TL:DR; Create encrypted USB Stick with embedded autoplay module.
Create encrypted USB Sticks. Every encrypted usb stick contains AutoPlay module. You just need to connect the encrypted usb flash drive to the computer and enter password to work with it.
PCTuneUp Free File Encryptor allows you to encrypt any files regardless of file type like audio, video, text, image, etc. to prevent other people accessing it or decrypt files to remove restrictions for anyone to access and share your files.
A free, open source, "on-the-fly" (OTFE) transparent disk encryption program. Using this software, you can create one or more "virtual disks" on your PC - anything written to which will be automatically, and securely, encrypted before being stored
HTML password protect, encrypt HTML files with 384 bit keys. Protect web page or entire website with a password. Encryption algorithm used is much stronger than the 128 bit cipher used in todays browsers. Many additional security options.