If you don't know about it yet, Google discovered a problem with their split-testing control scripts. The problem allows outsiders to "tamper" with your pages, whatever that means. The details Google has provided are vague.
A couple days ago, one of my clients called me in a panic. Her sales page had practically disappeared. Only the top few paragraphs were displaying. I don't know if it was caused by this particular problem or not. I went ahead and updated her control script. Everything worked fine after that.
Google is very concerned about the problem. So concerned that they just called me. They asked if I'd received the emails, notices, etc. and if I had any questions. I told them I was aware of the problem and had already updated some pages, but not all of them.
You see, this problem apparently affects all tests, no matter if they are currently running, paused, stopped, or completed. Every single control script on every split-test you've ever run has to be updated. Talk about a pain in the butt. I'm just glad I don't have that many tests to update. I suppose this is one more reason to use privately installed split-testing software like MuVar.
By the way, three of the Glyphius/MuVar packages I offered a week ago have been purchased. I have six of them left. If you're interested, you can read about the special half-price offer here.