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Provides compliance, governance, and supply chain security guidance for cloud-native systems. Covers OPA Rego policies, Kyverno cluster policies, SBOM generation, SLSA provenance, audit trail design, and regulatory framework mapping. Use when user mentions 'compliance', 'governance', 'OPA', 'kyverno', 'SBOM', 'SLSA', 'audit', 'policy-as-code', 'SOC2', 'HIPAA', 'PCI-DSS', 'artifact signing'.
type
skill
category
patterns
status
stable
origin
tibsfox
modified
false
first_seen
"2026-02-07T00:00:00.000Z"
first_path
examples/compliance-governance/SKILL.md
superseded_by
null
Compliance and Governance
Best practices for implementing policy-as-code, supply chain security, audit trails, and regulatory compliance in cloud-native environments. This skill covers the full lifecycle from policy authoring to continuous compliance monitoring and evidence generation.
Regulatory Framework Comparison
Understanding which controls map to which framework prevents duplicate work and identifies gaps.
Control Domain
SOC 2 (TSC)
HIPAA
PCI-DSS v4.0
FedRAMP
ISO 27001
Access Control
CC6.1-CC6.8
164.312(a)
Req 7, 8
AC family
A.9
Audit Logging
CC7.1-CC7.4
164.312(b)
Req 10
AU family
A.12.4
Encryption at Rest
CC6.1
164.312(a)(2)(iv)
Req 3
SC-28
A.10.1
Encryption in Transit
CC6.7
164.312(e)
Req 4
SC-8
A.13.1
Vulnerability Mgmt
CC7.1
164.308(a)(5)(ii)
Req 6, 11
RA-5, SI-2
A.12.6
Incident Response
CC7.3-CC7.5
164.308(a)(6)
Req 12.10
IR family
A.16
Change Management
CC8.1
164.308(a)(5)(ii)
Req 6.5
CM family
A.12.1
Data Classification
CC6.5
164.312(d)
Req 3.2-3.4
RA-2
A.8.2
Backup & Recovery
CC7.5, A1.2
164.308(a)(7)
Req 9.5
CP family
A.12.3
Vendor Management
CC9.2
164.308(b)
Req 12.8
SA family
A.15
Framework Selection Guidance
Your Industry
Start With
Add When Needed
SaaS B2B
SOC 2 Type II
ISO 27001 for international
Healthcare
HIPAA + SOC 2
HITRUST for certification
E-commerce / Payments
PCI-DSS
SOC 2 for broader trust
Government / Defense
FedRAMP
NIST 800-171 for CUI
Finance
SOC 2 + PCI-DSS
SOX for public companies
Policy-as-Code with OPA
Open Policy Agent (OPA) evaluates policies written in Rego against structured data. Policies are version-controlled, tested, and deployed alongside application code.
package kubernetes.admission
import rego.v1
# Deny containers running as root
deny contains msg if {
input.request.kind.kind == "Pod"
some container in input.request.object.spec.containers
not container.securityContext.runAsNonRoot
msg := sprintf(
"Container '%s' in Pod '%s' must set securityContext.runAsNonRoot=true",
[container.name, input.request.object.metadata.name]
)
}
# Deny images without digest pinning
deny contains msg if {
input.request.kind.kind == "Pod"
some container in input.request.object.spec.containers
not contains(container.image, "@sha256:")
not startswith(container.image, "registry.internal.company.com/")
msg := sprintf(
"Container '%s' uses unpinned image '%s'. Pin with @sha256: digest.",
[container.name, container.image]
)
}
# Require resource limits on all containers
deny contains msg if {
input.request.kind.kind == "Pod"
some container in input.request.object.spec.containers
not container.resources.limits.memory
msg := sprintf(
"Container '%s' must define resources.limits.memory",
[container.name]
)
}
# Require labels for cost tracking
deny contains msg if {
input.request.kind.kind in {"Deployment", "StatefulSet", "DaemonSet"}
not input.request.object.metadata.labels["cost-center"]
msg := sprintf(
"%s '%s' must have label 'cost-center' for cost allocation",
[input.request.kind.kind, input.request.object.metadata.name]
)
}
OPA Policy Testing
package kubernetes.admission_test
import rego.v1
test_deny_root_container if {
result := deny with input as {
"request": {
"kind": {"kind": "Pod"},
"object": {
"metadata": {"name": "test-pod"},
"spec": {
"containers": [{
"name": "app",
"image": "nginx@sha256:abc123",
"securityContext": {},
"resources": {"limits": {"memory": "128Mi"}}
}]
}
}
}
}
count(result) > 0
some msg in result
contains(msg, "runAsNonRoot")
}
test_allow_nonroot_container if {
result := deny with input as {
"request": {
"kind": {"kind": "Pod"},
"object": {
"metadata": {"name": "test-pod"},
"spec": {
"containers": [{
"name": "app",
"image": "nginx@sha256:abc123",
"securityContext": {"runAsNonRoot": true},
"resources": {"limits": {"memory": "128Mi"}}
}]
}
}
}
}
count(result) == 0
}
Policy-as-Code with Kyverno
Kyverno uses Kubernetes-native YAML for policies. No new language to learn.
Kyverno ClusterPolicy: Image Registry Restriction
apiVersion:kyverno.io/v1kind:ClusterPolicymetadata:name:restrict-image-registriesannotations:policies.kyverno.io/title:RestrictImageRegistriespolicies.kyverno.io/category:SupplyChainSecuritypolicies.kyverno.io/severity:highpolicies.kyverno.io/description:>-
Only allow images from approved registries to prevent
supply chain attacks via untrusted image sources.
spec:validationFailureAction:Enforcebackground:truerules:-name:validate-registriesmatch:any:-resources:kinds:-Podvalidate:message:>-
Image '{{ images.containers.*.registry }}' is not from an
approved registry. Allowed: ghcr.io/our-org, registry.internal.company.com
pattern:spec:containers:-image:"ghcr.io/our-org/* | registry.internal.company.com/*"=(initContainers):-image:"ghcr.io/our-org/* | registry.internal.company.com/*"-name:require-digestmatch:any:-resources:kinds:-Podvalidate:message:"Images must use digest (@sha256:) not tags for reproducibility."pattern:spec:containers:-image:"*@sha256:*"-name:add-image-pull-secretmatch:any:-resources:kinds:-Podmutate:patchStrategicMerge:spec:imagePullSecrets:-name:registry-credentials
OPA vs Kyverno Comparison
Aspect
OPA / Gatekeeper
Kyverno
Policy Language
Rego (purpose-built)
YAML (K8s-native)
Learning Curve
Steep (new language)
Gentle (familiar YAML)
Mutation Support
Limited
First-class
Generation Support
No
Yes (create resources)
Image Verification
Via external data
Built-in (cosign/notary)
Audit Reports
Custom
Built-in PolicyReport
Multi-cluster
Bundle server
Shared policies via Git
Best For
Complex logic, multi-system
K8s-only, team adoption
Supply Chain Security
SBOM Generation with Syft
A Software Bill of Materials (SBOM) catalogs every component in your software. Required by executive orders and increasingly by enterprise customers.
# Generate SBOM from container image
syft ghcr.io/our-org/api:v1.2.3 -o spdx-json > sbom-api-v1.2.3.spdx.json
# Generate SBOM from source directory
syft dir:./src -o cyclonedx-json > sbom-source.cdx.json
# Generate SBOM from Dockerfile
syft docker:Dockerfile -o spdx-json > sbom-dockerfile.spdx.json
# Scan SBOM for vulnerabilities with Grype
grype sbom:./sbom-api-v1.2.3.spdx.json --fail-on high
# CI integration: generate + scan + attest in one pipeline
syft ghcr.io/our-org/api:v1.2.3 -o spdx-json | \
tee sbom.spdx.json | \
grype --fail-on critical
SBOM Format Comparison
Aspect
SPDX
CycloneDX
Origin
Linux Foundation
OWASP
ISO Standard
ISO/IEC 5962:2021
ECMA-424
Primary Focus
Licensing + provenance
Security + dependencies
Gov. Requirement
US EO 14028 (preferred)
Widely accepted
Tooling
Broader ecosystem
Better vulnerability focus
Best For
License compliance
Security analysis
SLSA Provenance
Supply-chain Levels for Software Artifacts (SLSA) provides a framework for ensuring artifact integrity.
SLSA Level
Requirements
Trust
Level 0
No guarantees
None
Level 1
Build process documented
Provenance exists
Level 2
Hosted build, signed provenance
Tamper-resistant provenance
Level 3
Hardened build platform
Tamper-proof provenance
SLSA Provenance with GitHub Actions
name:ReleasewithSLSAProvenanceon:push:tags: ['v*']
permissions:contents:writepackages:writeid-token:write# OIDC for keyless signingattestations:write# GitHub artifact attestationsjobs:build:runs-on:ubuntu-latestoutputs:digest:${{steps.build.outputs.digest}}steps:-uses:actions/checkout@v4-uses:docker/setup-buildx-action@v3-uses:docker/login-action@v3with:registry:ghcr.iousername:${{github.actor}}password:${{secrets.GITHUB_TOKEN}}-name:Buildandpushid:builduses:docker/build-push-action@v6with:context:.push:truetags:ghcr.io/${{github.repository}}:${{github.ref_name}}-name:GenerateSBOMuses:anchore/sbom-action@v0with:image:ghcr.io/${{github.repository}}:${{github.ref_name}}format:spdx-jsonoutput-file:sbom.spdx.json-name:AttestSBOMuses:actions/attest-sbom@v2with:subject-name:ghcr.io/${{github.repository}}subject-digest:${{steps.build.outputs.digest}}sbom-path:sbom.spdx.json-name:Attestbuildprovenanceuses:actions/attest-build-provenance@v2with:subject-name:ghcr.io/${{github.repository}}subject-digest:${{steps.build.outputs.digest}}
Application --> Structured Log --> Log Aggregator --> Immutable Store
| | |
v v v
stdout/ Fluentd/Vector S3 (WORM) +
event bus with schema CloudTrail
validation Lake
|
v
SIEM / Query
(Athena, Splunk,
Elastic)
Retention Requirements by Framework
Framework
Minimum Retention
Recommended
Notes
SOC 2
1 year
3 years
Auditor needs rolling 12 months
HIPAA
6 years
7 years
From date of creation or last effective date
PCI-DSS
1 year
3 years
Immediate access to 3 months
FedRAMP
3 years
6 years
May vary by data classification
GDPR
No minimum
Case-by-case
Must justify retention period
RBAC and Access Control
Kubernetes RBAC Policy
# Principle: least privilege, namespace-scoped, no wildcard verbsapiVersion:rbac.authorization.k8s.io/v1kind:Rolemetadata:name:app-developernamespace:team-alpharules:-apiGroups: ["apps"]
resources: ["deployments", "replicasets"]
verbs: ["get", "list", "watch", "create", "update", "patch"]
-apiGroups: [""]
resources: ["pods", "pods/log", "services", "configmaps"]
verbs: ["get", "list", "watch"]
# Explicitly NO access to: secrets, persistent volumes, cluster roles---apiVersion:rbac.authorization.k8s.io/v1kind:RoleBindingmetadata:name:app-developer-bindingnamespace:team-alphasubjects:-kind:Groupname:team-alpha-devsapiGroup:rbac.authorization.k8s.ioroleRef:kind:Rolename:app-developerapiGroup:rbac.authorization.k8s.io
Access Control Comparison
Model
When to Use
Complexity
Example
RBAC
Standard team structures
Low
Developer, Admin, Viewer roles
ABAC
Dynamic, attribute-driven
Medium
"Allow if department=engineering AND env=staging"
ReBAC
Relationship-heavy domains
High
"Allow if user is owner of parent folder"
PBAC
Compliance-driven
Medium
OPA/Cedar policies
Policy-as-Code Workflow
Author Policy --> Unit Test --> Review PR --> Merge --> Deploy to OPA/Kyverno
| | | | |
v v v v v
Rego/YAML opa test Peer + Main Gatekeeper
in Git conftest Security branch admission
review controller
|
v
Audit + Alert
on violations
