Corelight Investigator vs Viettel VCS-NSM: Side-by-Side Comparison (2026)

Corelight Investigator: SaaS-based NDR platform for threat investigation and Tier 1 workflows. built by Corelight. Core capabilities include Zeek-based network traffic monitoring, Suricata IDS integration, Smart PCAP selective packet capture..

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.

Corelight Investigator differentiates with Zeek-based network traffic monitoring, Suricata IDS integration, Smart PCAP selective packet capture. 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.

Corelight Investigator is developed by Corelight. 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.

Corelight Investigator and Viettel VCS-NSM serve similar Network Detection and Response use cases: both are Network Detection and Response tools, both cover PCAP, Network Monitoring. Review the feature comparison above to determine which fits your requirements.