An official website of the United States government
Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock (lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Skip to main content (Press Enter).
Home Logo: National Security Agency I Central Security Service Home
National Security Agency/Central Security Service
NSA/CSS
Search
Search
Search
  • About
    • Leadership
    • Mission & Combat Support
    • Cybersecurity
    • Signals Intelligence
    • Central Security Service
    • Locations
    • Research
    • Cybersecurity Collaboration Center
      • Collaborative Partnerships
      • Enduring Security Framework
      • DIB Cybersecurity Services
      • Standards and Certifications
      • Artificial Intelligence Security Center
  • Press Room
    • Press Releases & Statements
    • News & Highlights
    • Podcast
    • Declassification & Transparency Initiatives
    • Cybersecurity Advisories & Guidance
    • Telework and Mobile Security Guidance
    • DoD Microelectronics Guidance
    • Research Publications
  • Careers
  • History
    • National Cryptologic Museum
    • Cryptologic History
    • National Cryptologic Memorial

  • Upload Date
  • Document Date
  • Title
Clear Search 104 results found.

Cybersecurity Advisory on mitigation measures to patch critical vulnerability in Windows servers using DNS server role.

Advisory: Patch Critical Vulnerability in Windows Servers using DNS Server Role (July 2020)

Joint UK/NCSC, NSA, DHS/CISA, CSE advisory on Russian intelligence services (APT29) targeting of COVID-19 virus vaccine research

Advisory: APT29 Targets COVID-19 Vaccine Development (July 2020)

Info Sheet: Operating on a Compromised Network (July 2014)

Info Sheet: Operating on a Compromised Network (July 2014)

This guidance identifies common VPN misconfigurations and vulnerabilities.

Info Sheet: (Abridged) Configuring IPsec Virtual Private Networks (October 2020 update)

This guidance goes deeper, providing device administrators specific implementation instructions and example configurations.

Info Sheet: (Full) Configuring IPsec Virtual Private Networks (February 2025 update)

Info Sheet: Detect and Prevent Web Shell Malware (April 2020)

Info Sheet: Detect and Prevent Web Shell Malware (April 2020)

Tech Report: TENS Virtual Machine Guide (June 2020)

Tech Report: TENS Virtual Machine Guide (June 2020)

Info Sheet: Mitigating Cloud Vulnerabilities (January2020)

Info Sheet: Mitigating Cloud Vulnerabilities (January2020)

Advisory: Patch Critical Cryptographic Vulnerability in Microsoft Windows Clients and Servers

Advisory: Critical Crypto Vulnerability in Microsoft Windows 10 (January 2020)

Advisory: Mitigate CVE-2019-19781: Critical Vulnerability in Citrix Application Delivery Controller (ADC) and Citrix Gateway ( January 2020)

Advisory: Mitigate CVE201919781 Critical Vulnerability in Citrix ADC (January 2020)

Info Sheet: Managing Risk From Transport Layer Security Inspection (December 2019)

Info Sheet: Managing Risk From Transport Layer Security Inspection (16 December 2019)

JOINT STATEMENT ENSURING SECURITY OF 2020 ELECTIONS

JOINT STATEMENT ENSURING SECURITY OF 2020 ELECTIONS

Tech Report:  Hardening SIEM Solution (October 2019)

Tech Report: Hardening SIEM Solution (October 2019)

Advisory: Patch Critical Vulnerability In Atlassian Confluence (October 2019)

Advisory: Patch Critical Vulnerability In Atlassian Confluence (October 2019)

Advisory: Turla Group Exploits Iranian APT To Expand Coverage Of Victims (October 2019)

Advisory: Turla Group Exploits Iranian APT (October 2019)

Cybersecurity Advisory on mitigating recent virtual private network (VPN) vulnerabilities

Advisory: Mitigating Recent VPN Vulnerabilities (October 2019)

Advisory about risk of compromise from continued use of Adobe Flash.

Advisory: Continued Use Of Adobe Flash Invites Compromise (September 2019)

NSA Cybersecurity Information on best practice of continuously hunting for network intrusions.

Info Sheet: Continuously Hunt for Network Intrusions (August 2019)

NSA Cybersecurity Information on best practice of exercising a system recovery plan.

Info Sheet: Exercise a System Recovery Plan (August 2019)

NSA Cybersecurity Information on best practice of integrating threat reputation services.

Info Sheet: Integrate Threat Reputation Services (August 2019)

  • FIRST
  • 1
  • 2
  • 3 (current)
  • 4
  • 5
  • LAST
NSA.GOV
  • About
  • Leadership
  • Cybersecurity Collaboration
    Center
  • National Cryptologic Museum
  • Contact NSA
  • Accessibility
  • ABA Notice
  • Site Policies
CULTURE
  • Operating Authorities
  • Civil Liberties, Privacy, & Transparency Office
  • Compliance

  • General Counsel
  • NSA Inspector General
HELPFUL LINKS
  •  
  • NSA Freedom of Information Act
  • Privacy Act Requests
  • Request a Speaker
  • Prepublication Review
  • Media Inquiry
  • Frequently Asked Questions
  • Scams & Safety
RESOURCES
  • Classified Materiel Conversion
  • Commercial Solutions for Classified Program (CSfC)​
  • Cryptographic Support Services
  • Media Destruction Guidance
  • NSA Open Source
RELATED LINKS
  • DNI.gov
  • Defense.gov
  • IC on the Record
  • Intelligence.gov
  • NSA.GOV
    • About
    • Leadership
    • Cybersecurity Collaboration Center
    • National Cryptologic Museum
    • Contact NSA
    • Accessibility
    • ABA Notice
    • Site Policies
  • CULTURE
    • Operating Authorities
    • Civil Liberties & Privacy
    • General Counsel
    • NSA Inspector General
  • HELPFUL LINKS
    • NSA Freedom of Information Act
    • Frequently Asked Questions
    • Privacy Act Requests
    • Request a Speaker
    • Prepublication Review
    • Media Inquiry
  • RESOURCES
    • Commercial Solutions for Classified Material (CSFC)
    • Media Destruction Guidance
    • Classified Materiel Conversion
    • Cross Domain Services
    • NSA Open Source
    • NSA Exhibit Roadshow
  • RELATED LINKS
    • DNI.gov
    • Defense.gov
    • IC on the Record
    • Intelligence.gov
  • Privacy & Security     Links Disclaimer     Section 508     Web Policy     Plain Writing Act    DOD IG    No FEAR Act    Imagery Use    FOIA    Open GOV    Strategic Plan    USA.gov    Small Business Act    Site Map  
 
Hosted by Defense Media Activity - WEB.mil Veterans Crisis Line number. Dial 988 then Press 1