Stamus Clear NDR Community vs Viettel VCS-NSM: Side-by-Side Comparison (2026)

Stamus Clear NDR Community: Open source Suricata-based NDR system with threat detection and analysis. built by Stamus Networks, Inc.. Core capabilities include Suricata-based network analysis and threat detection, Multiple ruleset and threat intelligence source management, Custom Suricata rules and IoC data file upload..

Viettel VCS-NSM: Real-time network security monitoring for threat detection using DPI and sandbox. built by Viettel Security. Core capabilities include Deep Packet Inspection (DPI) for traffic analysis, Real-time threat detection for APTs, DDoS, brute force, and C2 traffic, Out-of-band sensor deployment via SPAN/TAP ports..

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

Stamus Clear NDR Community differentiates with Suricata-based network analysis and threat detection, Multiple ruleset and threat intelligence source management, Custom Suricata rules and IoC data file upload. Viettel VCS-NSM differentiates with Deep Packet Inspection (DPI) for traffic analysis, Real-time threat detection for APTs, DDoS, brute force, and C2 traffic, Out-of-band sensor deployment via SPAN/TAP ports.

Stamus Clear NDR Community is developed by Stamus Networks, Inc.. Viettel VCS-NSM is developed by Viettel Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Stamus Clear NDR Community integrates with OpenSearch, Evebox, Arkime, Fluentd, Cyberchef. Viettel VCS-NSM integrates with SIEM. Check integration compatibility with your existing security stack before deciding.

Stamus Clear NDR Community and Viettel VCS-NSM serve similar Network Detection and Response use cases: both are Network Detection and Response tools, both cover PCAP, Network Monitoring. Key differences: Stamus Clear NDR Community is Free while Viettel VCS-NSM is Commercial. Review the feature comparison above to determine which fits your requirements.