Security First

Now that I've discovered the "video" on my camera and have a YouTube account, I'm having fun with the new medium, but...

Yes, a big but. I have all these cute mini-movies of my grandchildren and no way to send them other than YouTube, but YouTube isn't really secure. When I post pictures of the grandkids, I try not to make them very recognizable. They're the "bad" pictures according to the artistic standards my parents hammered into me my whole life. Outside of mailing cds, what can I do? The files are too heavy for email.