Create An Encrypted DMGShare
People new to computers often confuse file permissions with encryption. Permissions can easily be circumvented. Any user with admin rights on the computer can change the permissions on a file. More importantly, anyone can take the disk and connect it to a different machine and change the permissions.
Encrypted files are different. The only way to access an encrypted file is with the password. Permissions rely on the security of the operating system for protection. Encrypted files have self-contained security, which also makes them portable.
You might want to make a back up of your novel and store it with your web host. But how do you know the web host won’t snoop? Tuck your files into an encrypted DMG before uploading and you’re all set.
When you create a DMG you’re prompted to add the password to your keychain. That would defeat the purpose of the DMG in most cases. Chances are you’re encrypting files that aren’t going to be on your computer anyway. If they are going to remain on your computer consider leaving the password off the keychain to greatly enhance the security.
You could encrypt your entire home folder with Fire Vault, but that seems like a big step for most people. If something goes wrong or you can’t come up with the password you’ll be locked out of your own data, along with everyone else. Murphy only encrpyts files that are truly sensitive. Locking everything down doesn’t make sense.
When you’re done working with your volume eject it, don’t just close the window. Once ejected the volume requires the password for access. When you want to store the file elsewhere just copy the DMG file, not the volume.Watch Now | Permalink