Encrypt PDF software allows you to encrypt (using standard 40-bit or 128-bit supported by Acrobat Reader 5.0 and up) existing PDFs.

Advanced File Shredder securely deletes files or folders on your PC using seven pass US Government standard wiping and cryptographically strong random number key. Files shredded with this eraser software cannot be restored by any data recovery tool.

This is real foler locker exactly! Real Folder Lock is the way to handle these important files,It will Automatic Lock Folders when you close the folder window! And locked folders are strictly forbidden to copy & delete!