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: Segment Networks and Deploy Application-Aware Defenses (September 2019)Info Sheet: Segment Networks and Deploy Application-Aware Defenses (September 2019)8/30/2019
Info Sheet: Actively Manage Systems and Configurations (August 2019)Info Sheet: Actively Manage Systems and Configurations (August 2019)8/30/2019
Info Sheet: Defend Privileges and Accounts (August 2019)Info Sheet: Defend Privileges and Accounts (August 2019)8/30/2019
Info Sheet: Enforce Signed Software Execution Policies (August 2019)Info Sheet: Enforce Signed Software Execution Policies (August 2019)8/30/2019
Info Sheet: Exercise a System Recovery Plan (August 2019)Info Sheet: Exercise a System Recovery Plan (August 2019)8/30/2019
Info Sheet: Integrate Threat Reputation Services (August 2019)Info Sheet: Integrate Threat Reputation Services (August 2019)8/30/2019
Info Sheet: Leverage Modern Hardware Security Features (August 2019)Info Sheet: Leverage Modern Hardware Security Features (August 2019)8/30/2019
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
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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