Three codes were hidden in the A NEW PANDORA’S BOX post on the Investigate Ingress blog.
[1] 7upd4zkzigf7t7q
[2] 2t73wsuh3etpgasz
[3] xruqban5pmiz36t4
Code #1
Observations
Passcode format is there, go through your usual cipher routine
Code #2
Observations
16 characters with the right amount of numbers for a valid passcode
Code #3
Observations
Again, over used cipher