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
CSA: Commercial National Security Algorithm Suite 2.0 (CNSA 2.0)CSA: Commercial National Security Algorithm Suite 2.0 (CNSA 2.0)9/7/2022
CSI: Commercial National Security Algorithm Suite 2.0 (CNSA 2.0) FAQCSI: Commercial National Security Algorithm Suite 2.0 (CNSA 2.0) FAQ9/7/2022
Securing the Software Supply Chain for DevelopersSecuring the Software Supply Chain for Developers9/1/2022
Technical Report: Kubernetes Hardening Guide (August 2022 Update)Technical Report: Kubernetes Hardening Guide (August 2022 Update)8/29/2022
CTR: DoD Microelectronics: Levels of Assurance Definitions and ApplicationsCTR: DoD Microelectronics: Levels of Assurance Definitions and Applications7/14/2022
CSI: Keeping PowerShell: Security Measures to Use and EmbraceCSI: Keeping PowerShell: Security Measures to Use and Embrace6/22/2022
CTR: Network Infrastructure Security Guide (June 2022 Update)CTR: Network Infrastructure Security Guide (June 2022 Update)6/15/2022
CSA: People’s Republic of China State-Sponsored Cyber Actors Exploit Network Providers and Devices (June 2022)CSA: People’s Republic of China State-Sponsored Cyber Actors Exploit Network Providers and Devices (June 2022)6/7/2022
CSA: Weak Security Controls and Practices Routinely Exploited for Initial AccessCSA: Weak Security Controls and Practices Routinely Exploited for Initial Access5/17/2022
CSA: Protecting Against Cyber Threats to Managed Service Providers and their CustomersCSA: Protecting Against Cyber Threats to Managed Service Providers and their Customers5/11/2022
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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