That font-size: 2px hint usually means to either make a 2 by x grid or could also mean Rot+2 which would bring those numbers to a valid format. Let’s try that.

6far7ccu4m2g

We now need a substitution for CC. Knowing the different characters in the Ingress story, CC could very well be Carrie Campbell. Both are valid keywords, Carrie gave the valid passcode.

6far7carrieu4m2g

After trying Atbash, ROT, Vigenere, Transposition, Morse, Playfair and a few other cipher to code #2 I got nothing. I then noticed that the Atbash of code #2 gave code #3. Can’t be coincidence.

First step: Atbash

neilzdonzitwhdkgtnhinrvpvs

Skip of 2

nizozthkthnvveldniwdgnirps

It’s hard to see at first glance but there is a code is there. Let’s split it to make it easier

ni zoz th k th n v v eldniwd gnirps

Let’s changes those to numbers, V is roman numeral for 5 and let’s reverse that last part for the keyword

9zoz3k3n5v spring dwindle

Looking up spring dwindle on wikipedia gave Colony Collapse Disorder

9zoz3collapsek3n5v