NSA Releases Guidance on Eliminating Obsolete TLS Protocol Configurations

Original release date: January 5, 2021

The National Security Agency (NSA) has released a Cybersecurity Information (CSI) sheet on eliminating obsolete Transport Layer Security (TLS) configurations. The information sheet identifies strategies to detect obsolete cipher suites and key exchange mechanisms, discusses recommended TLS configurations, and provides remediation recommendations for organizations using obsolete TLS configurations.

CISA encourages administrators and users to review NSA's CSI sheet on Eliminating Obsolete TLS Protocol Configurations for more information.

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