Fidelis Security vs Kaspersky Next XDR Optimum: 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..

Kaspersky Next XDR Optimum: XDR platform for SMBs with endpoint protection, cloud sandbox & AD integration. built by Kaspersky. Core capabilities include Alerts aggregation to reduce MTTD and analyst cognitive load, Cloud Sandbox for manual suspicious file detonation from alert cards, Active Directory integration for user blocking and third-party response actions..

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. Kaspersky Next XDR Optimum differentiates with Alerts aggregation to reduce MTTD and analyst cognitive load, Cloud Sandbox for manual suspicious file detonation from alert cards, Active Directory integration for user blocking and third-party response actions.

Fidelis Security is developed by Fidelis Security. Kaspersky Next XDR Optimum is developed by Kaspersky. 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. Kaspersky Next XDR Optimum integrates with Microsoft 365, Active Directory, Kaspersky Security Awareness Platform. Check integration compatibility with your existing security stack before deciding.

Fidelis Security and Kaspersky Next XDR Optimum serve similar Extended Detection and Response use cases: both are Extended Detection and Response tools, both cover Active Directory. Review the feature comparison above to determine which fits your requirements.