I wanted to open up a discussion for side-channel attacks. What does everybody think of them? How big of a risk do you think they pose?
For those unfamiliar, here are a few examples:
Timing Analysis of Keystrokes and Timing Attacks on SSH
Side-Channel Leaks in Web Applications: a Reality Today, a Challenge Tomorrow
The Mathematics of Side-Channel Attacks (video)
Please read the papers if you're not familiar with side-channel attack and then comment. This is kind of a new idea at SX, but I think having discussions on various aspects of hacking/security is important
If there is enough interest, I will dig up and post some more papers on the topic - such as recovering speech from Skype despite it being encrypted