Hi! I'd like to suggest that an entire notebook could be either encrypted or password protected (aside from the log-in or passcode to get into the app). I use Evernote for work and for personal. I like to keep a daily journal of personal thoughts and I'd love to do this in Evernote, but I've been relying on other password-protected apps. I like to leave my Evernote logged in, but that lack of security just worries me for keeping my personal journal entries in their own notebook.