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OT: Anybody else use NFC on their phones?

  • I love this stuff. Found it really useful when I workout or go for a run and want to stop and get a drink. Carrying one less thing is always good. Also while it is not quite mature, the tiles concept is useful in spurts. My newest enjoyment, however, has been watching the faces of McDonald's employees (two kids - it is an unfortunate part of my world) as you pay for your food with your phone

  • Gigem247

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    Explain please.. I know what NFC is but how practical is it

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  • Well I find it quite useful in the workout scenario specifically. I utilize Google wallet to make my phone a wallet. Since my phone is already my mp3 player as well it has become the only thing I need to carry to workout. You cannot use it everywhere but the list of retailers that you can use it is much larger than you realize.

    Now in other environments it is good but needs more work. I'll give you an example. I use Bluetooth at home as well as my car. So when I come home I drop my phone, keys etc by the garage door and my home phone acts as a Bluetooth headset for my cell. However for some reason this connection only happens automatically about 50% of the time. So I have to go to either my home phone or cell and manually set the connection. With the NFC tiles, I just tap my phone to it when I come home and it forces the connection. But I also like to turn off my data and just have WiFi. That requires a separate NFC tile - one command per tile (hence the immaturity). The tiles are small, super easy to set up and they are also reprogrammable. So whatever inconvenience there is with that limitation is far outweighed, but you just know it could be better. I also use these tiles in my car, to automatically stream my music player via Bluetooth in my car. I think that was unnecessary as my car pretty much does this automatically, so I may reprogram it for launching Pandora. Anyway I find they are super useful and practical but still a work in progress

    This post has been edited 2 times, most recently by Outlaw 15 months ago

  • NFC is good, but I would be careful in using it. Especially make sure that the auto-connect to new sources feature (its is called a different option based on each phone) is turned off. If it is turned on and you happen to run across someone acting maliciously they can take over your phone without you even realizing it.

    Just take some pre-cautions with it and you should be fine.

    Edit: the video below is a little long but explains just some of the stuff that can be done. This is also why I will never EVER get a credit card with NFC because all the information on the card can be stolen except the CV2 without you ever knowing.

    DEFCON 20: NFC Hacking: The Easy Way

    Speaker: EDDIE LEE SENIOR SECURITY RESEARCHER, BLACKWING INTELLIGENCE

    Until now, getting into NFC/RFID hacking required enthusiasts to buy special hardware and learn about the underlying transfer protocols. No longer! NFCProxy is a new tool (being released at DEF CON 20) that allows you to proxy RFID transactions using Android phones. NFCProxy can record and replay RFID transactions from the perspective of the tag or the PCD (proximity coupling device). NFCProxy is an open source tool/framework that can be used to analyze 13.56?MHz RFID protocols and launch replay (and potentially man in the middle) attacks. You can even use NFCProxy as a virtual wallet by storing previously scanned RFID enabled credit cards and replaying them later at a POS (point of sale) terminal. No fancy equipment needed…just two NFC capable Android phones running ICS (one with a custom rom). Owning RFID enabled credit cards just got easier!

    Eddie Lee is a security researcher at Blackwing Intelligence. He specializes in application security, but is an enthusiast of all things related to security. From exploiting buffer overflows to building robots to messing with RFID, he just likes to figure out how things work (and how they break). Before Blackwing, Eddie was a member of the Security Research Group at Fortify software where he helped develop methods to detect vulnerabilities and attacks through static analysis and runtime analysis.

    Eddie has previously spoken at DEF CON and is a core member of Digital Revelation -- a two-time DEF CON CTF 1st place team

    For more information visit: http://bit.ly/defcon20_information
    To download the video visit: http://bit.ly/defcon20_videos
    Playlist DEFCON 20: http://bit.ly/defcon20_playlist

    http://www.youtube.com/watch?v=7ElZBI9PufY

    This post was edited by freernnur5 15 months ago

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