US spy agencies to share intelligence on critical infrastructure in policy revamp

President Joe Biden is set to sign a revised Presidential Policy Directive 21 to improve threat information sharing with owners and operators of U.S. critical infrastructure, clarify CISA’s role as national coordinator, and require biennial DHS national risk management plans; the update maintains the 16 critical infrastructure sectors, directs sector risk assessments, and advances a nonpublic list of roughly 500 systemically important entities amid heightened nation-state and criminal cyber threats.