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-190716-083-049.PDFAdvisory: CISCO Updates Critical Remote Code Execution Vulnerability for ASA (February 2018)2/6/2018
 DDD-190716-199-050.PDFAdvisory: CISCO Smart Install Protocol Misuse (August 2017)8/7/2017
 DDD-200716-080-004.PDFAdvisory: APT29 Targets COVID-19 Vaccine Development (July 2020)7/16/2020
 DDD-190716-288-053.PDFAdvisory: Guidance For Vulnerabilities Affecting Modern Processors - Update 2 (May 2019)5/1/2019
 2021 NSA Cybersecurity Year in Review2021 NSA Cybersecurity Year in Review2/3/2022
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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