The release of the updated national security memorandum reflects the changing threat landscape since the original directive in 2013, considering geopolitical challenges like Volt Typhoon in China and lessons from Russia and Ukraine.
The absence of CISA and the Office of the National Cyber Director when PPD-21 was signed highlights the need for updated frameworks and structures in place for effective critical infrastructure defense.
#national-security-memorandum #critical-infrastructure-defense #cybersecurity #geopolitical-threats #congressional-action
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