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
CSA_DROVORUB_RUSSIAN_GRU_MALWARE_AUG_2020.PDFCybersecurity Advisory: Russian GRU 85th GTsSS Deploys Previously Undisclosed Drovorub Malware8/13/2020
DDD-200804-085-006.PDFInfo Sheet: Limiting Location Data Exposure8/4/2020
DDD-200730-216-040.PDFCybersecurity Advisory: Mitigate the GRUB2 BootHole Vulnerability7/30/2020
DDD-200723-941-003.PDFAdvisory: Protect Operational Technologies and Control Systems against Cyber Attacks (July 2020)7/23/2020
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
DDD-200603-645-067.PDFTech Report: TENS Virtual Machine Guide (June 2020)6/3/2020
DDD-200528-111-002.PDFAdvisory: Exim Mail Transfer Agent Actively Exploited by Russian GRU Cyber Actors (May 2020)5/28/2020
DDD-200609-232-015.PDFInfo Sheet: Detect and Prevent Web Shell Malware (April 2020)4/22/2020
DDD-200122-993-002.PDFInfo Sheet: Mitigating Cloud Vulnerabilities (January2020)1/22/2020
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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.