Three codes could be found in The Message in the Missions post on the Investigate Ingress blog.

[1] m26mkczz426e

[2] ovw78open675sm

[3] cgl23orev557cz

Code #1

Observations

12 characters, you know you are looking for a two letter keyword

Code #2

Observations

Looks like a passcode. Open or ∇

Code #3

Observations

Again, passcode format is there. Try the simple ciphers to get it.