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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 DoW microelectronics from adversary influence, view our DoW Microelectronics Guidance page.

ImageTitlePublication Date
Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical InfrastructurePro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure12/9/2025
Public Service Announcement: Russian GRU Exploiting Vulnerable Routers to Steal Sensitive DataPublic Service Announcement: Russian GRU Exploiting Vulnerable Routers to Steal Sensitive Data4/7/2026
Securing the Software Supply Chain for DevelopersSecuring the Software Supply Chain for Developers9/1/2022
Securing the Software Supply Chain: Recommended Practices Guide for SuppliersSecuring the Software Supply Chain: Recommended Practices Guide for Suppliers10/31/2022
Security Guidance for 5G Cloud Infrastructures Part I: Prevent and Detect Lateral MovementSecurity Guidance for 5G Cloud Infrastructures Part I: Prevent and Detect Lateral Movement10/28/2021
Security Guidance for 5G Cloud Infrastructures Part II: Securely Isolate Network ResourcesSecurity Guidance for 5G Cloud Infrastructures Part II: Securely Isolate Network Resources11/18/2021
Security Guidance for 5G Cloud Infrastructures Part III: Data ProtectionSecurity Guidance for 5G Cloud Infrastructures Part III: Data Protection12/2/2021
Security Guidance For 5G Cloud Infrastructures Part IV: Ensure Integrity of Cloud InfrastructureSecurity Guidance For 5G Cloud Infrastructures Part IV: Ensure Integrity of Cloud Infrastructure12/16/2021
Shifting the Balance of Cybersecurity Risk: Principles and Approaches for Security by Design SoftwareShifting the Balance of Cybersecurity Risk: Principles and Approaches for Security by Design Software10/16/2023
DDD-191030-925-002.PDFTech Report: Hardening SIEM Solution (October 2019)10/30/2019
DDD-190716-762-092.PDFTech Report: A Guide to Border Gateway Protocol (BGP) Best Practices (September 2018)9/10/2018
DDD-190716-188-090.PDFTech Report: NSA/CSS Technical Cyber Threat Framework v2 (November 2018)11/1/2018
DDD-200603-645-067.PDFTech Report: TENS Virtual Machine Guide (June 2020)6/3/2020
DDD-190716-508-089.PDFTech Report: UEFI Defensive Practices Guidance (July 2017)7/1/2017
DDD-190716-945-091.PDFTech Report: WPA3 Will Enhance Wi-Fi Security (June 2018)6/1/2018
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Additional Documents

Some guidance is protected and requires use of a DoW 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