Many people understand the dangers of hackers accessing webcams. A simple fix is to place a sticker over the pinhole camera lens. Perhaps lesser known is the focus of hackers and thieves on wireless cameras used for security. Internet protocol cameras, also called IP or wireless cameras, are often used to monitor homes and small businesses. Nanny cams are usually wireless also. If set up improperly or accessed in an unsecure manner, video data can become open to the public.