Network analysis and forensics is a type of security solution that is designed to analyze and investigate network activity and events, in order to identify and respond to security threats and incidents. It involves the use of tools and techniques to collect, analyze, and report on network data, and can be used to identify patterns and trends that may indicate the presence of a security threat or incident. 

Network analysis and forensics solutions typically involve the use of software and hardware tools to collect and analyze network traffic and logs, as well as the use of specialized techniques, such as packet analysis and log analysis, to extract and interpret data. They may also involve the use of forensic tools and techniques, such as digital forensics, to recover and analyze data from damaged or deleted files. 

Network analysis and forensics solutions are an important part of a comprehensive security strategy, as they can help organizations to identify and respond to security threats and incidents, and to understand the root cause of a security incident. They can be deployed as standalone solutions or as part of a larger security management platform and can be used to protect networks of all sizes, from small business networks to large enterprise networks.