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-190716-323-057.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-190716-604-058.PDFAdvisory: Vulnerabilities Affecting Modern Processors (January 2018)1/4/2018
 COMPROMISED_PERSONAL_NETWORK_INDICATORS_AND_MITIGATIONS_20200914_FINAL.PDFCompromised Personal Network Indicators and Mitigations9/17/2020
 CSA: 2021 Routinely Exploited CVEs4/27/2022
 CSA: 2021 Trends Show Increased Globalized Threat of Ransomware2/9/2022
 CSA: APT Cyber Tools Targeting ICS/SCADA Devices4/13/2022
 CSA: BlackMatter Ransomware10/18/2021
 CSA: Chinese State Sponsored Cyber TTPs7/19/2021
 CSA: Commercial National Security Algorithm Suite 2.0 (CNSA 2.0)9/7/2022
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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