Tetragon
An eBPF-based security observability and runtime enforcement tool for Linux hosts and Kubernetes clusters.
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About Tetragon
Tetragon watches processes and system activity from inside the Linux kernel using eBPF. Because policy and filtering run in the kernel, observation overhead stays low and malicious actions can be blocked as they happen, without the timing gaps that user-space checks can leave.
It understands Kubernetes workload identities such as namespaces and pod metadata, and ships with pre-defined policy libraries to shorten setup. Tetragon is a sub-project of Cilium and a CNCF project, and suits platform and security teams running Linux servers or Kubernetes.
Strengths
- Kernel-level enforcement that blocks malicious activity in real time
- Low overhead because filtering happens in eBPF
- Kubernetes-aware, with namespace and pod metadata in events
- Pre-defined policy libraries for faster deployment
Limitations
- Linux only, and aimed mainly at Kubernetes environments
- Requires familiarity with eBPF and writing policies to get the most from it
Details
- Pricing
- FreeFree to use as a CNCF open-source project.
- License
- Open source, license not stated
- Developer
- The Cilium contributors
- Platforms
- Linux, Self-hosted
- How it runs
- Self-hosted
- Account
- Not required
- Best suited for
- Security and platform teams monitoring and enforcing policy on Linux and Kubernetes workloads
- Categories
- System monitoring, Security tools
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Tetragon
Compare allSoftware that can replace Tetragon for an important use case, and what changes if you switch.
Tracee
A Linux runtime security and forensics tool that traces system events using eBPF.
Tracee also uses eBPF for Linux runtime security with built-in detectors and adds forensics use, but is not described as enforcing policy in the kernel.
Falco
Detect unusual runtime behavior on Linux systems.
Falco detects unusual runtime behaviour on Linux using rules over system events and container context, under Apache-2.0, focused on detection rather than kernel enforcement.
Tetragon as an alternative
Listings that name Tetragon as an alternative.
sysdig
A Linux command-line tool for exploring and troubleshooting systems by capturing system calls, with container support.
Tetragon provides eBPF security observability with real-time runtime enforcement and Kubernetes metadata, aimed mainly at Kubernetes environments.
Similar software
Related functionality, not necessarily a direct replacement.
Kubescape
Assess Kubernetes configuration and runtime security.
Kyverno
A policy engine for Kubernetes that validates, mutates, generates and cleans up resources using YAML policies.
gVisor
An application kernel that sandboxes containers to isolate them from the host Linux kernel.
Wazuh Agent
Endpoint agent that feeds a Wazuh server with security and compliance data.
Sysmon
A Sysinternals service that logs detailed process, network and file activity to the Windows event log.
AppArmor
A Linux kernel security module that confines programs to the actions allowed in per-application profiles.
