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Network security health checklist template

1. Network Configuration

Ensure that firewalls are properly configured and regularly updated.

Verify that all default passwords for network devices have been changed.

Confirm that unnecessary services and ports are disabled.

Check for proper segmentation of the network (e.g., VLANs).

2. Access Control

Review and update user access permissions regularly.

Implement role-based access control (RBAC) for sensitive data.

Ensure multi-factor authentication (MFA) is enabled for all remote access.

Conduct regular audits of user accounts and access logs.

3. Device Security

Ensure that all network devices (routers, switches, etc.) have the latest firmware updates.

Implement strong password policies for all network devices.

Use network monitoring tools to detect unauthorized devices.

Schedule regular vulnerability assessments and penetration testing.

4. Data Protection

Encrypt sensitive data both in transit and at rest.

Implement data loss prevention (DLP) measures.

Regularly back up critical data and test the restoration process.

Ensure compliance with relevant data protection regulations (e.g., GDPR, HIPAA).

5. Incident Response

Have an incident response plan in place and regularly review it.

Conduct regular training and simulations for the incident response team.

Maintain an updated inventory of all critical assets and their vulnerabilities.

Establish clear communication protocols for incident reporting.

6. Employee Training

Provide regular security awareness training for all employees.

Educate staff on recognizing phishing attacks and social engineering tactics.

Encourage a culture of security and reporting suspicious activity.

Review training materials and update them as needed.

7. Monitoring and Logging

Implement centralized logging for all network devices and systems.

Regularly review logs for unusual activity or potential breaches.

Use intrusion detection and prevention systems (IDPS) to monitor network traffic.

Ensure that log retention policies comply with legal requirements.

8. Policy Review

Regularly review and update network security policies and procedures.

Ensure that policies reflect current threats and best practices.

Communicate policy updates to all employees.

Conduct periodic compliance checks against established security standards (e.g., ISO 27001).

9. Third-Party Risk Management

Assess the security posture of third-party vendors and partners.

Implement security requirements for vendors in contracts.

Regularly review third-party access to your network and data.

Conduct audits of third-party compliance with security policies.

10. Physical Security

Ensure that network devices are physically secured in locked locations.

Implement access controls for sensitive areas (e.g., server rooms).

Monitor physical access with surveillance cameras and security personnel.

Conduct regular assessments of physical security measures.

Here are some additional steps you could include in the Physical Security section of your Network Security Health Checklist

Establish visitor management protocols for tracking and monitoring access to sensitive areas

Use security badges or biometric systems to restrict access to authorized personnel only

Conduct background checks on employees and contractors who have access to critical areas

Maintain an inventory of all physical security devices and network equipment

Ensure that all physical security measures are regularly tested for effectiveness

Implement an emergency evacuation plan that includes procedures for securing network devices

Use tamper-evident seals on network devices to detect unauthorized access

Regularly review and update physical security policies and procedures

Train staff on physical security awareness and reporting suspicious activities

Develop a contingency plan for physical security incidents, including theft or vandalism

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