; and (B) any entity that uses such data only as reasonably necessary— (i) to comply with applicable law, regulation, or legal process; (ii) to enforce an operator’s terms of use; or (iii) to detect, prevent, or mitigate fraud or security vulnerabilities. 5. Rule of construction Nothing in this Act shall be construed to preclude the acquisition by the Federal Government of— (1) the contents of a wire or electronic communication pursuant to other lawful authorities, including the authorities under chapter 119 of title 18, United States Code (commonly known as the Wiretap Act ), the Foreign Intelligence Surveillance Act of 1978 ( 50 U.S.C. 1801 et seq.), or any other provision of Federal law not specifically amended by this Act