NSA Cybersecurity Advisories & Guidance


NSA leverages its elite technical capability to develop advisories and mitigations on evolving cybersecurity threats.

Browse or search our repository of advisories, info sheets, tech reports, and operational risk notices listed below. Some resources have access requirements.

For a subset of cybersecurity products focused on telework and general network security for end users, view our Telework and Mobile Security Guidance page.

To read our complete series on protecting DoD microelectronics from adversary influence, view our DoD Microelectronics Guidance page.
 

ImageTitlePublication Date
CSI: Security Considerations for Edge Devices: Executive GuidanceCSI: Security Considerations for Edge Devices: Executive Guidance2/3/2025
CSI: Security Considerations for Edge Devices: Practitioner GuidanceCSI: Security Considerations for Edge Devices: Practitioner Guidance2/3/2025
CSI: Security Considerations for Edge DevicesCSI: Security Considerations for Edge Devices2/4/2025
Info Sheet: Selecting a Protective DNS Service (March 2025 Update)Info Sheet: Selecting a Protective DNS Service (March 2025 Update)3/24/2025
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Additional Documents

Some guidance is protected and requires use of a DoD Common Access Card (CAC) to access. Visit https://cyber.mil/nsa/cybersecurity-advisories-and-technical-guidance/ to access the following and other protected documents:

  • Avoid Dangers of Wildcard TLS Certificates and the ALPACA Technique (FOUO version)
  • Protecting VSAT Communications
  • Quantum Security of Symmetric Cryptography and Hash Functions: A Review
  • Securing AWS S3
  • Security Considerations for Office 365 Government Customers