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
 DDD-190719-576-004.PDFInfo Sheet: NCTOC Top 5 Security Operations Center (SOC) Principles (March 2018)3/29/2018
 DDD-190716-676-073.PDFInfo Sheet: UEFI Advantages Over Legacy Mode (March 2018)3/1/2018
 DDD-190716-162-074.PDFInfo Sheet: UEFI Lockdown Quick Guidance (March 2018)3/1/2018
 DDD-190716-995-075.PDFInfo Sheet: UNFETTER (March 2018)3/1/2018
 DDD-190716-083-049.PDFAdvisory: CISCO Updates Critical Remote Code Execution Vulnerability for ASA (February 2018)2/6/2018
 DDD-190716-451-051.PDFAdvisory: DotNetNuke Remote Code Execution Vulnerability (January 2018)1/9/2018
 DDD-190716-604-058.PDFAdvisory: Vulnerabilities Affecting Modern Processors (January 2018)1/4/2018
 DDD-190716-492-056.PDFAdvisory: RSA SecureID Token Authentication Agent Vulnerabilities (December 2017)12/11/2017
 DDD-190716-364-055.PDFAdvisory: RSA Key Generation Vulnerability Affecting Trusted Platform Modules (October 2017)10/24/2017
 DDD-190716-553-054.PDFAdvisory: Mitigations for Key Reinstallation Attacks Against WI-FI Protected Access II (WPA2) (October 2017)10/18/2017
 DDD-190716-199-050.PDFAdvisory: CISCO Smart Install Protocol Misuse (August 2017)8/7/2017
 DDD-190716-508-089.PDFTech Report: UEFI Defensive Practices Guidance (July 2017)7/1/2017
 Validate Integrity of Hardware and SoftwareValidate Integrity of Hardware and Software6/1/2016
 Network Device Integrity (NDI) on Cisco IOS DevicesNetwork Device Integrity (NDI) on Cisco IOS Devices2/23/2016
 Network Device Integrity (NDI) MethodologyNetwork Device Integrity (NDI) Methodology2/23/2016
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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