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* docs: add Chinese versions docs * update --------- Co-authored-by: neo <neo.dowithless@gmail.com>
9.5 KiB
9.5 KiB
| name | description |
|---|---|
| cloud-infrastructure-security | 在部署到云平台、配置基础设施、管理IAM策略、设置日志记录/监控或实现CI/CD流水线时使用此技能。提供符合最佳实践的云安全检查清单。 |
云与基础设施安全技能
此技能确保云基础设施、CI/CD流水线和部署配置遵循安全最佳实践并符合行业标准。
何时激活
- 将应用程序部署到云平台(AWS、Vercel、Railway、Cloudflare)
- 配置IAM角色和权限
- 设置CI/CD流水线
- 实施基础设施即代码(Terraform、CloudFormation)
- 配置日志记录和监控
- 在云环境中管理密钥
- 设置CDN和边缘安全
- 实施灾难恢复和备份策略
云安全检查清单
1. IAM 与访问控制
最小权限原则
# ✅ CORRECT: Minimal permissions
iam_role:
permissions:
- s3:GetObject # Only read access
- s3:ListBucket
resources:
- arn:aws:s3:::my-bucket/* # Specific bucket only
# ❌ WRONG: Overly broad permissions
iam_role:
permissions:
- s3:* # All S3 actions
resources:
- "*" # All resources
多因素认证 (MFA)
# ALWAYS enable MFA for root/admin accounts
aws iam enable-mfa-device \
--user-name admin \
--serial-number arn:aws:iam::123456789:mfa/admin \
--authentication-code1 123456 \
--authentication-code2 789012
验证步骤
- [ ] 生产环境中未使用根账户
- [ ] 所有特权账户已启用MFA
- [ ] 服务账户使用角色,而非长期凭证
- [ ] IAM策略遵循最小权限原则
- [ ] 定期进行访问审查
- [ ] 未使用的凭证已轮换或移除
2. 密钥管理
云密钥管理器
// ✅ CORRECT: Use cloud secrets manager
import { SecretsManager } from '@aws-sdk/client-secrets-manager';
const client = new SecretsManager({ region: 'us-east-1' });
const secret = await client.getSecretValue({ SecretId: 'prod/api-key' });
const apiKey = JSON.parse(secret.SecretString).key;
// ❌ WRONG: Hardcoded or in environment variables only
const apiKey = process.env.API_KEY; // Not rotated, not audited
密钥轮换
# Set up automatic rotation for database credentials
aws secretsmanager rotate-secret \
--secret-id prod/db-password \
--rotation-lambda-arn arn:aws:lambda:region:account:function:rotate \
--rotation-rules AutomaticallyAfterDays=30
验证步骤
- [ ] 所有密钥存储在云密钥管理器(AWS Secrets Manager、Vercel Secrets)中
- [ ] 数据库凭证已启用自动轮换
- [ ] API密钥至少每季度轮换一次
- [ ] 代码、日志或错误消息中没有密钥
- [ ] 密钥访问已启用审计日志记录
3. 网络安全
VPC 和防火墙配置
# ✅ CORRECT: Restricted security group
resource "aws_security_group" "app" {
name = "app-sg"
ingress {
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["10.0.0.0/16"] # Internal VPC only
}
egress {
from_port = 443
to_port = 443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"] # Only HTTPS outbound
}
}
# ❌ WRONG: Open to the internet
resource "aws_security_group" "bad" {
ingress {
from_port = 0
to_port = 65535
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"] # All ports, all IPs!
}
}
验证步骤
- [ ] 数据库未公开访问
- [ ] SSH/RDP端口仅限VPN/堡垒机访问
- [ ] 安全组遵循最小权限原则
- [ ] 网络ACL已配置
- [ ] VPC流日志已启用
4. 日志记录与监控
CloudWatch/日志记录配置
// ✅ CORRECT: Comprehensive logging
import { CloudWatchLogsClient, CreateLogStreamCommand } from '@aws-sdk/client-cloudwatch-logs';
const logSecurityEvent = async (event: SecurityEvent) => {
await cloudwatch.putLogEvents({
logGroupName: '/aws/security/events',
logStreamName: 'authentication',
logEvents: [{
timestamp: Date.now(),
message: JSON.stringify({
type: event.type,
userId: event.userId,
ip: event.ip,
result: event.result,
// Never log sensitive data
})
}]
});
};
验证步骤
- [ ] 所有服务已启用CloudWatch/日志记录
- [ ] 失败的身份验证尝试已记录
- [ ] 管理员操作已审计
- [ ] 日志保留期已配置(合规要求90天以上)
- [ ] 为可疑活动配置了警报
- [ ] 日志已集中存储且防篡改
5. CI/CD 流水线安全
安全流水线配置
# ✅ CORRECT: Secure GitHub Actions workflow
name: Deploy
on:
push:
branches: [main]
jobs:
deploy:
runs-on: ubuntu-latest
permissions:
contents: read # Minimal permissions
steps:
- uses: actions/checkout@v4
# Scan for secrets
- name: Secret scanning
uses: trufflesecurity/trufflehog@main
# Dependency audit
- name: Audit dependencies
run: npm audit --audit-level=high
# Use OIDC, not long-lived tokens
- name: Configure AWS credentials
uses: aws-actions/configure-aws-credentials@v4
with:
role-to-assume: arn:aws:iam::123456789:role/GitHubActionsRole
aws-region: us-east-1
供应链安全
// package.json - Use lock files and integrity checks
{
"scripts": {
"install": "npm ci", // Use ci for reproducible builds
"audit": "npm audit --audit-level=moderate",
"check": "npm outdated"
}
}
验证步骤
- [ ] 使用OIDC而非长期凭证
- [ ] 流水线中进行密钥扫描
- [ ] 依赖项漏洞扫描
- [ ] 容器镜像扫描(如适用)
- [ ] 分支保护规则已强制执行
- [ ] 合并前需要代码审查
- [ ] 已强制执行签名提交
6. Cloudflare 与 CDN 安全
Cloudflare 安全配置
// ✅ CORRECT: Cloudflare Workers with security headers
export default {
async fetch(request: Request): Promise<Response> {
const response = await fetch(request);
// Add security headers
const headers = new Headers(response.headers);
headers.set('X-Frame-Options', 'DENY');
headers.set('X-Content-Type-Options', 'nosniff');
headers.set('Referrer-Policy', 'strict-origin-when-cross-origin');
headers.set('Permissions-Policy', 'geolocation=(), microphone=()');
return new Response(response.body, {
status: response.status,
headers
});
}
};
WAF 规则
# Enable Cloudflare WAF managed rules
# - OWASP Core Ruleset
# - Cloudflare Managed Ruleset
# - Rate limiting rules
# - Bot protection
验证步骤
- [ ] WAF已启用并配置OWASP规则
- [ ] 已配置速率限制
- [ ] 机器人防护已激活
- [ ] DDoS防护已启用
- [ ] 安全标头已配置
- [ ] SSL/TLS严格模式已启用
7. 备份与灾难恢复
自动化备份
# ✅ CORRECT: Automated RDS backups
resource "aws_db_instance" "main" {
allocated_storage = 20
engine = "postgres"
backup_retention_period = 30 # 30 days retention
backup_window = "03:00-04:00"
maintenance_window = "mon:04:00-mon:05:00"
enabled_cloudwatch_logs_exports = ["postgresql"]
deletion_protection = true # Prevent accidental deletion
}
验证步骤
- [ ] 已配置自动化每日备份
- [ ] 备份保留期符合合规要求
- [ ] 已启用时间点恢复
- [ ] 每季度执行备份测试
- [ ] 灾难恢复计划已记录
- [ ] RPO和RTO已定义并经过测试
部署前云安全检查清单
在任何生产云部署之前:
- [ ] IAM:未使用根账户,已启用MFA,最小权限策略
- [ ] 密钥:所有密钥都在云密钥管理器中并已配置轮换
- [ ] 网络:安全组受限,无公开数据库
- [ ] 日志记录:已启用CloudWatch/日志记录并配置保留期
- [ ] 监控:为异常情况配置了警报
- [ ] CI/CD:OIDC身份验证,密钥扫描,依赖项审计
- [ ] CDN/WAF:Cloudflare WAF已启用并配置OWASP规则
- [ ] 加密:静态和传输中的数据均已加密
- [ ] 备份:自动化备份并已测试恢复
- [ ] 合规性:满足GDPR/HIPAA要求(如适用)
- [ ] 文档:基础设施已记录,已创建操作手册
- [ ] 事件响应:已制定安全事件计划
常见云安全配置错误
S3 存储桶暴露
# ❌ WRONG: Public bucket
aws s3api put-bucket-acl --bucket my-bucket --acl public-read
# ✅ CORRECT: Private bucket with specific access
aws s3api put-bucket-acl --bucket my-bucket --acl private
aws s3api put-bucket-policy --bucket my-bucket --policy file://policy.json
RDS 公开访问
# ❌ WRONG
resource "aws_db_instance" "bad" {
publicly_accessible = true # NEVER do this!
}
# ✅ CORRECT
resource "aws_db_instance" "good" {
publicly_accessible = false
vpc_security_group_ids = [aws_security_group.db.id]
}
资源
请记住:云配置错误是数据泄露的主要原因。一个暴露的S3存储桶或一个权限过大的IAM策略就可能危及整个基础设施。始终遵循最小权限原则和深度防御策略。