Malicious hardware devices

Now that many electronic devices are MIC (made in Cxxxx) and that they have a known hacking scene, are we safe from becoming another botnet in the world of crime?


Latest in the line is the iphone charger malware poc.
http://www.macworld.co.uk/ipad-iphone/news/?newsid=3450917


A very cool indepth article on "Plug and Prey: Malicious USB Devices"
http://www.irongeek.com/i.php?page=security/plug-and-prey-malicious-usb-devices


And a very cool device "USB Rubber Ducky"

Next time think twice before plugging in any new devices you buy especially if it looks as cute as the yellow ducky.

Effective range of Wireless Router (dBi) antennas

Have you ever wondered what the antennas specification on wireless router meant ? (3dBi, 4dBi, 5dBi ....... ).

I was shopping for a wireless adapter they tend to have many configuration for antennas.
Amazon Alfa wireless usb adapter

Choose a antenna that meets your requirement.

9dBi dipole (1000m)==> signal far at the same horizontal elevation as the transmission point
7dbi dipole (620m)==> offers an optimal balance between range and elevation.
5dbi dipole (500m)==> over a couple of levels of a building
2dbi dipole (300m)==> If you are in a building and need to cover the rooms around you

More information if you are interested.
http://www.liveport.com/wireless-antenna-properties