We have numerous brackets for mounting security cameras indoors and outdoors. Depending on your preference there are thermoplastic, alloy metal and enamel powder coated types available. You can select a simple CCTV brackets for home surveillance systems if you're limited for funds. However for installation of IP security cameras you should be looking at brackets that conceal the wires if tampering of system is accessible to thieves and the weather. For cameras mounted high on walls covered with eaves it isn't crucial other than aesthetically.
Warning stickers for CCTV systems and alarm systems is a great deterrent also. We have stickers for inside and outside window glass panes.
Brackets available www.cits.net.au/cctv-mounting-brackets