Fidelis Security vs TEHTRIS XDR/DNS Firewall: Side-by-Side Comparison (2026)

Fidelis Security: XDR platform with NDR, EDR, deception, AD security, and CNAPP capabilities. built by Fidelis Security. Core capabilities include Forensic and metadata collection from 300+ attributes, Threat detection with MITRE ATT&CK mappings, Deep Session Inspection technology..

TEHTRIS XDR/DNS Firewall: DNS traffic monitoring and threat blocking module within TEHTRIS XDR Platform. built by TEHTRIS. 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..

Both serve the Extended Detection and Response market but differ in approach, feature depth, and target audience.

Fidelis Security differentiates with Forensic and metadata collection from 300+ attributes, Threat detection with MITRE ATT&CK mappings, Deep Session Inspection technology. TEHTRIS XDR/DNS Firewall differentiates with Real-time DNS traffic monitoring and analysis, Automatic blocking of malicious DNS requests, Machine Learning and Deep Learning for DNS query analysis.

Fidelis Security is developed by Fidelis Security. TEHTRIS XDR/DNS Firewall is developed by TEHTRIS. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Fidelis Security integrates with Forescout, Devo, AWS, Microsoft Azure, SentinelOne. TEHTRIS XDR/DNS Firewall integrates with Zscaler, Proofpoint. Check integration compatibility with your existing security stack before deciding.

Fidelis Security and TEHTRIS XDR/DNS Firewall serve similar Extended Detection and Response use cases: both are Extended Detection and Response tools. Review the feature comparison above to determine which fits your requirements.