For example, it has Privacy Guard by default, does not send any info to the mothership, gives you the control over your device, etc: https://wiki.cyanogenmod.org/w/Why_Mod%3F.

Another small discussion saying it fits for privacy-oriented users:

https://forum.cyanogenmod.org/topic/28109-cyanogenmod-from-a...

Thanks. I didn't see anything on their website to say they are focused on increasing security but maybe its not one of their main goals. I'll read into the links you posted. Cheers.