Kubernetes Misconfig for AZURE

Checks Performed

• An Admission Policy Engine Should Enforce Workload Policy
• Apply Security Context To Your Pods And Containers
• Audit Logging Should Be Enabled And Shipped Off-Cluster
• Azure Json File Ownership Set To Root Root
• Azure Json File Permissions Set To 644 Or More Restrictive
• Consider External Secret Storage
• Container Images Should Not Use The latest Or Untagged Tag
• Containers Should Define Liveness And Readiness Probes
• Containers Should Disallow Privilege Escalation
• Containers Should Drop All Linux Capabilities
• Containers Should Not Run In Privileged Mode
• Containers Should Run As Non-Root
• Containers Should Set CPU And Memory Limits
• Containers Should Set CPU And Memory Requests
• Containers Should Use A Read-Only Root Filesystem
• Create Administrative Boundaries Between Resources Using Namespaces
• Enable Audit Logs
• Enable Image Vulnerability Scanning With Microsoft Defender
• Encrypt Traffic To HTTPS Load Balancers With TLS Certificates
• Ensure Clusters Are Created With Private Nodes
• Ensure Clusters Use Private Endpoint With Public Access Disabled
• Ensure Default Service Accounts Are Not Actively Used
• Ensure Kubernetes Secrets Are Encrypted
• Ensure Latest CNI Version Is Used
• Ensure Network Policy Is Enabled And Set Appropriately
• Ensure Service Account Tokens Are Only Mounted Where Necessary
• Ensure That All Namespaces Have Network Policies Defined
• Ensure The Cluster-Admin Role Is Only Used Where Required
• Every Non-System Namespace Should Have A Default-Deny NetworkPolicy
• Kubelet Anonymous Auth Set To False
• Kubelet Authorization Mode Not Set To AlwaysAllow
• Kubelet Client CA File Set As Appropriate
• Kubelet Event Record QPS Set For Appropriate Event Capture
• Kubelet Kubeconfig File Ownership Set To Root Root
• Kubelet Kubeconfig File Permissions Set To 644 Or More Restrictive
• Kubelet Make IPTables Util Chains Set To True
• Kubelet Read Only Port Secured
• Kubelet Rotate Certificates Not Set To False
• Kubelet RotateKubeletServerCertificate Set To True
• Kubelet Streaming Connection Idle Timeout Not Set To Zero
• Limit Use Of The Bind, Impersonate And Escalate Permissions
• Manage Kubernetes RBAC Users With Azure AD
• Minimize Access To Create Persistent Volumes
• Minimize Access To Create Pods
• Minimize Access To Secrets
• Minimize Access To The Approval Sub-Resource Of CertificateSigningRequests
• Minimize Access To The Proxy Sub-Resource Of Nodes
• Minimize Access To The Service Account Token Creation
• Minimize Access To Webhook Configuration Objects
• Minimize Cluster Access To Read-Only For Azure Container Registry
• Minimize Container Registries To Only Those Approved
• Minimize The Admission Of Containers Sharing The Host IPC Namespace
• Minimize The Admission Of Containers Sharing The Host Network Namespace
• Minimize The Admission Of Containers Sharing The Host Process ID Namespace
• Minimize The Admission Of Containers With allowPrivilegeEscalation
• Minimize The Admission Of Privileged Containers
• Minimize User Access To Azure Container Registry
• Minimize Wildcard Use In Roles And ClusterRoles
• Multi-Replica Deployments Should Have A PodDisruptionBudget
• Mutable Image Tags Should Use imagePullPolicy Always
• Namespaces Should Enforce Pod Security Admission Baseline Or Stricter
• No RoleBinding Should Grant Access To Anonymous Or Unauthenticated Users
• No ServiceAccount Should Be Bound To cluster-admin
• No Workloads Should Run In The default Namespace
• Pods Should Be Managed By A Controller
• Pods Should Not Mount HostPath Volumes
• Pods Should Not Share Host Namespaces
• Pods That Do Not Use The API Should Disable Token Automount
• pods/exec Should Not Be Granted To Broad Subjects
• Prefer Bound Projected ServiceAccount Tokens Over Secret Tokens
• Prefer Using Dedicated AKS Service Accounts
• Prefer Using Secrets As Files Over Secrets As Environment Variables
• Restrict Access To The Control Plane Endpoint
• Secrets Should Be Encrypted At Rest
• Sensitive Values Should Not Be Passed As Literal Env Vars
• Tenant Namespaces Should Have A ResourceQuota
• The Default Namespace Should Not Be Used
• Use Azure RBAC For Kubernetes Authorization