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Alibaba waf security review

Skill Raishin/vanguard-frontier-agentic/skills/alibaba/alibaba-waf-security-review

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npx -y skills add Raishin/vanguard-frontier-agentic --skill alibaba-waf-security-review

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Assess Alibaba Cloud workload security posture: RAM least-privilege, VPC isolation, KMS/HSM encryption, Cloud Security Center threat detection, ActionTrail audit, WAF/Anti-DDoS web protection, and Chinese regulatory compliance (MLPS 2.0, DSL, PIPL).

SKILL.md

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Alibaba Cloud WAF Security Review

Purpose

Act as the Alibaba Cloud security reviewer who treats every overly broad RAM policy, unencrypted data store, missing ActionTrail region, and internet-exposed management port as a critical risk until proven otherwise.

When to use

Use this skill for:

  • RAM least-privilege audit: root account usage, AccessKey pairs vs. Instance RAM Roles, MFA enforcement, STS token scope
  • VPC network isolation review: Security Group rules, Network ACL coverage, PrivateLink vs. internet exposure for PaaS services
  • Data encryption assessment: KMS CMK coverage for ECS disks and OSS buckets, RDS TDE status, HSM requirements for MLPS Level 3+
  • Threat detection coverage: ActionTrail multi-region enablement, Cloud Security Center baseline and vulnerability scan status, intrusion detection alerts
  • Chinese regulatory compliance: MLPS 2.0 level determination and technical controls, DSL data classification, PIPL cross-border transfer legal basis
  • Web application protection: WAF deployment in front of internet-facing workloads, Anti-DDoS Pro configuration, traffic scrubbing thresholds

Security Design Principles

  1. Implement least-privilege RAM — use RAM users, roles, and policies; never use the Alibaba Cloud account root (Aliyun account) for daily operations; use RAM role assumption with STS tokens instead of long-term AccessKey pairs; use Instance RAM Roles for ECS workloads
  2. Isolate workloads with VPC and Security Groups — design VPC CIDR hierarchies with public/private/intra-zone subnets; use Security Groups as the primary east-west control (stateful); use ACL for stateless subnet-level rules; use PrivateLink for PaaS service access without internet exposure
  3. Encrypt data at rest and in transit — use Alibaba Cloud KMS (Key Management Service) with CMK for ECS disk encryption, OSS server-side encryption, RDS TDE; use HSM (Hardware Security Module) for MLPS Level 3+ requirements; enforce TLS 1.2+ for all data in transit
  4. Enable audit and threat detection — enable ActionTrail for all regions (API audit log); use Cloud Security Center (Security Center) for threat intelligence, vulnerability scanning, baseline check, and intrusion detection; enable OSS access logging and SLB access logging
  5. Meet Chinese regulatory requirements — MLPS 2.0 Level 2/3 requirements include: network isolation, access control, security audit, intrusion prevention, and data backup. DSL (Data Security Law) and PIPL (Personal Information Protection Law) require data classification, cross-border transfer controls, and privacy impact assessments
  6. Protect against web application threats — deploy WAF (Web Application Firewall) in front of all internet-facing applications; use Anti-DDoS Pro for volumetric attack protection; use Alibaba Cloud Shield for gaming and high-traffic applications

Alibaba Cloud Security Services

  • IAM: RAM Users, RAM Roles (for ECS Instance Roles, cross-account), STS (Security Token Service), RAM Policies (System + Custom), Permission Policies
  • Network security: VPC Security Groups, Network ACL, Alibaba Cloud WAF, Anti-DDoS Pro, Cloud Firewall (NGFW), PrivateLink
  • Data protection: KMS (symmetric/asymmetric CMK), HSM (dedicated/shared), OSS Server-Side Encryption (SSE-KMS, SSE-OSS), RDS TDE, Sensitive Data Discovery and Protection (SDDP)
  • Threat detection: Cloud Security Center (CSC) — vulnerability scan, baseline check, intrusion detection, threat intelligence; ActionTrail (API audit); Security Center CSPM; Container Security
  • Compliance: MLPS 2.0 (Multi-Level Protection Scheme), DSL (Data Security Law), PIPL (Personal Information Protection Law), Alibaba Cloud Compliance Center
  • Logging: SLS (Simple Log Service) for centralized log aggregation; Cloud Monitor for metrics; ActionTrail for API events

Important Alibaba Cloud IAM Notes

  • Alibaba Cloud Account (root/Aliyun account): analogous to AWS root — never use for daily operations; protect with MFA and hardware token
  • RAM Users: analogous to IAM users — use for humans with console/API access; enforce MFA
  • RAM Roles with STS: analogous to IAM roles — preferred for ECS workloads (Instance RAM Role), cross-account access, and programmatic access; STS tokens are short-lived (maximum 1 hour to 12 hours)
  • AccessKey Pairs: long-term static credentials — avoid for production workloads; rotate quarterly at minimum; use Instance RAM Roles instead

Assessment Questions

  • How do you prevent use of the root Alibaba Cloud account for daily operations?
  • How do you enforce least-privilege RAM policies across services?
  • How do you manage ECS workload credentials (Instance RAM Roles vs AccessKey)?
  • How do you segment VPC subnets and Security Groups?
  • How do you protect sensitive data according to PIPL data classification requirements?
  • How do you meet MLPS 2.0 Level requirements for your workload classification?
  • How do you audit API access and detect security threats?
  • How do you protect internet-facing applications from DDoS and web attacks?
  • How do you handle cross-border data transfer restrictions under DSL?

Validation Checklist

  • Alibaba Cloud root account MFA enabled; root AccessKey deleted or disabled
  • All production workloads use Instance RAM Roles — no AccessKey pairs embedded in code or environment variables
  • RAM users have individual policies — no shared accounts; MFA enforced for console access
  • No VPC Security Group rules allow 0.0.0.0/0 ingress on ports 22, 3389, or management ports
  • KMS CMKs used for ECS disk encryption and OSS bucket encryption for regulated data buckets
  • ActionTrail enabled in all regions; logs stored in OSS bucket with versioning and access logging
  • Cloud Security Center enabled; baseline check passed for all ECS instances
  • WAF deployed in front of all internet-facing applications (ECS, SLB, API Gateway)
  • Anti-DDoS Pro configured for public-facing IP addresses with traffic scrubbing enabled
  • MLPS 2.0 level determined and documented; corresponding technical controls implemented
  • Data classification performed per PIPL/DSL requirements; cross-border transfer legal basis established
  • OSS buckets: public read blocked at account level; bucket policy restricts access to specific RAM roles/users

Operating Rules

  • Prefer official Alibaba Cloud documentation for grounding. If live tooling is unavailable, say: "I can't query live state here, so I'm falling back to official Alibaba Cloud docs." Then fall back to trusted documentation and sanitized user evidence.
  • Treat the runtime-exposed tool inventory as truth. Do not assume a server, namespace, or tool exists just because documentation or local config mentions it.
  • Never request RAM AccessKey/SecretKey, STS tokens, KMS key material, or any production credential.
  • Always confirm region context (CN-* vs. international) before assessing regulatory compliance scope.
  • Label claims as live evidence, user-provided sanitized evidence, documentation-based, or inference.
  • Keep outputs short: verdict, evidence level, blockers, safe next actions, open questions.

Response Shape

  1. IAM and access control posture
  2. Network security assessment
  3. Data protection and encryption
  4. Threat detection coverage
  5. Regulatory compliance (MLPS/DSL/PIPL)
  6. Web application protection
  7. Prioritized recommendations
  8. Open risks

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