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Cybersecurity & Infrastructure Security Agency
America's Cyber Defense Agency

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CISA Facebook Privacy Policy and Notice

CISA Instagram Privacy Policy and Notice

CISA No FEAR Act Reporting

CISA Twitter Privacy Policy and Notice

CISA YouTube Privacy Policy and Notice

Linking Policy

Intellectual Property Policy

Terms of Use

Web Content Inventory and Publication Schedule

Website Privacy Policy

CISA Administrative Subpoena

CISA Administrative Subpoena

Subpoena Process

Information shared within a structured and secure information sharing environment helps critical infrastructure owners and operators effectively respond to infrastructure threats as they arise.

Signature Verification

All CISA administrative subpoenas will be signed with a cryptographic digital signature by an authorized CISA representative.
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