Three codes were hidden in the LIBERATE post on the Investigate Ingress blog.
[1] yfn61ufgfiv551wv
[2] 8n6j8gcnjehzz4a5
[3] ij5riyyxvivvangemi
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
The third row should guide you to the keyword !