What about security in OneCalendar?

This page will give an overview of OneCalendar security.


Google
Authentication OAuth 2.0
Connection / transport HTTPS (https://www.googleapis.com/)
Password storage No passwords are stored/used in the application, OneCalendar receives a token which is stored encrypted on your device. The token can be revoked at any time.

Microsoft accounts: Outlook.com, Office 365, Hotmail, Live
Authentication OAuth 2.0
Connection / transport HTTPS (https://outlook.office.com/api)
Password storage No passwords are stored/used in the application, OneCalendar receives a token which is stored encrypted on your device. The token can be revoked at any time.

iCloud
Authentication Application specific password
Connection / transport HTTPS
Password storage Application specific password stored encrypted on your device.

Exchange
Authentication NTLM / BASIC
Connection / transport HTTP(S) depending on Exchange server
Password storage Stored encrypted on your device.