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

Image	Title	Publication Date
	Advisory: Update Earlier Versions of Solaris to 11.4 (March 2019)	3/1/2019
	Advisory: Turla Group Exploits Iranian APT (October 2019)	10/21/2019
	Advisory: RSA SecureID Token Authentication Agent Vulnerabilities (December 2017)	12/11/2017
	Advisory: RSA Key Generation Vulnerability Affecting Trusted Platform Modules (October 2017)	10/24/2017
	Advisory: Protect Operational Technologies and Control Systems against Cyber Attacks (July 2020)	7/23/2020
	Advisory: Patch Remote Desktop Services On Legacy Versions of Windows (June 2019)	6/1/2019
	Advisory: Patch Critical Vulnerability in Windows Servers using DNS Server Role (July 2020)	7/16/2020
	Advisory: Patch Critical Vulnerability In Atlassian Confluence (October 2019)	10/30/2019
	Advisory: Mitigations for Key Reinstallation Attacks Against WI-FI Protected Access II (WPA2) (October 2017)	10/18/2017
	Advisory: Mitigating Recent VPN Vulnerabilities (October 2019)	10/7/2019
	Advisory: Mitigate CVE201919781 Critical Vulnerability in Citrix ADC (January 2020)	1/10/2020
	Advisory: Exim Mail Transfer Agent Actively Exploited by Russian GRU Cyber Actors (May 2020)	5/28/2020
	Advisory: Drupal Unauthenticated Remote Code Execution Vulnerability (April 2018)	4/19/2018
	Advisory: DotNetNuke Remote Code Execution Vulnerability (January 2018)	1/9/2018
	Advisory: Critical Crypto Vulnerability in Microsoft Windows 10 (January 2020)	1/14/2020

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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