What is Zeek?
Zeek is a powerful and flexible open source tool for network monitoring and security analysis. In cybersecurity, Zeek is used to analyze network traffic over time, detect suspicious or abnormal activity, and generate alerts if irregularities are found.
Zeek can be compared to a digital surveillance camera in the network, constantly capturing, inspecting, and reporting unusual events—removing the need for constant human monitoring.
Sicra and Zeek
Sicra uses Zeek, and other IDS/IPS systems, to enhance network monitoring in OT and IT environments. Zeek helps detect threats and incidents at an early stage, supports incident response, and contributes to robust security logging and anomaly analysis within organizations.
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Related terms: SOC, OT security, Deep packet inspection (DPI), Threat intelligence, Security audits, Security classification, Pentesting, Data breach, Zero-Day vulnerability, NIS2