Conducted comprehensive Cyber Risk Assessments in the oil and gas sector, focusing on identifying vulnerabilities and potential threats to digital assets. Analyzed existing risks to cyberspace in oil and gas refineries, employing industry standards to evaluate security posture. Developed a detailed report highlighting key findings, including:-> Analysis of Risks in Legacy Systems: Assessed security vulnerabilities in critical components such as PLCs, SCADA systems, ICS, and network infrastructures.-> Examination of Life Cycle Management: Reviewed practices for managing hardware and software security throughout their life cycles, pinpointing areas for improvement.-> Recommendations & Solutions: Offered actionable recommendations to enhance cybersecurity measures, including risk mitigation strategies, legacy system upgrades, and best practices for security management.