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security-onion
Discontinued Security Onion 16.04 - Linux distro for threat hunting, enterprise security monitoring, and log management
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Otherwise, it sounds like a case for SIEM but that can be a huge undertaking. As a trial you could setup a Security Onion Import Node, capture some traffic to a pcap file (via a monitor port and Wireshark etc. or some routers do this natively) and see what it gives you. I have to warn you though, it can be quite overwhelming and is the opening to an immense rabbithole. Godspeed
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