Block Insecure Containers
Before They Run
Enforce security policies at Kubernetes admission time with real-time container validation. Block vulnerable images, enforce signing policies, validate pod security standards, and prevent misconfigurations before they reach production.
Complete Kubernetes Admission Control
Enforce security policies at the admission layer before containers are scheduled
Vulnerability Blocking
Block containers with critical or high CVEs from running in production. Set CVSS thresholds and enforce zero-vulnerability policies.
Image Signing Validation
Enforce container image signing with Sigstore, Cosign, or Notary. Block unsigned or untrusted images from production clusters.
Pod Security Standards
Enforce Kubernetes Pod Security Standards (Privileged, Baseline, Restricted) with custom policies for namespaces and workloads.
Misconfiguration Prevention
Block pods running as root, using host network, exposing privileged ports, or requesting excessive capabilities.
Custom Policy Engine
Define policies using OPA Rego, Kyverno, or built-in rules. Enforce organizational standards across all clusters.
Real-time Image Scanning
Scan container images on-demand at admission time. No pre-scan required—validate images when they're actually deployed.
How TigerGate Admission Controller Works
Seamless integration with Kubernetes admission webhooks for real-time policy enforcement
1. Deploy Admission Webhook
Install TigerGate admission controller via Helm chart. Registers as a ValidatingWebhookConfiguration in your cluster.
2. Intercept Pod Creation
When a pod is created, Kubernetes API server calls TigerGate webhook before scheduling. Image is scanned and policies are evaluated in <10ms.
3. Allow or Deny
If policies pass, pod is admitted and scheduled. If violations detected, pod is rejected with clear error message explaining the reason.
Enforcement Points
Why Teams Choose TigerGate Admission Controller
Stop vulnerable containers from running in production with real-time admission control
Zero-Day Protection
Block containers with critical CVEs before they're exploited. Real-time scanning detects newly disclosed vulnerabilities at admission time.
- Real-time CVE database updates
- CVSS threshold enforcement (e.g., block CVSS >= 9.0)
- Known exploit detection
- Emergency policy updates for zero-days
Supply Chain Security
Enforce image signing and provenance validation. Block untrusted or tampered images from running in production clusters.
- Sigstore/Cosign signature validation
- Container image provenance verification
- Registry allowlist/blocklist enforcement
- Private registry authentication
Compliance Enforcement
Meet PCI-DSS, HIPAA, SOC 2, and CIS Kubernetes benchmark requirements with automated policy enforcement at the admission layer.
- Pod Security Standards (Privileged/Baseline/Restricted)
- CIS Kubernetes Benchmark compliance
- PCI-DSS container security requirements
- Custom compliance policies per namespace
Audit & Visibility
Track every admission decision with detailed audit logs. Understand what's running in your cluster and why certain pods were blocked.
- Admission decision audit trail
- Policy violation reporting
- Blocked deployment analytics
- Compliance dashboard and reports
Deploy in Any Kubernetes Environment
TigerGate admission controller works with any Kubernetes distribution
Managed Kubernetes
- Amazon EKS
- Google GKE
- Azure AKS
- DigitalOcean DOKS
Self-Managed Distributions
- Vanilla Kubernetes
- OpenShift
- Rancher
- K3s/K0s
Installation Methods
- Helm Chart
- Kubectl YAML
- Kustomize
- GitOps (ArgoCD/Flux)
Quick Installation
Protect Your Kubernetes Cluster Today
Deploy TigerGate admission controller in minutes. Block vulnerable containers and enforce security policies at the admission layer.
Free for 30 days • No credit card required • 5-minute setup