In today’s interconnected world, Product Lifecycle Management (PLM) faces significant security challenges, particularly in terms of ensuring the integrity, authenticity, and confidentiality of data throughout the product lifecycle. Public Key Infrastructure (PKI) has emerged as a critical technology for addressing these security concerns and enabling secure communication, authentication, and data protection across various stages of the product lifecycle. This white paper explores the integration of PKI into the PLM process. As businesses increasingly rely on digital platforms for product development, manufacturing, and distribution, ensuring the security and integrity of product data becomes paramount.