Every time I feel that the Secret World is old news, and I really should buy GW2 now, TSW comes up with something new.
The Secret War ended yesterday, but, as you could see from the video that was left behind on the site, a new mission began. The first hint is in the video..
I'll not spoil the fun. Just a caveat: Do not give up until you are told that you passed the test. It took me about 20 minutes to get there.
I wish you good luck and sharp eyes.