Scan2Encrypt is a Windows program that will allow you to save your PDF documents and images into a secure PDF file. It also has an option to automatically upload the encrypted documents to Dropbox or to send them by email. Since they are encrypted, you know the documents and photos are safe from prying eyes.
Use any scanner or webcam to convert hard copies of your documents and photos into secure PDF files. Scan2Encrypt can merge multiple scans, image files or shots from webcam into one PDF document with ease. The final PDF document will be searchable and encrypted using the latest 256 AES encryption. PDF permission will allow you to keep control over your content even when uploaded to the Internet.
Scan2Encrypt costs $19.95 and includes a license for up to 3 users. Again, it is for Windows only.
Scan2Encrypt may be found at http://www.binarynow.com/products/scan2encrypt/.