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Application & OT Security · Advanced

Runtime Container Security

Monitoring running containers and hosts for anomalous or malicious behavior such as unexpected processes, file changes or network connections.

Definition

Tools such as Falco (CNCF) use kernel events (eBPF) and rules to detect behaviors like shells spawning in containers or writes to sensitive paths. Runtime detection complements build-time scanning, which cannot catch zero-days or compromised credentials.

Example

A Falco rule alerts when a shell is spawned inside a production web container.

Exam tip

Build-time scanning plus runtime detection covers the container lifecycle.

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