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
 CSI: Deploying Secure Unified Communications/Voice and Video over IP Systems (Abridged) (June 2021)6/17/2021
 CTR: Deploying Secure Unified Communications/Voice and Video over IP Systems (June 2021)6/17/2021
 Info Sheet: Selecting a Protective DNS Service (May 2021 Update)5/31/2021
 Potential Threat Vectors To 5G Infrastructure5/10/2021
 ADVISORY FURTHER TTPS ASSOCIATED WITH SVR CYBER ACTORS.PDFCybersecurity Advisory: Further TTPs associated with SVR cyber actors5/7/2021
 CSA: Stop Malicious Cyber Activity Against Connected Operational Technology4/29/2021
 CSA: Russian SVR Targets U.S. and Allied Networks4/15/2021
 Info Sheet: Embracing a Zero Trust Security Model (February 2021)2/25/2021
 Info Sheet: Adopting Encrypted DNS in Enterprise Environments (January 2021)1/14/2021
 ELIMINATING_OBSOLETE_TLS_UOO197443-20.PDFInfo Sheet: Eliminating Obsolete TLS Protocol Configurations (January 2021)1/5/2021
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