This document provides guidance on using various Microsoft technologies to secure business information, including Information Rights Management (IRM) to protect documents and emails, Secure/Multipurpose Mail Extensions (S/MIME) to encrypt and digitally sign emails, BitLocker to encrypt drives and removable storage, and Encrypted File System (EFS) to encrypt files and folders. It describes how to configure each technology, such as applying permissions in Outlook and Word to restrict document access and expiration dates. The document aims to help users protect their company's confidential information from unauthorized disclosure.