Yes, your online file storage space is secure. To access files that you've uploaded to Online Storage. You must use https:// rather than just http://. This means that you're using SSL (Secure Socket Layer), which is a security protocol that provides privacy over the Internet. This protocol allows you to communicate in a way that cannot be eavesdropped or tampered with.
*Please note: Your online file storage can only be accessed using your Comcast.net username and password.