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
 CSA: APT Cyber Tools Targeting ICS/SCADA DevicesCSA: APT Cyber Tools Targeting ICS/SCADA Devices4/13/2022
 CSA: 2022 Top Routinely Exploited VulnerabilitiesCSA: 2022 Top Routinely Exploited Vulnerabilities8/3/2023
 CSA: 2021 Trends Show Increased Globalized Threat of RansomwareCSA: 2021 Trends Show Increased Globalized Threat of Ransomware2/9/2022
 CSA: 2021 Routinely Exploited CVEsCSA: 2021 Routinely Exploited CVEs4/27/2022
 COMPROMISED_PERSONAL_NETWORK_INDICATORS_AND_MITIGATIONS_20200914_FINAL.PDFCompromised Personal Network Indicators and Mitigations9/17/2020
 DDD-190716-604-058.PDFAdvisory: Vulnerabilities Affecting Modern Processors (January 2018)1/4/2018
 DDD-190716-546-059.PDFAdvisory: Updated Guidance For Vulnerabilities Affecting Modern Processors (January 2019)1/25/2019
 DDD-190716-323-057.PDFAdvisory: Update Earlier Versions of Solaris to 11.4 (March 2019)3/1/2019
 DDD-191018-171-002.PDFAdvisory: Turla Group Exploits Iranian APT (October 2019)10/21/2019
 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-200723-941-003.PDFAdvisory: Protect Operational Technologies and Control Systems against Cyber Attacks (July 2020)7/23/2020
 DDD-190716-858-060.PDFAdvisory: Patch Remote Desktop Services On Legacy Versions of Windows (June 2019)6/1/2019
 DDD-200716-666-047.PDFAdvisory: Patch Critical Vulnerability in Windows Servers using DNS Server Role (July 2020)7/16/2020
 DDD-191030-204-002.PDFAdvisory: Patch Critical Vulnerability In Atlassian Confluence (October 2019)10/30/2019
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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