Cybersecurity and Infrastructure Security Agency2022-11-012022-11-01http://hdl.handle.net/1885/277800enRegulatory InstrumentCybersecurityUnited StatesGuidance to Assist Non-Federal Entities to Share Cyber Threat Indicators and Defensive Measures with Federal Entities under the Cybersecurity Information Sharing Act of 2015 (2020)20202022-11-01