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
 DDD-190716-967-086.PDFInfo Sheet: Limiting ptrace on Production Linux Systems (May 2019)5/1/2019
 DDD-190716-323-057.PDFAdvisory: Update Earlier Versions of Solaris to 11.4 (March 2019)3/1/2019
 DDD-190716-546-059.PDFAdvisory: Updated Guidance For Vulnerabilities Affecting Modern Processors (January 2019)1/25/2019
 DDD-190716-188-090.PDFTech Report: NSA/CSS Technical Cyber Threat Framework v2 (November 2018)11/1/2018
 DDD-190716-785-084.PDFInfo Sheet: 2018 Cybersecurity Highlights (October 2018)10/1/2018
 DDD-190716-743-080.PDFInfo Sheet: Best Practices for Keeping Your Home Network Secure (September 2018)9/18/2018
 DDD-190716-760-085.PDFInfo Sheet: Identity Theft Threat and Mitigations (September 2018)9/18/2018
 DDD-190716-762-092.PDFTech Report: A Guide to Border Gateway Protocol (BGP) Best Practices (September 2018)9/10/2018
 DDD-190716-058-083.PDFInfo Sheet: Cloud Security Basics (August 2018)8/29/2018
 DDD-190716-950-081.PDFInfo Sheet: Blocking Unnecessary Advertising Web Content (July 2018)7/5/2018
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NSA Joint Federation Assurance Center (JFAC) Hardware Assurance Lab Cybersecurity Technical Reports:

ImageTitlePublication Date
 NSA CTR: DoD Microelectronics: Field Programmable Gate Array Best Practices – Threat CatalogNSA CTR: DoD Microelectronics: Field Programmable Gate Array Best Practices – Threat Catalog12/8/2022
 NSA CTR: DoD Microelectronics: Field Programmable Gate Array Level of Assurance 1 Best PracticesNSA CTR: DoD Microelectronics: Field Programmable Gate Array Level of Assurance 1 Best Practices12/8/2022
 NSA CTR: DoD Microelectronics: Field Programmable Gate Array Overall Assurance ProcessNSA CTR: DoD Microelectronics: Field Programmable Gate Array Overall Assurance Process12/8/2022
 NSA CTR: DoD Microelectronics: Third-Party IP Review Process for Level of Assurance 1NSA CTR: DoD Microelectronics: Third-Party IP Review Process for Level of Assurance 112/8/2022
 CTR: DoD Microelectronics: Levels of Assurance Definitions and ApplicationsCTR: DoD Microelectronics: Levels of Assurance Definitions and Applications7/14/2022
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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