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 here.

ImageTitlePublication Date
 Security Guidance for 5G Cloud Infrastructures Part III: Data Protection12/2/2021
 Security Guidance for 5G Cloud Infrastructures Part II: Securely Isolate Network Resources11/18/2021
 Security Guidance for 5G Cloud Infrastructures Part I: Prevent and Detect Lateral Movement10/28/2021
 CSA: BlackMatter Ransomware10/18/2021
 CSA: Ongoing Cyber Threats to U.S. Water and Wastewater Systems10/14/2021
 CSI: Avoid Dangers of Wildcard TLS Certificates and the ALPACA Weakness10/7/2021
 CSI: Selecting and Hardening Remote Access VPN Solutions9/28/2021
 CSA: Conti Ransomware9/22/2021
 CSI: Keeping Safe on Social Media (August 2021 Update)8/6/2021
 CTR: Kubernetes Hardening Guidance8/3/2021
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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