Mod your stats on ps3 play 1 match to make them stick then whilst the ps3 is still on and in a party, switch on your ps4 and load multiplayer your stats should still be there and won't get reset unless there stupidly high like 5 prestige or higher with insane stats.

I was thinking about this and also if your 15th prestige unlock all stats modified high,,medium etc if you go to PS4 when it gets banned on PS3 it wont be banned on PS4 so everything on the account is there just no mods or hacking obvii

If the ban/reset system is same as ghost was which it seems it is, if you mod an account then instantly go over to ps4 and never return to ps3 you should keep your stats. I did this on ghost and the first time I went back ps3 I got kicked mid game and reset then banned a few days later but account still worked on the ps4 but was reset.

Just mod a dummy account on ps3 then play 2 games on ps4 leave it for a few days then return to the account on the ps4 check if stats still there.

Edit: just tested an account that is banned on AW ps3 and it worked fine on my ps4, the stats were reset but the items I recived from supply drops where still there. So I'm guessing if you mod your account but and never return to the ps3 on it you could possible be safe from a reset.

I'll get a couple of accounts set-up with a variety of stats ranging for low, legit and insane like 50+k/d and 1000+w/l. I'll get them to stick on ps4 leave for a few days and post back here, if there fine after that time I'll go on the ps3 with them and see how fast they get reset.