This report provides an overview of healthcare networks, emphasizing the networking technologies used within the healthcare industry for storing patient medical history and administrative data. It highlights the recent developments in healthcare networks, such as improved patient satisfaction, easy access to medical history for doctors, and enhanced inter-departmental communication. The report underscores the importance of security in these networks due to tax frauds, identity theft, cyber attacks, and critical medical data breaches. Key threats include confidential data theft, sophisticated cyber criminals, and misuse of data by internal employees, with mitigation techniques such as audit trails and sophisticated encrypted devices proposed to counter data exfiltration. The report concludes by referencing various sources related to fraud detection and security in healthcare networks and communication methods.