While it is easy to set up analog CCTV cameras, there are chances that you could become the watchful eyes of others. Your cameras can be hacked in several ways. For example, lack of elementary features, using default settings, not securing it with a password, and so on. Therefore, always take preventive measures. That always keeps your CCTV in check for it to work properly. You may not necessarily need high preparations for that. If you follow the protocols or the manual, you will be good to go. Also, keeping yourself update with new security features will be a plus for future concerns because hackers try to use new technologies every now and then.