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-190716-858-060.PDFAdvisory: Patch Remote Desktop Services On Legacy Versions of Windows (June 2019)6/1/2019
DDD-200723-941-003.PDFAdvisory: Protect Operational Technologies and Control Systems against Cyber Attacks (July 2020)7/23/2020
DDD-190716-364-055.PDFAdvisory: RSA Key Generation Vulnerability Affecting Trusted Platform Modules (October 2017)10/24/2017
DDD-190716-492-056.PDFAdvisory: RSA SecureID Token Authentication Agent Vulnerabilities (December 2017)12/11/2017
DDD-191018-171-002.PDFAdvisory: Turla Group Exploits Iranian APT (October 2019)10/21/2019
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 CVEsCSA: 2021 Routinely Exploited CVEs4/27/2022
CSA: 2021 Trends Show Increased Globalized Threat of RansomwareCSA: 2021 Trends Show Increased Globalized Threat of Ransomware2/9/2022
CSA: 2022 Top Routinely Exploited VulnerabilitiesCSA: 2022 Top Routinely Exploited Vulnerabilities8/3/2023
CSA: APT Cyber Tools Targeting ICS/SCADA DevicesCSA: APT Cyber Tools Targeting ICS/SCADA Devices4/13/2022
CSA: APT28 Exploits Known Vulnerability to Carry Out Reconnaissance and Deploy Malware on Cisco RoutersCSA: APT28 Exploits Known Vulnerability to Carry Out Reconnaissance and Deploy Malware on Cisco Routers4/18/2023
CSA: APT5: Citrix ADC Threat Hunting GuidanceCSA: APT5: Citrix ADC Threat Hunting Guidance12/13/2022
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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