1

Yet another Big Brother

(the infrastructure behind location-based services)

2

Whoami

3

Location-based services?

4

5

6

7

8

9

How does it work?

GPS

Antennas

Wifi

10

Skyhook

11Source: http://www.skyhookwireless.com/howitworks/

12Source: http://www.skyhookwireless.com/howitworks/

13Source: http://www.skyhookwireless.com/howitworks/

14Source: http://www.skyhookwireless.com/howitworks/

15Source: http://www.skyhookwireless.com/howitworks/

16Source: http://www.skyhookwireless.com/howitworks/

17

Google

18

19

20

21

22

Privacy issues

23

Is your wifi hotspot personal data?

24

Who monitors the location provider?

25

Is the client MAC address personal data

26

Lessons Learned

27

Privacy <> security

28

Not encrypted <> Public

29

Personal Data <>

Personally Identifiable Data

30

Data can be (and will become increasingly)

a liability

31

Resources

• http://epic.org/privacy/streetview/• http://googlepolicyeurope.blogspot.com/20

10/04/data-collected-by-google-cars.html• http://googleblog.blogspot.com/2010/05/wi

fi-data-collection-update.html• http://edri.org • http://www.skyhookwireless.com/

32

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