I'm a complete noob so I don't know anything about computers.
I read that with sniffer programs people can easily steal usernames and passwords when you're using public wifi. But what about images and video? How and how easily could someone see/capture things like:
Skype Video Call
Skype Video Snapshots
An image file sent through Skype
Images on the harddrive, showing on the screen
...if you did them on public wifi?
Thanks in advance everyone.