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: IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities (December 2024 update)CSA: IRGC-Affiliated Cyber Actors Exploit PLCs in Multiple Sectors, Including U.S. Water and Wastewater Systems Facilities (December 2024 update)12/18/2024
Cybersecurity Information Sheet (CSI): Enhanced Visibility and Hardening Guidance for Communications InfrastructureCybersecurity Information Sheet (CSI): Enhanced Visibility and Hardening Guidance for Communications Infrastructure12/3/2024
CSA: 2023 Top Routinely Exploited VulnerabilitiesCSA: 2023 Top Routinely Exploited Vulnerabilities11/12/2024
CSI: Trusted Platform Module (TPM) Use CasesCSI: Trusted Platform Module (TPM) Use Cases11/7/2024
CSA: Iranian Cyber Actors’ Brute Force and Credential Access Activity Compromises Critical Infrastructure OrganizationsCSA: Iranian Cyber Actors’ Brute Force and Credential Access Activity Compromises Critical Infrastructure Organizations10/16/2024
CSA: Update on SVR Cyber Operations and Vulnerability ExploitationCSA: Update on SVR Cyber Operations and Vulnerability Exploitation10/10/2024
CSI: Principles of Operational Technology Cyber SecurityCSI: Principles of Operational Technology Cyber Security10/1/2024
CTR: Detecting and Mitigating Active Directory CompromisesCTR: Detecting and Mitigating Active Directory Compromises9/26/2024
CSA: People’s Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet OperationsCSA: People’s Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet Operations9/18/2024
CSA: Russian Military Cyber Actors Target U.S. and Global Critical InfrastructureCSA: Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure9/5/2024
CSA: Protecting VSAT Communications (August 2024 Update)CSA: Protecting VSAT Communications (August 2024 Update)8/26/2024
CSI: Best Practices for Event Logging and Threat DetectionCSI: Best Practices for Event Logging and Threat Detection8/21/2024
ESF: Recommendations for Increasing U.S. Participation & Leadership in Standards DevelopmentESF: Recommendations for Increasing U.S. Participation & Leadership in Standards Development7/30/2024
CSA: North Korea Cyber Group Conducts Global Espionage Campaign to Advance Regime’s Military and Nuclear ProgramsCSA: North Korea Cyber Group Conducts Global Espionage Campaign to Advance Regime’s Military and Nuclear Programs7/25/2024
CSI: Advancing Zero Trust Maturity Throughout the Automation and Orchestration PillarCSI: Advancing Zero Trust Maturity Throughout the Automation and Orchestration Pillar7/10/2024
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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