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TEHTRIS XDR/DNS Firewall is a commercial extended detection and response tool by TEHTRIS. Fidelis Security is a commercial extended detection and response tool by Fidelis Security. Compare features, ratings, integrations, and community reviews side by side to find the best extended detection and response fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Security teams in mid-market and enterprise organizations that treat DNS as a detection layer, not just a choke point, should evaluate TEHTRIS XDR/DNS Firewall. The platform's DGA detection and newly created domain blocking catch threats before they phone home, and integration with TEHTRIS' SOAR capabilities means you can automate response without writing code. This tool prioritizes detection and mitigation over forensic depth; if your primary need is post-incident investigation and evidence retention, you'll want stronger logging than DNS-only visibility provides.
Mid-market and enterprise teams drowning in alert fatigue will find real value in Fidelis Security's deep session inspection and AD-aware network detection, which cut false positives by correlating endpoint and network signals that most XDR platforms treat separately. The platform covers all four NIST Detect and Respond functions with particular strength in continuous monitoring and incident analysis through 300+ forensic attributes and automated response capabilities. Skip this if you need a lightweight, cloud-native XDR; Fidelis is built for organizations with the infrastructure to run hybrid deployments and the analyst headcount to operationalize deception strategies like poisoned data and decoys.
DNS traffic monitoring and threat blocking module within TEHTRIS XDR Platform
XDR platform with NDR, EDR, deception, AD security, and CNAPP capabilities
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Common questions about comparing TEHTRIS XDR/DNS Firewall vs Fidelis Security for your extended detection and response needs.
TEHTRIS XDR/DNS Firewall: DNS traffic monitoring and threat blocking module within TEHTRIS XDR Platform. built by TEHTRIS. headquartered in France. Core capabilities include Real-time DNS traffic monitoring and analysis, Automatic blocking of malicious DNS requests, Machine Learning and Deep Learning for DNS query analysis..
Fidelis Security: XDR platform with NDR, EDR, deception, AD security, and CNAPP capabilities. built by Fidelis Security. headquartered in United States. Core capabilities include Forensic and metadata collection from 300+ attributes, Threat detection with MITRE ATT&CK mappings, Deep Session Inspection technology..
Both serve the Extended Detection and Response market but differ in approach, feature depth, and target audience.
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