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 DoW microelectronics from adversary influence, view our DoW Microelectronics Guidance page.

ImageTitlePublication Date
Joint CSA: NSA and CISA Red and Blue Teams Share Top Ten Cybersecurity MisconfigurationsJoint CSA: NSA and CISA Red and Blue Teams Share Top Ten Cybersecurity Misconfigurations10/5/2023
Joint CSI: Microsoft Exchange Server Security Best PracticesJoint CSI: Microsoft Exchange Server Security Best Practices10/30/2025
Joint Guidance: A Shared Vision of Software Bill Of Materials For CybersecurityJoint Guidance: A Shared Vision of Software Bill Of Materials For Cybersecurity9/3/2025
Network Device Integrity (NDI) MethodologyNetwork Device Integrity (NDI) Methodology2/23/2016
Network Device Integrity (NDI) on Cisco IOS DevicesNetwork Device Integrity (NDI) on Cisco IOS Devices2/23/2016
NSA 2023 Cybersecurity Year in ReviewNSA 2023 Cybersecurity Year in Review12/19/2023
NSA Cybersecurity Year in Review 2022NSA Cybersecurity Year in Review 202212/15/2022
Operational Technology Assurance Partnership: Smart Controller Security within National Security SystemsOperational Technology Assurance Partnership: Smart Controller Security within National Security Systems4/23/2025
PERFORMING_OUT_OF_BAND_NETWORK_MANAGEMENT20200911.PDFPerforming Out-of-Band Network Management9/17/2020
Potential Threat Vectors To 5G InfrastructurePotential Threat Vectors To 5G Infrastructure5/10/2021
PRC State-Sponsored Cyber Activity: Actions for Critical Infrastructure LeadersPRC State-Sponsored Cyber Activity: Actions for Critical Infrastructure Leaders3/19/2024
Priority Logs For SIEM Ingestion Practitioner GuidancePriority Logs For SIEM Ingestion Practitioner Guidance5/27/2025
Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical InfrastructurePro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure12/9/2025
Securing the Software Supply Chain for DevelopersSecuring the Software Supply Chain for Developers9/1/2022
Securing the Software Supply Chain: Recommended Practices Guide for SuppliersSecuring the Software Supply Chain: Recommended Practices Guide for Suppliers10/31/2022
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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