In a rapid digital world, organizations face a growing selection of cyber security risk that jeopardizes the data and the system's privacy, integrity and accessibility. From ransomware attacks to fractures of data and weaknesses in the supply chain, cyber threats have become more sophisticated and harmful. This report presents examples of the real world of cyber security incidents between 2023 and 2025, which affects large organizations in different fields. By analyzing the type of risk, its source, affected property, weaknesses and effects, the purpose of the report is to emphasize the importance of strong safety measures and the need for continuous risk assessment and molding strategies.