; or (ii) detect unauthorized reception of satellite communications. (4) Disclosure (A) Consent to disclosure Except as provided in subparagraph (B), a satellite carrier shall not disclose personally identifiable information concerning any subscriber without the prior written or electronic consent of the subscriber concerned and shall take such actions as are necessary to prevent unauthorized access to such information by a person other than the subscriber or satellite carrier. (B) Exceptions A satellite carrier may disclose such information if the disclosure is— (i) necessary to render, or conduct a legitimate business activity related to, a satellite service or other service provided by the satellite carrier to the subscriber; (ii) subject to paragraph (9), made pursuant to a court order authorizing such disclosure, if the subscriber is notified of such order by the person to whom the order is directed; (iii) a disclosure of the names and addresses of subscribers to any satellite service or other service, if— (I) the satellite carrier has provided the subscriber the opportunity to prohibit or limit such disclosure; and (II) the disclosure does not reveal, directly or indirectly, the— (aa) extent of any viewing or other use by the subscriber of a satellite service or other service provided by the satellite carrier; or (bb) the nature of any transaction made by the subscriber over any facilities used by the satellite carrier