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
Info Sheet: Transition to Multi-Factor Authentication (August 2019)Info Sheet: Transition to Multi-Factor Authentication (August 2019)8/30/2019
Info Sheet: Continuously Hunt for Network Intrusions (August 2019)Info Sheet: Continuously Hunt for Network Intrusions (August 2019)8/30/2019
Info Sheet: Top 10 Mitigation Strategies (March 2018)Info Sheet: Top 10 Mitigation Strategies (March 2018)7/16/2019
DDD-190716-858-060.PDFAdvisory: Patch Remote Desktop Services On Legacy Versions of Windows (June 2019)6/1/2019
DDD-190716-296-078.PDFInfo Sheet: Defending Your DNS Infrastructure (June 2019)6/1/2019
DDD-190716-221-082.PDFInfo Sheet: Boot Security Modes Recommendations (June 2019)6/1/2019
DDD-190716-288-053.PDFAdvisory: Guidance For Vulnerabilities Affecting Modern Processors - Update 2 (May 2019)5/1/2019
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
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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