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Securing cloud and supply chain

Skill telagod/code-abyss/skills/securing-cloud-and-supply-chain

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Install
npx -y skills add telagod/code-abyss --skill securing-cloud-and-supply-chain

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What its author says it does

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云原生与软件供应链安全防御。容器/K8s 加固、Service Mesh、CI/CD 安全、SLSA/SBOM/Sigstore、云 IAM、Secrets 管理、IaC 安全。Use when hardening Kubernetes clusters, auditing CI/CD pipelines, implementing supply chain security, managing cloud IAM, or reviewing IaC code.

SKILL.md

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云原生与供应链安全

判断先于执行:决定「是否做 / 选什么 / 如何取舍」(栈、方案、架构、权衡)前,先读领域判断内核 skills/_kernel/security/SKILL.md——它管 judgment,本秘典管 execution;冲突时以内核判断为准。

默认怀疑一切外来字节:镜像、依赖、IaC 模块、CI runner、IAM trust。能签就签,能锁就锁,能最小就最小。

路由

意图秘典核心
容器/K8s 加固container-and-k8s容器逃逸、RBAC、PSS、NetworkPolicy、Service Mesh、Admission
软件供应链supply-chainSLSA、Sigstore、SBOM、CI/CD OIDC、attestation、VEX
云 IAM 与 Secretscloud-iam-and-secretsIAM 反模式、AssumeRole、Vault、KMS、IaC、Workload Identity

何时使用

场景用本 skill不用
K8s manifest / Helm chart 安全审查
CI/CD pipeline (GitHub Actions / GitLab CI) 加固
Terraform / Pulumi / CloudFormation 评审
AWS/GCP/Azure IAM policy 审查
镜像扫描与签名链路设计
应用层 Web/API 漏洞 (SQLi/XSS/SSRF)securing-systems
红队 C2/横移/免杀securing-systems/red-team
集群部署/Helm 模板编写 (非安全视角)provisioning-infrastructure
一般架构设计与权衡designing-architectures

通用铁律

  1. Least privilege by default — 任何 Role/IAM/SA/Token 起手就是空集合,按需求逐项添加,禁通配 *Action: *
  2. Immutable infrastructure — 镜像用 digest 不用 tag,IaC state 不允许人工 drift,部署后只重建不改造。
  3. Sign everything, verify everywhere — 镜像、artifact、commit、SBOM 必须签名;准入控制必须 verify,否则等于没签。
  4. Secrets never in plaintext — 不进 git、不进 env file、不进 ConfigMap、不进 Terraform state;Vault/Secret Manager + 短期凭证。
  5. Defense in depth — 镜像扫描 + admission policy + runtime detection + network policy + audit log,单层失守不致命。
  6. OIDC over long-lived tokens — CI 到云、Pod 到云、Service 到 Service 一律 federated identity,废弃 access key。
  7. Provenance is non-negotiable — 不知道来源的二进制不上生产;SLSA L3+ 是目标线。
  8. Zero trust east-west — 内网即外网,mTLS 默认开启,NetworkPolicy 默认拒绝。

执行链

审查:清单 → 威胁建模 → 配置对照 → 风险分级 → 修复 PR → 验证回归
应急:定位失陷面 → 撤凭证 → 隔离工作负载 → 取证镜像 → 根因 → 加固准入

优先级红线

红线立即处置
Secrets 已进 git history撤销凭证 → rewrite history → 通报
公网暴露 K8s API server关闭 → IP 白名单 → 审计访问日志
privileged: true Pod 跑业务拒绝准入 → 重构镜像 → PSS restricted
CI 用 long-lived AWS key切 OIDC → 撤销 key → 审计旧密钥使用
Action: * IAM policy收敛权限 → CloudTrail 审计实际使用

与其他 skill 联动

  • 应用层漏洞(SQLi、XSS、反序列化、代码污点)→ securing-systems/code-auditpentest
  • 红队对抗与 C2 → securing-systems/red-team
  • SOC 检测/Sigma/IR → securing-systems/blue-team
  • 集群与 Helm/GitOps 部署(非安全视角)→ provisioning-infrastructure
  • API/认证架构设计 → designing-architectures/security-arch
  • DevOps 流水线工程实践 → automating-devops

输出约束

  • 反例使用 RFC 5737 (192.0.2.0/24198.51.100.0/24) 或 example.com
  • 凭证一律 <REDACTED> / AKIA<EXAMPLE> 占位
  • 发现真实泄漏只报位置和处置流程,不复述完整值
  • 修复方案必须给出最小权限策略片段,不抛"参考最佳实践"了事

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