Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
DataHelp PST to Office 365 - DataHelp PST to Office 365 migration tool will help you to migrate Outlook to Office 365 cloud platform. This software will migrate entire data emails, contacts, calendars, tasks, etc.. from PST to Office 365 account.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
SysKit Security Manager - Meet your Office 365 security ally!
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
Regain PST to Office365 Migration - This tool allow user to migrate Outlook PST file to Office 365 Account including with all folders. Use Free trial version to check software working and its capability.