OPPORTUNITY

Three codes could be found in the OPPORTUNITY post on the Investigate Ingress blog.

[1] 1rrx0oeksauu3g1s

[2] 8ctyvnre00158s2w

[3] 13ndhbz21xd2205za23oye1921A

Code #1

Observations

Passcode format is there, go through your usual cipher routine

Code #2

Observations

Kind of a bizarre one but think roman

Code #3

Observations

You have numbers, lower and upper case letters. Just need a bit of tweaking