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Old 07-01-2007, 06:05 AM   #1
Countryfolks
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RFID_

I was browsing a computer magazine the other day while waiting for our truck and ran across an article on RFID chips. This is a chip embedded in many new credit cards, touch and go cards, key cards, entry badges, and the new US passport and contain many different kinds of personal/financial/medical information. They are a passive radio frequency chip activated by a extraneous reader and can be hacked and read up to 30 feet away, maybe more. Most of them transmit their information in the clear or with weak encryption. The article was directed at shielding these items when they are not in active use by the owner. There are wallets available now that have been designed to shield these cards and reduce or eliminate the risk of having personal information skimmed and used in cloned cards. For those interested, Google rfid hack, rfid wallet, or other pertinent phrase.

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Old 07-01-2007, 01:20 PM   #2
Wifeofdano
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Nothing will be private anymore before long.
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Old 07-01-2007, 01:42 PM   #3
sreigle
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Is there a telltale sign on the card to know which have this chip?
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Old 07-01-2007, 02:54 PM   #4
Countryfolks
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Steve;
I've found only 2-3 ways to identify these cards so far:
1- Ask the issuer.
2- You only have to tap it against or pass it [not swipe it through a slot] near a reader.
3. The card may not have a magnetic strip.

I believe one of the major gas companies [Mobile] has a tap and go payment option at the pump. There are probably others. Seems a lot of the card companies are looking at it. Google tap and go or other similar terms.

There has been a ad [Visa I think]on TV showing a line of folks buying coffee and just touching their card against a reader except for one guy paying with cash. That is one of the [credit] cards.

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Old 07-01-2007, 07:28 PM   #5
skypilot
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Various specifications out there for RFID but most that are coming out for credit/debit cards and the like are very short range, usually within six to 12 inches. No real need to 'tap' it, it just has to be within range; We demo'd some for the University last fall and the tapping was actually hitting the screen to tell it to pay using cc or debit; that activated the scanner which then read the card. If there were two cards within range, they both got scanned!!! Vendor sales man said that in the 'real world' that wouldn't happen -- we were too skeptical so haven't gone with them as yet. Our cards currently don't use RFID, they use small chips instead -- these look like small gold foil devices on the card. They have to be physically put into the reader to be used. However, RFID is being looked at again this fall - door passes; payment tool for dining by the students, library book checkout (even getting copies from the copiers or printers if the student has used up all their 'free' copies). The belief is that they are more efficient than the mechanical readers used on the foil chips.

Walmart and several other major retailers are looking at, and using in large scale, RFID for their stores; read about one in KC and another in Chicago that are testing RFID on all items and the basket is the reader; you put the item into the basket, the rfid chip which is on/in each item is then read; when you arrive at the check-outs to leave, you go to your 'own' isle where all you have to do is pay because everything you have has already been scanned (by you when you put it in the basket). Questions on clothing (ACLU being blamed for this cmt) though in that the RFID tag is supposed to be unique to that store; how do you know?, and if it is not, then retailers (or whomever) can monitor every place you go by virtue of the tag. You think you are walking through those exit 'gates' that detect tags that haven't been demagnetized -- but in reality you have been tagged as going into that store. Have those things in other locations and they can follow you as you shop. ACLU and academia are having a field day with the what-if scenarios and Big Brother. Will be interesting to see how that washes out (no pun intended). Again, on the platform, sorry.
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Old 07-02-2007, 08:46 AM   #6
Countryfolks
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I can't see any advantage of the cards vs a swiped card, at least you're no exposing personal data via radio with the mag stripe card.

Vis the WM basket reader. When you remove a product from the basket?

Can you imagine the havoc at a computer tech school that used these cards.

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