This report examines a case study involving Mr. John, an IT professional who violated intellectual property rights and professional conduct by incorporating another company's and a colleague's code into his software without proper authorization. The analysis, based on the ACS Code of Ethics and Chris Macdonald's methodology, identifies violations of public interest, honesty, competence, and professionalism. The report recommends that John should have sought deadline extensions and professional assistance, and emphasizes the importance of ethical practices in maintaining a company's and individual's professional image. It references relevant ACS documents and Australian legislation, concluding with the need for employees to understand the potential legal consequences of ethical breaches.