The iShield HSM by Swissbit is an innovative hardware security module designed to protect IoT devices by storing security keys securely, thus providing robust device authentication and registration. This plug-and-play security anchor can seamlessly retrofit existing AWS IoT Greengrass devices, offering an essential upgrade for field-deployed systems. The iShield HSM ensures that device encryption keys are stored securely, preventing unauthorized duplication and enhancing overall system security through reliable hardware-based protection.