Good evening everyone, The seven IT infrastructure domains are critical for secu

Good evening everyone,
The seven IT infrastructure domains are critical for securing an organization’s network and systems. These domains include the User Domain, which includes all users who access the network applications and systems its resources, the Workstation Domain, which includes network access devices, the LAN Domain, which includes local area network infrastructure, the LAN-to-WAN Domain, which connects the LAN the WAN, the WAN Domain, the Remote Access Domain, which covers remote access methods, the System/Application Domain, which includes critical systems including e-mail.
Impose comprehensive access control policies, regular user training, and password complexity policies in various domains to reduce the attack surface. Update and patch systems on a regular basis, limit administrative rights, and use network segmentation and VLANs to restrict access to sensitive areas. Ensure that firewalls and intrusion prevention systems are used to monitor traffic in LAN-to-WAN domains. Use encrypted communications for data in transit and secure WAN device configurations. For remote access, use multi-factor authentication encryptions that all connections are encrypted. Update and patch applications on a regular basis and conduct penetration testing to identify vulnerabilities.
Maintaining system security requires secure authentication, authorization, and accounting. Strong authentication mechanisms, such as multi-factor authentication, are used across all domains, while role-based access control ensures that users have limited access. Audit logs and monitoring tools, for example, track system access and changes for accountability and incident investigation. Integrate intrusion prevention systems and to detect and stop malicious activity, perform regular security assessments and penetration testing to identify vulnerabilities, create a comprehensive incident response plan, and train staff to recognize potential threats and respond appropriately (Alshehri, 2021).
Implementing these strategies across seven IT infrastructure domains can significantly improve an organization’s security posture, reduce attack surface, ensure secure access and accountability, and improve intrusion prevention and response capabilities.
References
Alshehri, A. A. (2021, December 12). What are the seven domains of a typical IT infrastructure? LinkedIn. Retrieved November 22, 2023, from https://www.linkedin.com/pulse/what-seven-domains-…
CISA. (2022, May 11). Protecting Against Cyber Threats to Managed Service Providers and their Customers | CISA. Cybersecurity and Infrastructure Security Agency CISA. Retrieved November 22, 2023, from https://www.cisa.gov/news-events/cybersecurity-adv…
Hanna, K. T. H. (2021, September 24). Attack Surface. TechTarget. Retrieved November 22, 2023, from https://www.techtarget.com/whatis/definition/attac…

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