Yeah, kismet and/or airscan are pretty much the two go-to tools for wifi security auditing. Kali Linux (can run from a bootable live image) has these two plus

Yeah, kismet and/or airscan are pretty much the two go-to tools for wifi security auditing. Kali Linux (can run from a bootable live image) has these two plus a whole lot more useful tools for doing this kind of thing.