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Remote Access Domain Security

· Identify common risks, threats, and vulnerabilities found in the LAN-to-WAN Domain that require proper security controls for mitigation

· Identify network and security policies needed to properly secure the LAN-to-WAN portion of the network infrastructure

Write a 2-3 page APA-formatted essay that identifies network and security policies needed to properly secure the LAN-to-WAN portion of the network infrastructure

Written Essay Assi

Remote Access Domain Securitygnment 3-2:

· Identify common risks, threats, and vulnerabilities found in the Remote Access Domain that require proper security controls for mitigation

· Identify network and security policies needed to properly secure the Remote Access Domain portion of the network infrastructure

· Write a 2-3 page APA-formatted essay recommending Remote Access Domain hardening solutions by implementing proper security controls at the Internet ingress/egress point within an IT infrastructure

 

1. What are common risks threats, and vulnerabilities in the LAN-to-WAN domain?,

2. What network and security policies help secure the LAN-to-WAN domain?,

3. What are common risks threats and vulnerabilities in the Remote Access domain?,

4. What security controls should be implemented at the Internet ingress/egress point?,

5. How can the Remote Access domain be hardened for improved security?

Remote Access Domain Security

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Written Essay Assignment 3-1

LAN-to-WAN Domain Security

Introduction

The LAN-to-WAN domain forms a critical part of the IT infrastructure where internal networks interface with external networks like the internet. This boundary is a common target for cyberattacks and requires strong security controls and policies to prevent unauthorized access, data exfiltration, and service disruptions.

Common Risks, Threats, and Vulnerabilities

The LAN-to-WAN domain is exposed to a range of threats including:

• Malware and viruses entering from external sources.

• Denial of Service (DoS) or Distributed Denial of Service (DDoS) attacks that flood network resources.

• Unauthorized access via poorly secured firewalls or open ports.

• Man-in-the-Middle (MitM) attacks, which intercept data between LAN and WAN.

• IP spoofing and routing attacks, leading to misdirection of traffic.

• Data leakage due to insufficient outbound controls.

These threats exploit vulnerabilities such as weak firewall configurations, outdated firmware, lack of intrusion detection systems (IDS), and improper network segmentation.

Network and Security Policies

To mitigate these risks, organizations must establish and enforce strict policies:

1. Firewall Policy

   • All incoming and outgoing traffic must pass through a configured stateful firewall.

   • Only necessary ports and protocols should be allowed.

2. Intrusion Detection/Prevention System (IDS/IPS) Policy

   • Deploy IDS/IPS at the LAN-WAN edge to monitor and block malicious traffic.

3. Access Control Policy

   • Implement Role-Based Access Control (RBAC) and Multi-Factor Authentication (MFA) for administrative interfaces.

   • Block anonymous or unauthorized external access attempts.

4. Patch Management Policy

   • Regular updates for firewall and router firmware.

   • Security patches must be applied promptly.

5. Network Segmentation Policy

   • Use DMZ (demilitarized zones) for public-facing servers.

   • Separate critical systems from general user networks.

6. VPN and Encryption Policy

   • Enforce encrypted communication between LAN and WAN using secure VPN protocols (e.g., IPSec).

   • Apply TLS/SSL for web traffic.

Conclusion

The LAN-to-WAN domain is the gateway between private networks and the internet, making it essential to implement layered security policies. Combining firewalls, IDS/IPS, encryption, and strict access controls ensures resilient and secure network operations.