Top 10 Kubernetes Security Tools
Updated December 31, 2024.
Kubernetes is turning 10, and while it’s become the foundation of cloud-native innovation, it’s just as complex as when it started. That complexity – sprawling clusters, dynamic configurations, and ever-changing workloads – creates the perfect conditions for security risks to quietly take root.
Over 350 Kubernetes clusters belonging to organizations, open-source projects, and individuals were exposed last year. Each one represented a real-world security breach, not a hypothetical risk. They prove that, without a focused approach to Kubernetes security, the cracks will eventually show.
To close these gaps, you need tools built for Kubernetes—not just tools that “work” with it. The right features can help you manage chaos, identify vulnerabilities, and harden your environment without slowing innovation.
What Are Kubernetes Security Tools?
Kubernetes security tools are specialized solutions to protect all Kubernetes environment components, including configurations and runtime workloads. These tools integrate with Kubernetes clusters to help you manage Kubernetes secrets, enforce security policies, and reduce risks throughout the development lifecycle. They allow you to monitor and improve critical areas like access control, authentication, and data protection across the cluster.
K8s security tools also connect with CI/CD pipelines, which enhances your overall DevSecOps strategy by guaranteeing that security checks occur continuously and seamlessly without slowing development. When paired with other security tools—such as SAST (Static Application Security Testing), DAST (Dynamic Application Security Testing), SCA (Software Composition Analysis), and secrets scanning—they offer a complete view of your security posture.
Key Features to Look For in Kubernetes Security Tools
- Contextual Risk Prioritization: Look for tools that rank vulnerabilities based on exploitability and impact. This ranking helps you tackle the most critical risks first, reducing noise and improving focus for faster resolution.
- Dynamic Policy Enforcement: Security tools should keep pace with Kubernetes' fluid environment. Opt for tools that can adjust policies in real-time, ensuring continuous compliance as clusters scale, configurations change, and new workloads are deployed.
- Cloud and Kubernetes Integration: The tool must integrate directly with Kubernetes APIs and cloud providers, delivering unified security without disrupting existing workflows.
- IaC Security for Kubernetes Configurations: Prioritize solutions that analyze Kubernetes manifests, Helm charts, and IaC templates for security gaps. Addressing these gaps early prevents misconfigurations that attackers can exploit to compromise your clusters.
- Real-Time Intrusion Detection: Focus on tools that offer Kubernetes-specific runtime monitoring capabilities, such as workload behavior profiling and cluster-specific anomaly detection. Automatic isolation of compromised pods is also helpful.
Top 10 Kubernetes Security Tools
1. Kubescape
Kubescape secures Kubernetes from development to runtime with features like shift-left scanning in IDEs and CI/CD pipelines, YAML and Helm validation, runtime threat detection, multi-cloud support, and network policy generation. It supports compliance with frameworks like NSA and MITRE and offers continuous monitoring via in-cluster deployment or CLI.
Best for
Managing Kubernetes in multi-cloud or compliance-heavy environments.
2. Jit
Jit’s ASPM platform brings together various integrated security scanners for SAST, DAST, IaC, and CSPM, offering end-to-end security plans and automated testing across the SDLC. Its extensive list of integrations includes powerful Kubernetes and container scanning tools like Trivy and Kubescape, which can strengthen your K8 security efforts.
Moreover, Jit delivers instant feedback on code changes, automated fix suggestions, and critical risk prioritization. With change-based scanning and automated fixes, Jit helps you tackle risks in real time without leaving your environment.
Best for
Developers seeking streamlined integration of multiple security tools.
Review
“The Context Engine is amazing. What I enjoy most is that I can modify the factors that go into the priority and easily see how a priority was calculated. We’ve used tools in the past that were black boxes. This feature is fantastic.”
3. Kubeaudit
Kubeaudit is a lightweight tool to audit Kubernetes clusters for misconfigurations like running privileged containers, missing AppArmor annotations, or excessive permissions. It supports three modes: manifest file scanning, cluster-wide auditing, and local kubeconfig checks. With autofix capabilities, CLI and kubectl integration, and compliance checks against best practices, it simplifies securing Kubernetes deployments at scale.
Best for
Quick, automated audits of Kubernetes clusters.
4. Anchore
Anchore secures cloud-native Kubernetes and container environments with SBOM-powered tools. It offers continuous scanning for vulnerabilities, malware, and secrets, runtime inventory for active risk prioritization, compliance packs for NIST 800-53 and FedRAMP, license checks, policy-as-code enforcement, and detailed reporting. Anchore’s runtime context and deep dependency scanning streamline security and compliance workflows.
Best for
SBOM-driven compliance and vulnerability management.
Review
“We love the automated container security tool, which is scalable and thorough. Since we began looking for a cloud-native security solution, we have been delighted to have it. It provides vulnerability checks for our containerized applications and reports and complements our container strategy for automated security.”
5. Chain-bench
Chain-bench audits your software supply chain for CIS Software Supply Chain benchmark compliance. It scans your SDLC for risks from code to deployment, integrates with GitHub and GitLab CI, and generates detailed security reports. Its CLI and Docker support makes pinpointing vulnerabilities across repositories and SCM platforms easy.
Best for
Auditing Kubernetes software supply chains against CIS benchmarks.
6. Trivy
Trivy provides deep security scanning for container images, Kubernetes clusters, and cloud environments. It detects vulnerabilities in OS packages, application dependencies, and non-packaged software. You can scan IaC files like Terraform and Kubernetes manifests for misconfigurations, identify exposed secrets, analyze licenses, and generate SBOMs in SPDX and CycloneDX formats for precise inventory and compliance tracking.
Best for
Continuous vulnerability and secret scanning for Kubernetes workloads.
7. Falco
Falco provides real-time security for containers and Kubernetes by tapping into kernel events with eBPF. The tool offers preloaded or customizable rules to spot unusual activity, like unauthorized file changes or risky network behavior. With built-in integrations for tools like Prometheus and SIEM systems, you can quickly scale and manage alerts as your environment grows.
Best for
Real-time Kubernetes intrusion detection.
Review
“As a security analyst, I like its powerful intrusion detection feature that detects suspicious activities. Also, its container and Kubernetes are a big support for organizations operating in cloud infrastructure.”
8. Kube-bench
Kube-bench checks your Kubernetes deployment against CIS Kubernetes Benchmark guidelines to identify potential security gaps. It dynamically adapts tests to match your Kubernetes version with YAML-based configurations for easy updates. Flexible deployment options include running it as a pod, job, or through Trivy for integrated compliance checks.
Best for
Identifying compliance gaps and simplifying Kubernetes security audits.
9. Illuminatio
Illuminatio makes testing Kubernetes network policies straightforward. It scans your cluster, auto-generates test cases, and runs them to confirm your policies are working as intended. With clean resource handling, dry-run previews, and Docker support, Illuminatio is a practical tool for maintaining strong network security in Kubernetes environments.
Best for
Fine-tuning Kubernetes network policies.
10. Kube-hunter
Kube-hunter digs into your Kubernetes cluster to uncover potential security gaps. It offers flexible scanning modes – remote, interface, or network – tailored to your environment. With features like active hunting to mimic attacker behavior and customizable vulnerability tests, it provides valuable insights into weaknesses attackers could exploit.
Best for
Penetration testing and proactive threat identification.
Benefits of Kubernetes Security Tools
With the sheer volume of alerts in Kubernetes environments, distinguishing critical threats from low-impact issues is a constant challenge. Tools that can prioritize vulnerabilities based on runtime exposure, cloud connectivity, and asset criticality help you focus your efforts on exploitable risks that could impact production systems.
Risk prioritization becomes even more crucial in hybrid and multi-cloud environments, where security complexity multiplies across platforms. By integrating seamlessly with AWS, Azure, and GCP, these tools provide a consistent security lens across your entire infrastructure.
You gain immediate visibility into misconfigurations that matter – like overly permissive RBAC policies, exposed secrets, and containers running as root. When pods violate security policies or exhibit suspicious behavior like unexpected process executions, you'll know instantly.
The real advantage comes from catching these issues early in your development cycle. Rather than facing last-minute security blockers that delay releases, your DevOps teams can automate security checks in their CI/CD pipeline and IDE. This automation means fixing vulnerabilities while the code is fresh, not scrambling to patch issues in production when the context is long forgotten and the pressure is high.
Time to Rethink Your Kubernetes Security
Securing Kubernetes is more than plugging gaps—it’s also about building confidence in an inherently complex environment. The dynamic nature of clusters and workloads demands specialized tools that go beyond surface-level fixes, providing real insights and targeted solutions. Without the right approach, vulnerabilities can stack up faster than they’re addressed, putting everything at risk.
Jit integrates some of the best Kubernetes security tools, like Trivy and Kubescape, directly into your existing workflows. By offering actionable insights and contextual prioritization, Jit lets you secure your Kubernetes environment quickly and effectively – no wasted time on low-priority fixes and no unnecessary steps.
For Kubernetes security that fits how you work – visit Jit’s homepage to learn more.