Policy Network Security

Created by Venkat Pothamsetty, Modified on Sat, 11 Oct at 8:33 AM by Venkat Pothamsetty

Network Policy

Purpose
This policy establishes requirements and guidelines for network security and access control within the organization’s cloud and IT infrastructure. It aims to ensure secure network configuration, proper segmentation, and controlled access to resources.

Scope
This policy applies to all network components and configurations within the organization’s cloud environment, including virtual networks, security groups, and network access controls.

Policy Owner
The DevOps/Security team owns this policy and is responsible for its maintenance and enforcement.

Network Security Requirements

Security Groups / Firewall Rules

Restrict inbound SSH (port 22) access to authorized IP ranges only.
Limit TCP and UDP access to required ports and authorized sources.
Document all security group/firewall rules and justifications.
Regular review and cleanup of unused rules.

Network Configuration

Internet gateways or equivalents must only be attached to authorized networks.
Proper subnet configuration for public/private resources.
Network ACLs/firewall rules to provide additional security controls.
Regular audit of network configurations.

Network Access Control

Public IP addresses must be associated only with approved compute instances or interfaces.
Implement least privilege access principles.
Monitor and log all network traffic.
Regular review of network access patterns.

Compliance Requirements

Regular network security assessments.
Documentation of network controls.
Periodic review of security configurations.
Validation of compliance requirements.

Network Monitoring

Traffic Monitoring

Network flow logs must be enabled.
Regular review of network traffic patterns.
Alerts must be configured for suspicious activities.
Documentation of monitoring procedures.

Security Controls

Regular testing of security controls.
Validation of access restrictions.
Audit of firewall/security group configurations.
Review of network segmentation.

Documentation Requirements

Network architecture diagrams.
Security group/firewall configurations.
Access control lists.
Monitoring and alert settings.
Incident response procedures.

Review Cycle
This policy will be reviewed annually and updated based on security requirements and industry best practices.