Can I detect a spy camera with my mobile phone? The short answer is that you will not find a well hidden camera or microphone with your mobile phone. Cameras and microphones are passive devices and do not in themselves produce anything that can be detected.
If they are wireless devices with built in transmitters, a signal may be detected, but only if they are using Bluetooth or WiFi that is used by your standard phone.
A signal may be present, but it’s exact location and purpose will be very hard to pinpoint with a consumer grade smartphone. This the job of specialist detectors and equipment.
That being said, they are very useful in locating infrared (IR) illumination used by many surveillance systems. The imaging sensor in almost all phone cameras will detect IR and makes it easy to spot. All you need to do is scan around the area with your phone, and bingo, any IR will show up as a bright point source that your eyes cannot see. This is almost guaranteed to be part of a surveillance system.
Another less nefarious use for this is to check if the batteries in a standard remote control are working. Just point the remote at the camera lens on your phone and press any of the buttons. If the remote is working, you will see the IR LED on the remote light up very brightly on the phone display. You can’t see it with your naked eyes, but the CCD sensor in the phone’s camera will show it very clearly.
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Detect Devices Using Arp Scan
The job of the ARP protocol is to map IPs to MAC addresses. It provides a method for hosts on a LAN to communicate without knowing any address and create a cache of information. When a new computer enters the LAN, it receives an IP and updates its ARP cache with the Gateway information.
Arping is a computer software tool that is used to discover hosts on a computer network. The program tests whether a given IP address is in use on the local network, and can get additional information about the device using that address.
Arping operates work at the layer 2 (or the link layer of the OSI model) using the Address Resolution Protocol (ARP) for probing hosts. Since ARP is non-routable, this only works for the local network.
However, in networks employing repeaters that use proxy ARP, the ARP response may be coming from such proxy hosts and not from the probed target.
A detailed tutorial on Arp scan to detect available device and to show more information about the device would be posted soon, subscribe not to miss out.