- National Security Agency (NSA)
- Committee on National Security Systems (CNSS)
- Defense Information Systems Agency (DISA) Cyber Exchange
- DISA Security Technical Implementation Guides (STIGs)
- National Centers of Academic Excellence in Cybersecurity (NCAE-C)
- NIST Computer Security Resource Center (CSRC)
- National Vulnerability Database (NVD)
- Federal Bureau of Investigation (FBI) Cybercrime Resources
- Cybersecurity and Infrastructure Security Agency (CISA)