All technological notes.
AWS Firewall ManagerAWS OrganizationSecurity policy: common set of security rules
WAF rules (Application Load Balancer, API Gateways, CloudFront)Shield Advanced (ALB, CLB, NLB, Elastic IP, CloudFront)Security Groups for EC2, Application Load BAlancer and ENI resources in VPCNetwork Firewall (VPC Level)Route 53 Resolver DNS FirewallRules are applied to new resources as they are created (good for compliance) across all and future accounts in your Organization
WAF rules, AWS Shield Advanced protection, security groups, AWS Network Firewall rules, and Amazon Route 53 Resolver DNS Firewall rules.