Introduction:
Analyzing the IT infrastructure of a company in a case study requires a systematic approach to understand the organization's technological capabilities, identify potential issues, and propose suitable improvements. This process involves several techniques that help in assessing various aspects of the IT infrastructure.

1. Data Collection:
The initial step is to gather relevant data about the company's IT infrastructure. This can be done through interviews with key personnel, reviewing documentation, and assessing existing systems. The collected data should include information on hardware, software, network infrastructure, security measures, and IT policies.

2. Assessing Hardware and Software:
Analyzing the hardware and software components of the IT infrastructure is crucial for understanding the company's technological capabilities. This includes evaluating the performance, compatibility, and maintenance of servers, workstations, storage devices, and other hardware components. Similarly, the assessment of software involves analyzing the operating systems, databases, applications, and their versions.

3. Network Infrastructure Evaluation:
The network infrastructure evaluation focuses on understanding the company's network architecture, connectivity, and bandwidth. This includes assessing the network topology, routers, switches, firewalls, and wireless infrastructure. The analysis should also cover network security measures like intrusion detection systems, virtual private networks, and network monitoring tools.

4. Security Assessment:
Analyzing the security measures of the IT infrastructure is crucial to identify vulnerabilities and mitigate potential risks. This involves assessing the company's data protection mechanisms, access controls, encryption protocols, and disaster recovery plans. Additionally, a thorough examination of security policies, employee awareness, and incident response procedures should be conducted.

5. Performance and Scalability Analysis:
Evaluating the performance and scalability of the IT infrastructure helps in determining whether it can meet the company's present and future requirements. This analysis includes assessing factors like response times, system availability, capacity planning, and scalability options. It also involves identifying potential bottlenecks and proposing enhancements to improve overall performance.

6. Alignment with Business Goals:
Lastly, the analysis should consider the alignment of the IT infrastructure with the company's business goals. This involves assessing how IT resources are utilized to support business processes, enhance productivity, and drive innovation. The analysis should identify any gaps between the existing infrastructure and the desired business outcomes.

Conclusion:
Analyzing the IT infrastructure of a company in a case study requires a comprehensive approach that covers data collection, hardware and software assessment, network infrastructure evaluation, security assessment, performance and scalability analysis, and alignment with business goals. By systematically examining these aspects, an accurate assessment of the company's IT infrastructure can be made, and suitable recommendations for improvement can be proposed.