U.S. Government Publishing Office KW - United States KW - Department of Defense KW - Rules and practice KW - Cyberspace KW - Military aspects KW - Cyberterrorism KW - Prevention KW - Information warfare KW - Cyber intelligence (Computer security) KW - Deterrence (Strategy) KW - Security measures KW - Legislative hearings KW - lcgft N1 - Paper version available for sale by the Superintendent of Documents, United States Government Publishing Office; Shipping list no.: 2017-0188-M; "H.A.S.C. no. 115-8."; CRDP Program record; Includes bibliographical references; Microfiche; [Washington, D.C.]; U.S. Government Printing Office; [2017]; 1 microfiche : negative ER -