Three codes could be found in the Hank Johnson: Surveillance in the XM Era post on the Investigate Ingress blog.
[1] j7itr2s4an6dwmou7e
[2] fft80oeksau088qq
[3] cijifhhfgfdiaifghgjgeidhhhjgffafdfgibh
Code #1
Observations
18 characters with the right amount of numbers for a passcode. Same old cipher
Code #2
Observations
Passcode format is there, a dash of a certain cipher will help you
Code #3
Observations
All letters in the range of A to J, count them.