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(e) The Director of CISA, in consultation with the Director of the NSA, shall review and update the playbook annually, and provide information to the Director of OMB for incorporation in guidance updates.

(f) To ensure comprehensiveness of incident response activities and build confidence that unauthorized cyber actors no longer have access to FCEB Information Systems, the playbook shall establish, consistent with applicable law, a requirement that the Director of CISA review and validate FCEB Agencies’ incident response and remediation results upon an agency’s completion of its incident response. The Director of CISA may recommend use of another agency or a third-party incident response team as appropriate.

(g) To ensure a common understanding of cyber incidents and the cybersecurity status of an agency, the playbook shall define key terms and use such terms consistently with any statutory definitions of those terms, to the extent practicable, thereby providing a shared lexicon among agencies using the playbook.

Sec. 7. Improving Detection of Cybersecurity Vulnerabilities and Incidents on Federal Government Networks. (a) The Federal Government shall employ all appropriate resources and authorities to maximize the early detection of cybersecurity vulnerabilities and incidents on its networks. This approach shall include increasing the Federal Government’s visibility into and detection of cybersecurity vulnerabilities and threats to agency networks in order to bolster the Federal Government’s cybersecurity efforts.

(b) FCEB Agencies shall deploy an Endpoint Detection and Response (EDR) initiative to support proactive detection of cybersecurity incidents within Federal Government infrastructure, active cyber hunting, containment and remediation, and incident response.

(c) Within 30 days of the date of this order, the Secretary of Homeland Security acting through the Director of CISA shall provide to the Director of OMB recommendations on options for implementing an EDR initiative, centrally located to support host-level visibility, attribution, and response regarding FCEB Information Systems.

(d) Within 90 days of receiving the recommendations described in subsection (c) of this section, the Director of OMB, in consultation with Secretary of Homeland Security, shall issue requirements for FCEB Agencies to adopt Federal Government-wide EDR approaches. Those requirements shall support a capability of the Secretary of Homeland Secretary, acting through the Director of CISA, to engage in cyber hunt, detection, and response activities.

(e) The Director of OMB shall work with the Secretary of Homeland Security and agency heads to ensure that agencies have adequate resources to comply with the requirements issued pursuant to subsection (d) of this section.

(f) Defending FCEB Information Systems requires that the Secretary of Homeland Security acting through the Director of CISA have access to agency data that are relevant to a threat and vulnerability analysis, as well as for assessment and threat-hunting purposes. Within 75 days of the date of this order, agencies shall establish or update Memoranda of Agreement (MOA) with CISA for the Continuous Diagnostics and Mitigation Program to ensure object level data, as defined in the MOA, are available and accessible to CISA, consistent with applicable law.

(g) Within 45 days of the date of this order, the Director of the NSA as the National Manager for National Security Systems (National Manager) shall recommend to the Secretary of Defense, the Director of National Intelligence, and the Committee on National Security Systems (CNSS) appropriate actions for improving detection of cyber incidents affecting National Security Systems, to the extent permitted by applicable law, including recommendations concerning EDR approaches and whether such measures should be operated by agencies or through a centralized service of common concern provided by the National Manager.