Network & Security Standards

Comprehensive security best practices and network architecture guidelines for cloud platforms

Virtual Network Architecture
Best practices for VPC/VNet design across providers

Network Segmentation

Public Subnet

Load balancers, NAT gateways, bastion hosts

Internet-facing

Private Subnet

Application servers, container workloads

Internal only

Data Subnet

Databases, caches, sensitive data stores

Highly restricted

Provider-Specific Network Services

AWS

  • VPC: Isolated virtual networks
  • Security Groups: Stateful firewalls
  • Network ACLs: Stateless subnet-level rules
  • AWS PrivateLink: Private connectivity to services
  • Transit Gateway: Connect multiple VPCs

Azure

  • VNet: Virtual networks
  • NSG: Network security groups
  • ASG: Application security groups
  • Private Link: Private service access
  • Virtual WAN: Global network connectivity

GCP

  • VPC: Global virtual networks
  • Firewall Rules: Stateful instance-level rules
  • VPC Service Controls: Perimeter security
  • Private Service Connect: Private connectivity
  • Cloud Interconnect: Dedicated connections