For this achievement you need to get all Security badges their are 8 in total to find.
The locations for the security badges are:
Security Badge 1: Daycare - Found before you go up against moon. You cannot skip or miss this badge so their is not much to worry about for this.
For the next badges you can either go to the Prize Counter or The Loading dock.
Security Badge 2 or 3: Prize Counter - To get to the Prize counter you will need to go through El Chips. You will go through a Arcade which Roxy will be patrolling and you want to look for a vent that will take you to the Security office where you can find the badge. You will end up captured by Vanessa and thrown into the Lost and found room. If you did this badge instead of Loading dock you can go to Loading Dock and get the badge at 4am at the earliest.
This badge is if you choose to go the the Loading dock instead of the Prize Counter
Security Badge 2 or 3: Loading Dock - To get to the Loading Dock you will want to go to the vent near Salads and Slides. When you go through the vent you will be chased by dj music man prototype the vent will end in you sliding down. Once you finish the vent you will have to evade Chica to get to the Security office. You will end up captured by Vanessa and thrown into the Lost and found room. If you did this badge instead of Prize Counter you can go to Prize counter and get the badge at 4am at the earliest.
Now this badge does not require a choose for you to do.
Security Badge 4: Backstage - Freddy will send you to Backstage Security office to get the Main stage Disc. The room is up the stairs in Rockstar Row.
Security Badge 5: Parts and Service - In Parts and Service you will need to navigate through the hallways full of Endoskeletons to get to the Security office for the badge.
The last three locations can be done in different orders. But you can only complete two before 6AM. The final location will have to be accessed with the Second Party Pass you will get if you choose to stay at 6AM. You need either Chica or Monty's upgrade to access Roxy's Raceway.
Security Badge 6 or 7: Fazer Blast - You can find the badge in the Fazer Blast Security Office you can go to it and get bonnie bowls Ticket which can be used to defeat Chica. You can do the mini-game to get the Fazer Blaster which is a big help at defeating Chica. Requires a Party Pass. If you choose to go to Fazer Blast you will go against Chica.
Security Badge 6 or 7: Monty Golf - You will find the badge in the Security Office you can also find the Faz Camera and a Mazercize Ticket. Requires a Party Pass. If you choose to go to Monty Golf you will go against Monty.
Security Badge 8: West Arcade - It will be in the Security Office that you use to Repair the Roxy's Raceway Staff Bot head. This area doesn't require a Party Pass to access.