Encryption plays a pivotal role in ensuring the security of data in the context of IoT in manufacturing. With sensitive information being transmitted across various devices and networks, encryption provides a layer of protection that prevents unauthorized access and tampering. By encrypting data, it becomes scrambled and unreadable to anyone without the authorized decryption key. This means that even if an unauthorized party intercepts the data, they will be unable to decipher its contents. Encryption provides peace of mind for manufacturers, as it safeguards critical information such as intellectual property, trade secrets, and customer data from falling into the wrong hands. It is a fundamental component of a comprehensive security strategy, fortifying the integrity and confidentiality of data in the manufacturing IoT ecosystem.