This technical course provides the knowledge needed to design, implement, and maintain a secure IT infrastructure. It focuses on hardening network components, protecting servers, and ensuring the resilience of the hardware and software that support business operations.

Course Objectives:

• Secure network devices (Routers, Switches, Firewalls).
• Implement secure network protocols and segmentation.
• Hardening Operating Systems (Windows, Linux).
• Manage Virtualization and Container Security.
• Perform network security audits and vulnerability scans.

Target Audience:

• Network Administrators and Engineers.
• Systems Administrators.
• IT Infrastructure Managers.

Course Outline:

Day 1: Network Security Fundamentals

• The OSI Model and Security at Each Layer.
• Securing IP Communications (IPSec, SSL/TLS).
• Network Segmentation and VLAN Security.
• Hardening Network Devices (Switches, Routers).

Day 2: Server and OS Hardening

• Secure Configuration Baselines for Windows and Linux.
• Patch Management and Vulnerability Remediation.
• Securing Active Directory and Group Policies.
• File System Security and Permissions.

Day 3: Infrastructure Protection Technologies

• Next-Generation Firewalls (NGFW) and Proxy Servers.
• Virtual Private Networks (VPN) and Remote Access Security.
• Wireless Network Security (WPA3).
• Endpoint Protection and EDR Solutions.

Day 4: Virtualization and Modern Infrastructure

• Securing Virtualized Environments (VMware, Hyper-V).
• Container Security (Docker, Kubernetes) Basics.
• Software-Defined Networking (SDN) Security.
• Physical Security and Data Center Protection.

Day 5: Maintenance and Continuous Security

• Network Monitoring and Log Analysis (SIEM).
• Vulnerability Assessment Tools and Techniques.
• Developing Backup and Recovery Strategies.
• Practical Session: Hardening an Enterprise Network.