; (ii) that is not provided to the Senate authorizer or covered employee, or administered, by the Sergeant at Arms; and (iii) with respect to which the parties signing the security memorandum of understanding as described in paragraph (6)(A) jointly agree that the Sergeant at Arms will provide security, in accordance with this Act; and (B) may, if agreed to by the parties pursuant to the security memorandum of understanding, include any computer network to which a computer or device described in subparagraph (A) connects; (5) the term provide security means to provide training, advice, support, technical assistance, and other services to prevent, detect, and recover from cyber attacks and hostile information collection activities; (6) the term security memorandum of understanding means a written memorandum of understanding that— (A) is signed by— (i) the Sergeant at Arms; (ii) the Senate authorizer or covered employee for whom the security will be provided pursuant to the memorandum; and (iii) if the security is being provided for a covered employee, the applicable Senate authorizer for the covered employee; (B) specifies the personal accounts or personal technology devices, or categories of personal accounts or personal technology devices, for which the Sergeant at Arms will provide security; (C) describes the rights and responsibilities of each signing party relating to the provision of security and with respect to privacy; and (D) shall be effective for a period of not more than 1 year; (7) the term Senate authorizer — (A) means a Senator or the head of a Senate office described in paragraph (1)(C); (B) when used with respect to a covered employee not described in subparagraph (C), means the Senator or the head of a Senate office who has final authority to appoint, hire, discharge, and set the terms, conditions, or privileges of the employment of the covered employee