The DIY drone that tracks your devices just about anywhere

The researchers behind an earlier version of Snoopy that tracked only Wi-Fi signals have already used it to track more than 42,000 unique devices during a single 14-hour experiment in 2012 at the King’s Cross train station in London. They have also unleashed Snoopy in a variety of other environments over the past two years, including at several security conferences. By taking careful notice of the Wi-Fi networks the devices have previously accessed (and continue to search for), the researchers were able to detect likely relationships among users. Four devices that hailed an SSID that the researchers geolocated to a London branch of one of the UK’s largest banks, for instance, were presumed to belong to coworkers of the financial institution.

via Meet Snoopy: The DIY drone that tracks your devices just about anywhere | Ars Technica.

This is why devices should default to wifi being off and only turned on when a user wants to use a public wifi.  Devices with wifi on will try and get an IP address via DHCP from any open wifi or wifi with a well known SSID — which can be spoofed by anyone.  This usually isn’t a problem.  The most they get is the layer 2 MAC address of the device which is unique.  This could be put into a database and used for tracking.

Sometimes devices will spill IP addresses through ARP requests  on networks they think they are still on and this can be problematic.

USB adaptors & DIY antenna = “Poor Man’s WiFi” ?

Make 2.4GHz parabolic mesh dishes from cheap but sturdy Chinese cookware scoops & a USB WiFi adaptor! The largest so called “WIFRY”,”WOKFI” or “WOKTENNA” (12″= 300mm diam) shows 12-15dB gain (enough for a LOS range extension to 3-5km),costs ~US$5 & comes with a user friendly bamboo handle that suits WLAN fieldwork- if you can handle the curious stares! Neater boutique versions may better appeal indoors. NB-unless you use more powerful USB adapters (such as ALFA & Senao offerings mentioned below),weak USB adapter output power may mean you now hear more stronger APs than you can link back to

via.  USB adaptors & DIY antenna = “Poor Man’s WiFi” ?

Dirt Simple Wi-Fi Signal Booster for Free

Dirt Simple Wi-Fi Signal Booster for Free | Hack N Mod.

You can make this wi-fi parabolic antenna for your router without breaking a sweat.

  • Manila file folders
  • EZ-12 Templates for the antenna from
  • Adhesive
  • Aluminum foil

The parabolic antenna is nothing but a focusing device cut out from the stiff manila folder and backed by a layer of aluminum foil on the back for the reflective surface. The exact cutting pattern is aided by the EZ-12 template.

Click here for templates.

How To Build A Low Cost SAN

In today’s world there is a obvious need of information sharing in every department and network storage can help us to achieve this most growing challenge. Here in this article we are focusing our concentration to make a San which has following features:

  • Low cost and easily affordable
  • Ensured Scalability
  • High Reliability
  • Easily Manageable
  • High Performance
  • Ensured Security
  • High availability

via How To Build A Low Cost SAN | HowtoForge – Linux Howtos and Tutorials.