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Home/Capabilities/Cloud & Infrastructure Security

Kubernetes & Container Security

Kubernetes security is a distinct discipline. Misconfigurations in clusters, images, and runtime can expose entire environments. We assess the full container lifecycle.

Kubernetes & Container Security, QuassrCyberTech framework overview
Cloud Security AssessmentsAWS / Azure / GCP Security AssessmentKubernetes & Container SecurityCloud Security Posture Management (CSPM)On-Premises & Hybrid Infrastructure HardeningCloud Compliance Review

Scope of Assessment

What We Assess

The areas we examine during a Kubernetes & Container Security engagement, and what each one is looking for.

01

Kubernetes RBAC

Audit Kubernetes role-based access control policies and service account permissions.

02

Pod Security Control

Evaluate Pod Security Standards (PSS) and admission controllers usage.

03

K8s Network Policies

Audit network policy enforcement to isolate namespaces and restrict inter-pod traffic.

04

Container Hardening

Scan container base images and verify security configurations inside files.

05

Kubernetes Secrets

Review secrets storage encryption, external vault integrations, and injection paths.

06

Control Plane Security

Verify API server authentication and check database (etcd) encryption keys.

Also in Scope

Runtime container behavior monitoring and anomaly detection coverage
Container registry security, image signing and supply chain integrity controls
Node hardening and underlying host operating system security configuration
Namespace isolation effectiveness and workload separation enforcement
Persistent volume and storage security within containerized environments
Cluster upgrade cadence, version currency and known CVE exposure assessment

Engagement Sequence

How QuassrCyberTech Delivers

A structured delivery sequence that converts assessment insights into measurable resilience outcomes.

01

Cluster Audit

Perform automated and manual assessments of the Kubernetes control plane and API server.

02

Configuration Review

Analyze RBAC, network policies, and admission controllers for least privilege.

03

Image Scanning

Identify vulnerabilities and misconfigurations within container images.

04

Reporting

Provide cluster-level and workload-level remediation strategies.

Where This Lands

Industry Application

QuassrCyberTech | SaaS & Technology Industry

SaaS & Technology

Securing massive, microservices-based architectures running on managed or self-hosted Kubernetes.

QuassrCyberTech | FinTech & Digital Payments Industry

FinTech & Digital Payments

Isolating highly sensitive financial workloads within containerized environments.

QuassrCyberTech | E-commerce & Digital Industry

E-commerce & Digital

Securing customer data, payment processing, and mobile commerce applications for digital retail leaders.

Powered by the QuassrCyberTech ecosystem

Platform intelligence that accelerates delivery, strengthens execution, and improves measurable outcomes.

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AI-Powered Asset Intelligence & Vulnerability Management

Our Kubernetes & Container Security engagements are accelerated by QStellar, combining platform intelligence with advisory and execution delivery.

  • Asset discovery and continuous visibility
  • Vulnerability intelligence with risk prioritization
  • Configuration drift and exposure monitoring
Explore QStellar
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Frequently Asked Questions

Answers to common questions for Kubernetes & Container Security.

Kubernetes is a highly complex and dynamic orchestrator, and a single misconfiguration can expose the entire cluster to compromise. We provide specialized hardening to secure both the Kubernetes control plane and the individual workloads running within it. Our approach ensures that your containerized environment is resilient, manageable, and secure at scale.

Role-Based Access Control (RBAC) is the primary way to manage permissions within a cluster, but it is often overly permissive by default. We audit your roles, cluster roles, and their respective bindings to ensure that users and service accounts follow the principle of least privilege. This prevents attackers from using a compromised pod to escalate their privileges and take over the entire cluster.

Pod security settings define the security constraints that containers must follow, such as preventing them from running as the root user. We configure Admission Controllers to automatically intercept and reject any deployment requests that violate your defined security baselines. This security-as-code approach ensures that only compliant and secure containers are ever allowed to run in your environment.

We implement automated image scanning within your CI/CD pipeline to identify known vulnerabilities and hardcoded secrets before they are deployed. By catching these issues early, we prevent insecure software from ever reaching your production Kubernetes clusters. Continuous scanning ensures that you are protected against newly discovered vulnerabilities in your base images and libraries.

Etcd is the source of truth for your cluster, storing all state and sensitive secrets, while the API server is the central brain that manages all operations. We ensure that the API server is not exposed to the public internet and that Etcd is encrypted and heavily restricted by access controls. Protecting these two core components is the most critical step in securing any Kubernetes deployment.

Related Capabilities

Explore adjacent capability pillars commonly delivered alongside this engagement stream.

Offensive Security & Resilience EngineeringOffensive Security

Adversary-focused validation across applications, APIs, teams, code, and AI systems to reduce exploitable risk.

Compliance & AssuranceCompliance

RBI compliance, DPDP Act readiness, ISO 27001, SOC2, and comprehensive regulatory gap assessments.

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