OT systems in the manufacturing industry were originally designed to operate in controlled, air-gapped environments, where cyber threats were not a concern. However, digital transformation, automation, and IT/OT convergence have expanded the attack surface, exposing legacy systems and third-party access vulnerabilities. Cyberattacks can disrupt operations, compromise safety, delay supply chains, and trigger regulatory penalties. As manufacturing becomes more digitalized, securing OT environments is essential to maintaining operational continuity and protecting critical assets.