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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
 Advisory: Guidance For Vulnerabilities Affecting Modern Processors - Update 2 (May 2019)5/1/2019
 Info Sheet: Limiting ptrace on Production Linux Systems (May 2019)5/1/2019
 Advisory: Patch Remote Desktop Services On Legacy Versions of Windows (June 2019)6/1/2019
 Info Sheet: Defending Your DNS Infrastructure (June 2019)6/1/2019
 Info Sheet: Boot Security Modes Recommendations (June 2019)6/1/2019
 Info Sheet: Top 10 Mitigation Strategies (March 2018)7/16/2019
 Info Sheet: Update and Upgrade Software Immediately (August 2019)8/30/2019
 Info Sheet: Segment Networks and Deploy Application-Aware Defenses (September 2019)8/30/2019
 Info Sheet: Actively Manage Systems and Configurations (August 2019)8/30/2019
 Info Sheet: Defend Privileges and Accounts (August 2019)8/30/2019
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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.