Fidelis Security vs GuardDog AI Complete: 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..

GuardDog AI Complete: Agentless autonomous platform for threat detection, containment & posture mgmt. built by GuardDog AI. Core capabilities include Real-time threat detection (avg. 700ms detection and containment), Autonomous threat containment without human escalation, Agentless deployment via lightweight sensors..

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. GuardDog AI Complete differentiates with Real-time threat detection (avg. 700ms detection and containment), Autonomous threat containment without human escalation, Agentless deployment via lightweight sensors.

Fidelis Security is developed by Fidelis Security. GuardDog AI Complete is developed by GuardDog AI. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Fidelis Security and GuardDog AI Complete 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.