NSA, CISA, Issue Guidance on Protective DNS Services

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March 4, 2021
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SC Magazine

The National Security Agency (NSA) and Cybersecurity and Infrastructure Agency (CISA) released a joint information sheet Thursday that offers guidance on the benefits of using a Protective Domain Name System (PDNS). A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. It leverages various open source, commercial, and governmental threat feeds to categorize domain information and block queries to identified malicious domains.

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