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Wi-Fi Sniffing Slide for 2015 SXSW Interactive Conference

How Wi-Fi Sniffing Works 1. Your phone sends out pings as it searches for a Wi-Fi network to connect to. 2. Wi-Fi sniffing trackers intercept these pings and stores them, building a profile for your phone including how often you visit a location, how long you stay and the times you visit. 3. If you connect to the Wi-Fi network associated with the tracker, even more personal information is collected by the tracker 4. Information collected by the trackers is used by businesses for marketing campaigns, loyalty program and advertising -- Your smartphone is constantly on the lookout for Wi-Fi networks to jo in. When looking for a netwo rk, the phone sends out a digital fingerprint called a "Media Access Control" or MAC address. Wi-Fi sniffers are trackers that listen for these MAC address pings. While MAC add resses are anonymous, the tracker will remember them so the next time you enter a store a tracker will know you've been there befo re. If trackers in multiple stores are using the same system, that system can build a profile of where you go, what time and how often based off of your MAC address. Further privacy issues come in to play when you log in to a Wi-Fi network associated with a tracker. Often the "terms of service" for these networks allow the tracker to collect demographic information associated with your phone like gender, age, and other locations you frequent.

Wi-Fi Sniffing Slide for 2015 SXSW Interactive Conference

shared by helenrod on Aug 03
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This slide is to demonstrate how Wi-Fi sniffing works. This is for an abstract being submitted by CSID for the 2015 SXSW Interactive Conference


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