(b) Report on best practices Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense shall submit to the congressional defense committees a report on the capabilities, readiness, and best practices of the National Guard to assist the Governors, if called upon, to defend elections systems from cyberattacks. 1630A. Report on various approaches to cyber deterrence (a) In general Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense shall submit to the congressional defense committees a report on various approaches to cyber deterrence. (b) Contents The report required by subsection (a) shall include the following: (1) Identification, definition, and explanation of the various theoretical approaches to cyber deterrence. (2) An assessment of the relative strengths and weaknesses of each of such approaches relative to the threat and relative to one another. (3) A recommendation for a cyber deterrence theory and doctrine for the Armed Forces. (4) An alternative analysis or dissenting view of the recommendation included under paragraph (3) that explains the weaknesses of the recommended theory and doctrine and offers an alternative theory or doctrine. (c) Consultation In preparing the report required by subsection (a), the Secretary shall consult with experts from the Government, industry, and academia. 1630B. Prohibition on use of software platforms developed by Kaspersky Lab (a) Prohibition No department, agency, organization, or other element of the Department of Defense may use, whether directly or through work with or on behalf of another organization or element of the Department or another department or agency of the United States Government, any software platform developed, in whole or in part, by Kaspersky Lab or any entity of which Kaspersky Lab has a majority ownership. (b) Severance of network connections The Secretary of Defense shall ensure that any network connection between a department, agency, organization, or other element of