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Best Practices for Federal DNS Security

Scott Penney, Director of Cybersecurity Solutions at BlueCat, talks to Scott Rose, co-author of the NIST Secure Deployment Guide for DNS, about securing federal networks with DNS.

Key Takeaways
  • Federal agencies should align DNS security controls with the NIST Secure Deployment Guide for DNS to ensure consistent, standards-based protections across networks.
  • DNS must be treated as critical infrastructure, with visibility, logging, and monitoring integrated into broader federal cybersecurity operations.
  • Segmentation and careful design of internal and external DNS architectures are essential to reduce attack surface and contain potential compromises.
  • Security policies such as DNS filtering and response policy zones should be enforced at the DNS layer to block known malicious domains and command-and-control channels.
  • DNSSEC and other integrity mechanisms should be deployed where feasible to protect against spoofing and ensure authenticity of DNS responses in federal environments.
  • Automation and centralized IP address management (IPAM) are key to maintaining accurate DNS data and supporting rapid incident response in federal networks.

Best Practices for Federal DNS Security

Scott Penney, Director of Cybersecurity Solutions at BlueCat, talks to Scott Rose, co-author of the NIST Secure Deployment Guide for DNS, about securing federal networks with DNS.

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