Summary
The chapter outlines the importance of robust network security in organizations, focusing on multi-layered strategies involving firewalls, ACLs, IDS, IPS, and SIEM systems. It emphasizes the need for securing critical servers, such as domain controllers and SQL servers, and discusses the security measures for mail servers, video conference applications, and cloud storage solutions. The chapter also highlights the necessity of securing hosts with endpoint security solutions and MFA to protect against malware and unauthorized access.
The chapter also discussed various cloud models (public, private, community, and hybrid) and services (IaaS, SaaS, PaaS, SECaaS, and XaaS), emphasizing their security implications, especially in wireless and cloud environments. It covers advanced concepts such as IaC, serverless computing, microservices architecture, and network infrastructure, including the OSI model. The discussion extends to specialized systems such as SCADA and RTOS, and their...