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Tetragon vs KubeArmor: catalog facts
Tetragon	KubeArmor
Free Free to use as a CNCF open-source project.	Free Free to deploy from the GitHub repository.
Linux, Self-hosted	Linux, Self-hosted
Kernel-level enforcement that blocks malicious activity in real time Low overhead because filtering happens in eBPF	Enforces policies at runtime instead of only alerting Builds on LSM-BPF and AppArmor
Linux only, and aimed mainly at Kubernetes environments Requires familiarity with eBPF and writing policies to get the most from it	Requires a Kubernetes or container environment and Linux security module support Writing least-permissive policies takes effort
Self-hosted	Self-hosted
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.