Kubernetes
Tenable
| Feature | Tenable | |
|---|---|---|
| Pricing | Free only | Free / from $3990/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.3 / 5 |
| Best For | platform-teams, large-organizations, microservices-architectures, cloud-native-apps | security-teams, compliance-officers, it-operations, vulnerability-managers |
| Founded | 2014 | 2002 |
| Container Orchestration | ✓ | ✗ |
| Auto Scaling | ✓ | ✗ |
| Service Discovery | ✓ | ✗ |
| Load Balancing | ✓ | ✗ |
| Rolling Updates | ✓ | ✗ |
| Self Healing | ✓ | ✗ |
| Secret Management | ✓ | ✗ |
| Helm Charts | ✓ | ✗ |
| Vulnerability Scanning | ✗ | ✓ |
| Asset Discovery | ✗ | ✓ |
| Risk Prioritization | ✗ | ✓ |
| Compliance Reporting | ✗ | ✓ |
| Web App Scanning | ✗ | ✓ |
| Cloud Security | ✗ | ✓ |
✓ Kubernetes Pros
- De facto standard for container orchestration
- Highly extensible with custom resources and operators
- Automatic scaling and self-healing capabilities
- Multi-cloud and on-premises deployment support
- Massive community and ecosystem
✗ Kubernetes Cons
- Notoriously complex to set up and manage
- Overkill for simple applications
- Steep learning curve even for experienced engineers
✓ Tenable Pros
- Comprehensive vulnerability coverage
- Excellent asset discovery
- Good risk prioritization
- Strong compliance reporting
✗ Tenable Cons
- Expensive for large environments
- Complex initial setup
- Scanning can impact performance
The Verdict
Kubernetes is built for platform teams and large organizations, with a focus on container-orchestration and auto-scaling. Tenable targets security teams and compliance officers and leads with vulnerability-scanning and asset-discovery.
Kubernetes uses custom enterprise pricing, while Tenable starts at $3990/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Kubernetes offers broader built-in capabilities (8 features vs 6), while Tenable takes a more focused approach — which can mean a simpler, faster onboarding experience.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.