How?

• Mobile app.
• GPS
• Local secret over wifi
• Sniffing:
• MACs
• Use sudo airmon-ng start wlan0
• Calling pcap.pcap() needs sudo as well, this is kinda dangerous.
• Sniffer that works in sudo and use zmq to produce logs in real time in a less privileged environment * Should it be:
  • One sniffer with ether host ({MAC_1} or {MAC2} or ... or {MAC_n})sniffing needs sudo.Many sniffers with one logger vs. one sniffer with one filter and one logger
• "ether host [MAC1]"
• Bluetooth
• Video
• Biometrics
  • ... NOPE!
• Barcode - mobile reader with automatic upload?