The document discusses CIRA's D-Zone DNS Firewall security solution. It detects security threats in real-time by analyzing global DNS data, feeds threat information to recursive DNS servers, and blocks malicious domains and IP addresses. It can uncover existing malware on a network and prevent future infections by disrupting communication between malware and command and control servers. The solution offers customizable web filtering and API integration and is powered using Akamai's DNS technology and threat feed.