Corelight is a network security tool for threat detection and network traffic analysis. Built on the open Zeek framework, it helps SOC teams gain deep visibility into network activity, spot attacks faster, and respond to incidents with better context.
What Corelight is used for
Detecting suspicious network behavior and anomalies in real time
Packet and protocol analysis for investigations and incident response
Feeding high-fidelity network telemetry into SIEM and security analytics tools
Scaling network monitoring across large enterprise environments
Strengths and limitations
Fast threat detection based on detailed network traffic analysis
Scales for cloud and on-prem deployments
Integrates with other security products to extend workflows
Includes training resources and specialist support
Can be expensive for smaller organizations
Requires learning Zeek concepts and analytics workflows
Some use cases may require specialized hardware
Practical tips
Keep analysis rules and detections up to date
Integrate with your SIEM to centralize alerts and investigations
Configure alerts for critical events and tune them over time
Track Zeek core updates to maintain security and compatibility
