This report focuses on the development and implementation of Public Key Infrastructure (PKI) and encryption solutions to protect data and information. It outlines the steps involved in PKI deployment, including the use of offline root CA, the creation of authority information access and certification revocation lists, and the deployment of an enterprise subordinate CA. The report also discusses the essential components of a PKI environment, such as the certification authority, registration authority, certificate database, certificate store, and key archival server. Furthermore, it highlights the importance of disaster recovery plans, data backup, and application resilience. It emphasizes the need for security policies, intellectual property laws, and encryption mechanisms to ensure data confidentiality. The report also mentions the role of the chief security officer, information asset protection, and legislative and regulatory laws. Finally, it touches upon the use of Active Directory Certificate Services and PKI architecture in securing network activities, including internet banking, e-commerce, and confidential emails.