Cybersecurity Advisories & Technical 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
DDD-191030-925-002.PDFTech Report: Hardening SIEM Solution (October 2019)10/30/2019
DDD-191216-685-015.PDFInfo Sheet: Managing Risk From Transport Layer Security Inspection (16 December 2019)12/17/2019
DDD-200110-416-020.PDFAdvisory: Mitigate CVE201919781 Critical Vulnerability in Citrix ADC (January 2020)1/10/2020
DDD-200114-032-024.PDFAdvisory: Critical Crypto Vulnerability in Microsoft Windows 10 (January 2020)1/14/2020
DDD-200122-993-002.PDFInfo Sheet: Mitigating Cloud Vulnerabilities (January2020)1/22/2020
DDD-200609-232-015.PDFInfo Sheet: Detect and Prevent Web Shell Malware (April 2020)4/22/2020
DDD-200528-111-002.PDFAdvisory: Exim Mail Transfer Agent Actively Exploited by Russian GRU Cyber Actors (May 2020)5/28/2020
DDD-200603-645-067.PDFTech Report: TENS Virtual Machine Guide (June 2020)6/3/2020
DDD-200716-080-004.PDFAdvisory: APT29 Targets COVID-19 Vaccine Development (July 2020)7/16/2020
DDD-200716-666-047.PDFAdvisory: Patch Critical Vulnerability in Windows Servers using DNS Server Role (July 2020)7/16/2020
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Additional Documents

The following resources require use of a Federal/DoD Public Key Infrastructure (PKI), Personal Identity Verification (PIV) or Common Access Card (CAC) client certificate. Read more information about these access requirements.