ComSec LLC can detect IMSI catchers / WiFi threats. Read a case study here: https://comsecllc.com/comsec-imsi-catcher-case-study/ Contact us if you're concerned about WiFi threats and need service > 1-800-615-0392.
But researchers in Singapore have demonstrated how attackers using a drone plus a mobile phone could easily intercept documents sent to a seemingly inaccessible Wi-Fi printer. The method they devised is actually intended to help organizations determine cheaply and easily if they have vulnerable open Wi-Fi devices that can be accessed from the sky. But the same technique could also be used by corporate spies intent on economic espionage.
Comments