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USA EMV cards: Availability, Q&A (Chip & PIN -or- Chip & Signature) [2012-2015]

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Old Sep 20, 2013, 11:40 am
FlyerTalk Forums Expert How-Tos and Guides
Last edit by: philemer
Posts from 1/1/16 onward can be found here: http://www.flyertalk.com/forum/credit-card-programs/1739359-2016-onward-usa-emv-cards-availability-q-chip-pin-signature.html

EMV wikipost volunteers: kebosabi

What is EMV?
EMV is a defacto global standard of technology where there is a visible microchip on the front of the card. It looks like this:

Who issues them?
See Google Docs spreadsheet in Post #1

SFOAMS also has created a list of excellent webpage that shows US EMV cards in a more interactive interface

Another site, which lets you narrow the search for an EMV card by various parameters, is http://www.spotterswiki.com/emv/index.php.

Several credit unions issue some form of Chip-and-PIN credit cards or prepaid cards. Prepaid EMV cards however are not recommended due to junk fees. USAA (currently restricted to members of military) used to offer Chip-and-PIN cards, but as late has backtracked to Chip-and-Signature priority.

Hey that's a cool Google Docs list! I know others that aren't on that list. How can I help by adding them to the list?
My bad for not putting this into the wiki sooner. Right now, the Google Docs is locked out of editing and only in "read-only" view because there were instances in the past where people would just delete the rows not thinking that it affects others viewing the list.

If you promise not to delete any rows and input all the pertinent info (annual fee, rewards, FTF, etc.), I can provide you with edit access. Just shoot me a PM to kebosabi with your gmail address and I'll provide you edit access.

Thanks for helping out!


As of October 2014, no USA-based card issuer offers Chip-and-PIN priority cards except for BMO Harris (Diners Club) and UN Federal Credit Union. Other major USA-based banks such as BofA, Chase, Citi, as well as others issue Chip-and-Signature cards which may work at many automated kiosks. However, bear in mind the word may is used above is a context where there is no absolute certainty of success for certain environments such as automated kiosks due to different natures of offline and online transactions. It is highly recommended to read Post #3 which lists real life FTer examples on how Chip-and-Signature worked and did not work at various transaction environments.

Can I upgrade it right now?
If it's listed on that Google Docs spreadsheet or SFOAMS' Silk page, wouldn't hurt to call/twitter them for a free upgrade. If you get the response you don't like, hang up, try again.

What is the difference between Chip-and-Signature and Chip-and-PIN?
You insert the chipped card into the slot. The physical contact terminal will read the EMV chip and the terminal will automatically read the preferred cardholder verification methods (called CVM) for that card.

Chip-and-Signature means that the terminal will printout a receipt for you to sign. This is the most prevalent authentication for most US issued EMV cards. Chip-and-Signature helps in a way that it will get through to face-to-face merchant transactions where you and the merchant do not speak the same language.

Chip-and-PIN means that the terminal will prompt you to input a PIN for authentication. Some credit union issued credit cards will have this CVM as secondary if Chip-and-Signature cannot be done. Chip-and-PIN is the more prevalent method of authentication used outside the US, especially in transaction environments where no human interaction is needed (i.e. automated gas pumps, toll roads, train kiosks, etc.).

The Google Docs spreadsheet will list which CVM are used in the EMV cards listed. Some cards can only do Chip-and-Signature. Other cards can do both Chip-and-Signature and Chip-and-PIN. And others might have a third option called No CVM (no authentication needed) which is reserved for low value transactions.

One chip can hold a lot more data, therefore it is capable of doing multiple verification methods. That's one of the great things about EMV over the mag-stripe which can hold very little data.

I want to know for sure what my EMV chip does. Is there anyway I can test out my own EMV card to see what the CVM list is?
alexmt has written up a nice step-by-step procedure on Post #3615.

If most of the EMV cards in the US is the Chip-and-Signature type, doesn't that mean it's still useless abroad?
Depends if you see it as glass half empty or glass half full. See Post #3 for further details on how Chip-and-Signature has worked both successfully and unsuccessfully depending on the merchant transaction environment and use your best judgment whether which one is right for you.

Are there any places in the US that are accepting transactions via the EMV chip?
tmiw has created a dedicated Google maps webpage to show where EMV has been proven to work here: http://emvacceptedhere.com/ Per his Post #4240, feel free to add any places with active EMV terminals if you come across one.

As of 2014/05, the EMV terminals in most Walmarts and Sam's Clubs are being turned on. Hence, the best place to try them out would be your local Walmart or Sam's Club. For other merchants, it's slowly being phased in.

I hope people will post them in the Post your receipt of your 1st EMV based transaction in the US thread. cvarming has shown us an EMV transaction receipt from Brooklyn, NY in Post #2380. I myself had my first EMV based (Chip-and-Signature) transaction in two stores in the Los Angeles area, as shown in detail in Post #2705 (courtesy of WhatWhatTech for pointing these two stores out)

I don't want a chip in my card. I heard horror stories all over the media saying hackers can steal my credit card info from a mile away.
There are two types of chips. One is contactless and the other is contact. Cards can be either one or the other, or both.

In the Google Docs spreadsheet, the cards that are capable of contactless payments are listed seperately under the "RFID or NFC contactless chip" column. If it says yes, then that means it has the ability to do contactless payments. If it says no, it doesn't have that feature.

The one that the media has overhyped about hackers "stealing your information wirelessly" was the contactless type like this:

You are worried about this happening, right?

You don't have to worry. EMV is a chip standard that can have both contact and contactless interfaces. With the traditional contact interface, this means you actually have to physically insert the chip into a POS terminal for it to be authorized, like this:

With the contact interface, nothing is wireless. No data is sent out in a stand-alone contact type EMV chip. With the EMV contactless interface, data is sent wirelessly.

Furthermore, contactless chip cards are required to show a symbol (looks like Wi-Fi symbol) somewhere on the card that to denote it's capability as a contactless card. For example, here's an example of a Discover Card with contactless capability (in which Discover calls "Discover ZIP") showing the contactless symbol on the back of the card:

Don't believe everything that the media says. Besides, millions of people all over the world from London to Singapore, uses contactless payments daily in extremely crowded subways and mass transit with nary any problems. There are multiple layers of encrypted securities and keys that are needed to break the code.

Frankly, giving your physical card to a waiter/waitress who takes the card out of your view is much more susceptible to fraud than contactless payments.

Why should I care?
If you are an international traveler, you will want this because majority of the world has or in the process of converting to this payment format.


In fact, in 2012, even North Korea moved to the EMV format, leaving the US as one of the countries in the world that hasn't done so.

In addition, VISA, MC, AMEX, and Discover have all agreed to incentivize the USA shifting to EMV payments by 2015 by shifting liability for fraudulent transactions to merchants if they do not have EMV equipment and the cardholder has an EMV card. So if you travel internationally or would like to get one before the others, you might be interested in getting one.


BS! I had no problems using my card in [insert whereever country], [insert whatever point in time]
If you stick to the tourist path where they have lots of visitors from the US, you should have no problems using your mag-stripe only card in hotels and restaurants, at least for now. But as things can change as things go forward.

However, consider that once you start taking the off-beaten path, go to non-touristy places where they are not familiar with mag-stripes, rent a car and use toll roads, fill up gas, or try to buy train tickets you might end up into a trouble of the machine not recognizing your card because it lacks the chip. Furthermore, a lot of toll roads, gas pumps, and automated ticket machines lack any human assistance to help you when you need it the most.

But [insert credit card company] told me all merchants that display their logo must accept them! All I have to do is report them for violating their agreements, right?
There are several factors against this.

1. You can only speak English. The merchant representative, most likely a part-time clerk earning minimum wage, speaks in a different language, let's say French. If you have no French language skills, how are you going to get your point across? Are you going to whip out your cell phone at exorbitant int'l roaming charges and hope the customer service is going to translate it for you on the spot? Or maybe you might actually know French. But how about Swahili, Farsi, Balinese, or the multiple languages in mainland China?

2. Just like US, the rest of the world's businesses uses part-time minimum wage workers as cashiers to cut down on labor costs. Most of their SOP training manuals are written by MBA types to not to do anything they are not familiar with. Do not expect them to understand the intricate details of credit card mumbo jumbo. You don't expect Taco Bell employees to understand the minute details of Discover-JCB-Union Pay agreements, right? Same thing the other way around: be respectful as a guest in their country, prepare in advance in their ways, avoid being an "ugly American" stereotype.

3. You are a guest in their country. You are a minority. If 99.9% of their country's people and other tourists from around the world uses EMV, do you really think they are going to accomodate the 0.1% of American tourists who only have mag-stripes credit cards?

4. Again, you are a guest in their country. How would you, as an American standing in line, react if a Chinese tourist was clogging up the lines at a local Taco Bell because the clerk doesn't understand the Discover-Union Pay agreement and has trouble communicating between Mandarin spoken by the tourist and English spoken by the Taco Bell clerk? Same way the other way around. You do not want to clog up the lines for everyone. The less hassle, the better.

5. VISA and MC make tons of money from merchants in that country. Say SNCF French Rail. It's a billion dollar company in France. Do you think VISA is going to pull the plug of their relationship with SNCF because SNCF refuses to do mag-stripe processing at their unmanned train station kiosk? Of course not. Be realistic.

6. And lastly, if you're up against an unstaffed toll kiosk, gas pump or train ticket machine, are you going to yell curses at the machine?

But I want my credit card to be able to be used in the US too!
No worries. They have not gotten rid of the mag-stripe on the back of the card for backward compatibility reasons, just like we still have embossed numbers on our cards for backwards compatibility to using those old carbon copy imprinters.

[insert own Hyatt card image front and back together with red arrows pointing to all the backward compatibility features]

You use the chip on the front of the card abroad (for now), and the mag-stripe just like any other card for the US. Basically, you're increasing your credit card's acceptance rate by getting a card that both via the chip and the mag-stripe. You're getting a better deal for free.

And when 2015 comes along and US switches to EMV, you'll be way ahead of everyone else too!


So why did the rest of the world and the US moved/moving toward EMV?
Primarily, due to fraud concerns. You see, the mag-stripe has been with us since the 1950s. It may have been the most high tech thing back in the day, but with the technology that is available today, any shmo can pick up a $100 USB magnetic card skimming device off of eBay and get your credit card info.

And unlike skimming off contactless cards which actually need the person to have l33t programming skills, skimming off a magnetic stripe has become so ubiquitous that nary a day goes about skimming fraud going on somewhere in America, from gas pumps, Michael's stores (2011), Target breaches (2013), restaurant waiters/waitresses, to even McDonald's drive thrus.

https://www.google.com/search?q=skimming+fraud

These type of fraud used to be prevalent in Europe. But once they started switching over to EMV starting over 2 decades ago, this type of fraud went elsewhere. It went over to Asia, Canada and Mexico, Latin America, etc. etc. until they too began implementing EMV to combat skimming fraud. The US is practically the only country left that hasn't done so, therefore all the fraud that used to take place elsewhere is now happening here.


But EMV is old and it's not fool proof. Shouldn't we just skip over it and do something new instead?
Yes, EMV is old. It was developed in the 1990s and its smart card payment predecessor was first introduced in France. But as of today, it has become the defacto global standard of payments.

But then, what else is there? There is no other de facto global standard of payments alternative. For example, if we decide to skip over it and do something new, hypothetically like DNA matching technology, it still means US int'l travelers will continue to have problems abroad with useless plastic acceptance because no other country is using this DNA matching technology except the US.

Besides, nothing is fool proof. You can say that the bank vault isn't fool proof because you can crack it open if enough C4 is used. But your average low-life scumbag isn't likely to get military grade C4 easily either. But the bank vault does make it harder to get the bank's money over say a petty cash box. That's the point here. EMV is akin to a security tight bank vault, the old mag-stripe is akin to a petty cash box lying around inside the drawer.


I'm a business owner and I don't think EMV is going to take off. I'm not going to spend extra hundreds of dollars to upgrade my credit card machine. Convince me other wise why I should.
I can understand the added extra cost to your business once this switchover takes place. But before even saying that, look at your existing POS terminal. Does it have a slot somewhere to insert a card?

Most likely, if you had replaced your POS terminal within the past five years, you already have an EMV capable terminal. EMV is basically just not turned on yet from the processor and acquirer side.

If you have an EMV capable terminal, then a best bet would be to contact your acquirer to have the EMV feature turned on. You did your end of the deal already by having an EMV capable terminal, it is now the acquirers' responsibility to turn it on in accordance to the EMV switchover mandate.

And if you don't, you are going to replace your POS terminal anyway from common wear and tear. It isn't a hard switch-over. You can continue to use your POS terminal until it dies out because EMV cardholders will still have the mag-stripe on the back. And by the time your non-EMV capable POS terminal is up for replacement the market will be full with these newer POS terminals that can accept the mag-stripe, EMV, as well as contactless payments.

In addition, you may also want to check with your acquirer or processor about EMV capable terminals. Some of them are willing to replace your terminal for free in preparation for the US EMV switchover. Call and ask for details.


But what's in it for me? I'm the one that has to pay for the upgrade.
All the major card networks have given incentives for merchants for the upcoming EMV switchover.

If 75% or more of your credit card transactions are done on an EMV contact and contactless terminal, they are going to waive your annual PCI-DSS fees, which usually costs you around $5.00-$19.95/month per terminal. The overall long term cost savings of those compliance fees will be larger than the cost of an one time upgrade for the terminal.

The downside is that once EMV switchover happens and if you do not have a POS terminal that is able to accept EMV, the fraud liability shifts over to the merchant.

I own several fast food franchises. If I upgrade my POS terminals at all of my restaurants, it's going to cost me thousands, if not millions. I don't think anyone is going to use a fake credit card to buy $5 burgers. And if they do, wouldn't it be cheaper for me to eat the fraud cost?
Remember also that fraud isn't just committed by dishonest customers using fraudulent cards. Fraud can also happen with dishonest employees skimming off credit card data from the mag-stripe as in the case of a teenage McDonald's drive thru employee skimming off $13,000 of customers' credit cards in Olympia, WA. Consider the public relations fall out that your business may have if this happens (i.e. the big Target breach of 2013, where someone used a mag stripe card to load malware INTO Target's system). Is it worth risking to take such a huge PR disaster?
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USA EMV cards: Availability, Q&A (Chip & PIN -or- Chip & Signature) [2012-2015]

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Old Nov 24, 2014, 8:11 pm
  #8251  
 
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Originally Posted by tmiw
Yeah, card-based contactless still seems to have an undeserved bad reputation so few issuers will give people one without the cardholder explicitly asking for it first. Or even actively promote it for that matter in the case of AmEx.
Most people don't even know their card has contactless unless its a master card, with an obvious "PayPass" logo. Visa and Amex only shows the waves that looks like this ")))."

I think that contactless will grow in usage here in America, but in its smartphone form, not card based like our European friends . At least they can still use their contactless cards here in America on our brand new sprawl of NFC terminals ^
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Old Nov 24, 2014, 8:12 pm
  #8252  
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Originally Posted by tmiw
Very few people actually pay the $600 right away. Usually people put a fraction down and enter a two-year contract with the carrier, though some are going away from that.
In that case they're paying way way more.

How much more exactly I don't know (if it's buried in the contract, it's hard to pin it down). But a friend last year needed a replacement flip phone, and I found a version sold for prepaid use with T-Mobile (at non-T-Mobile stores) cost $29, while if you bought it from T-Mobile the only option was paying over time, and I did the calculation and it cost $76 for the exact phone when stretched over time!

That's a 2.5x difference between paying for outright and getting it over time with the phone company.

Now, that's just one example from a low-priced phone, and I don't know if the ratio is always quite this high, but still, it's clear that a $600 phone bought in installment payments is way way way more costly than $600.
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Old Nov 24, 2014, 8:25 pm
  #8253  
 
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Originally Posted by sdsearch
In that case they're paying way way more.

How much more exactly I don't know (if it's buried in the contract, it's hard to pin it down). But a friend last year needed a replacement flip phone, and I found a version sold for prepaid use with T-Mobile (at non-T-Mobile stores) cost $29, while if you bought it from T-Mobile the only option was paying over time, and I did the calculation and it cost $76 for the exact phone when stretched over time!

That's a 2.5x difference between paying for outright and getting it over time with the phone company.

Now, that's just one example from a low-priced phone, and I don't know if the ratio is always quite this high, but still, it's clear that a $600 phone bought in installment payments is way way way more costly than $600.
My wife and I did the math a few time in the last couple of years. For most high-end phones you end up paying roughly the same in two years as you would do if you purchased the phone out right. So what does the phone companies get from their contracts: A hell of a lot: You cannot easily switch to a competitor; with family plans the customer often end up always being in contract (unless everyone in the family gets their phone on the same day); most people don't switch their phone every two years (breakage for the phone company); and increased sale due to less up-front cost. All-in-all, long contracts are very valuable to a phone company, so valuable that they can afford to spend money to gain you as a customer (pay early termination fees for new customers).
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Old Nov 24, 2014, 8:47 pm
  #8254  
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Originally Posted by sdsearch
Who outside of FT rushed to apply for the new Diners Club cards? (And those on FT are a fairly small population, relative to overall credit card holders.)

What banks pay attention to things that only happen on FT? (And you should hope that they don't, because then all sorts of "schemes" that people come up on FT that aren't on the banks' "radars" would suddenly be more visible to those banks.)

They suspended because they were having technical issues with the new accounts, including the non-posting of points, the slow deployment of the Club Rewards linking, etc, etc. If you had had a Diners Club card all along and had followed how slowly and ploddingly BMO Harris got the card moved over from Citi (you can read it all if you care go back a couple years in that forum), you would know that BMO Harris seems to have limited resources to put into the IT necessary for updates to the DC card (including launching new ones).
I'd say there were a fair number of people outside of FT who got the Elite card too for the MS potential. But yeah, I'm pretty sure they didn't mean to just throw out $40+k CLs left and right (probably why they actually suspended apps).

Originally Posted by RedLight2015
Most people don't even know their card has contactless unless its a master card, with an obvious "PayPass" logo. Visa and Amex only shows the waves that looks like this ")))."

I think that contactless will grow in usage here in America, but in its smartphone form, not card based like our European friends . At least they can still use their contactless cards here in America on our brand new sprawl of NFC terminals ^
If they want to go that route, they need to have a solution for those without iPhones (even if it's just a Chase or a BoA Android app or something that enables NFC with their cards) because I don't see Google Wallet ever supporting international use even by US residents. At least AmEx is doing physical contactless cards again; once DC starts supporting EMV contactless I'll be good to go. ^

Originally Posted by sdsearch
In that case they're paying way way more.

How much more exactly I don't know (if it's buried in the contract, it's hard to pin it down). But a friend last year needed a replacement flip phone, and I found a version sold for prepaid use with T-Mobile (at non-T-Mobile stores) cost $29, while if you bought it from T-Mobile the only option was paying over time, and I did the calculation and it cost $76 for the exact phone when stretched over time!

That's a 2.5x difference between paying for outright and getting it over time with the phone company.

Now, that's just one example from a low-priced phone, and I don't know if the ratio is always quite this high, but still, it's clear that a $600 phone bought in installment payments is way way way more costly than $600.
It might be worthwhile if you're one who keeps their phone longer than 24 months. I don't tend to since by the end of the second year the battery usually is heavily depleted.
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Old Nov 24, 2014, 11:36 pm
  #8255  
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Got around to implementing the cryptogram generation in my virtual terminal. At least on the CSP that seems fairly instant. Speaking of which...

Originally Posted by blaz
Ah yes, you are right, it did show up immediately. I was just surprised by the speed of the transaction, which made me assume offline. What this shows then is that EMV implemented properly can actually be fast.
Is it possible that the transaction was using the magstripe and not EMV? I'm not sure if there's any way to know for sure since Chase doesn't say if chip or swipe was used.
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Old Nov 25, 2014, 9:55 am
  #8256  
 
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Originally Posted by tmiw
Is it possible that the transaction was using the magstripe and not EMV? I'm not sure if there's any way to know for sure since Chase doesn't say if chip or swipe was used.
Impossible to say. The machine was one of those that swallows the card and spits it back out a second later.
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Old Nov 25, 2014, 12:06 pm
  #8257  
 
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Originally Posted by blaz
Impossible to say. The machine was one of those that swallows the card and spits it back out a second later.
FWIW, BofA ATMs locally hold card to end of transaction if chip AND not BofA card. Don't ask for balance if issuer charges inquiry fee (US bank nailed me without usual warning by ATM!). Successful pin entry should be sufficient to test.
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Old Nov 25, 2014, 12:45 pm
  #8258  
 
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Originally Posted by uds0
FWIW, BofA ATMs locally hold card to end of transaction if chip AND not BofA card. Don't ask for balance if issuer charges inquiry fee (US bank nailed me without usual warning by ATM!). Successful pin entry should be sufficient to test.
We are discussing using a CSP in an automated toll booth in Croatia, not at an ATM.
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Old Nov 25, 2014, 12:49 pm
  #8259  
 
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Originally Posted by blaz
Impossible to say. The machine was one of those that swallows the card and spits it back out a second later.
You didn't get a receipt from the toll booth by chance that indicated how the card was read?
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Old Nov 25, 2014, 12:53 pm
  #8260  
 
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Originally Posted by IslesFan
You didn't get a receipt from the toll booth by chance that indicated how the card was read?
Possible, but I didn't pay enough attention as I just wanted to get out of there as soon as possible. I might have a second take on Friday when I will be driving back across the same stretch of highway, will try to get a receipt if possible.
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Old Nov 25, 2014, 4:27 pm
  #8261  
 
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Most practical way to verify pin is valid BEFORE traveling abroad

Sun Trust has a nearly unworkable pin reminder or reset while anyone is traveling. They require the current pin in order to change it via phone (no online change possible), and most of the time the main reason to be reminded or change it is not remembering the current pin. Their solution is to MAIL the pin reminder (takes a week or more) to the registered home address only. Well, this has 0 benefit unless one is at home (NOT traveling - when it is most needed). Their excuse for refusing to update online or without the current pin is security, but go dead silent when approached with "well, guess all the other banks that do it without restricting it to home address mail must be confused cuz they simply ask security questions to authenticate the card holder if the current pin is not known?!?"

This potential ordeal has me revisiting what is the most practical way to verify the pin is correct. Ultimately, it would be great to verify the pin works with the chip, and I'd settle for minimally verifying a pin is valid with a swipe transaction. I don't want to have to spend $50 or more to trigger a chip and pin entry request and validation at Walmart or $50+ purchase for swipe elsewhere for each card I want to verify, and I have already been silently dinged by US Bank for $2.50 for using a balance inquiry to test the pin at BofA who has chip and strip readers here (since the ATM warns it will charge a fee but doesn't announce when the issuing bank will). Cash advance fees are prohibitive on most cards (except Andrews is 0 but triggers ATM fee). I've tried a few other things like fake balance transfers to accounts I know don't exist, but the resulting ATM message doesn't confirm or deny that the pin was correct or not (same message with correct and incorrect pins).

I'm probably having a brain-fart so I thought I'd tap into the almighty universe of infinite knowledge - ya'll!

Last edited by uds0; Nov 25, 2014 at 11:48 pm Reason: Sun Trust (NOT Andrews!) pin reset only by phone & REQUIRES current pin (sent via mail only) - sincere apology Andrews!
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Old Nov 25, 2014, 4:39 pm
  #8262  
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Originally Posted by uds0
Andrew FCU has a nearly unworkable pin reminder or reset while anyone is traveling. They require the current pin in order to change it via phone (no online change possible), and most of the time the main reason to be reminded or change it is not remembering the current pin. Their solution is to MAIL the pin reminder (takes a week or more) to the registered home address only. Well, this has 0 benefit unless one is at home (NOT traveling - when it is most needed). Their excuse for refusing to update online or without the current pin is security, but go dead silent when approached with "well, guess all the other banks that do it without restricting it to home address mail must be confused cuz they simply ask security questions to authenticate the card holder if the current pin is not known?!?"

This potential ordeal has me revisiting what is the most practical way to verify the pin is correct. Ultimately, it would be great to verify the pin works with the chip, and I'd settle for minimally verifying a pin is valid with a swipe transaction. I don't want to have to spend $50 or more to trigger a chip and pin entry request and validation at Walmart or $50+ purchase for swipe elsewhere for each card I want to verify, and I have already been silently dinged by US Bank for $2.50 for using a balance inquiry to test the pin at BofA who has chip and strip readers here (since the ATM warns it will charge a fee but doesn't announce when the issuing bank will). Cash advance fees are prohibitive on most cards (except Andrews is 0 but triggers ATM fee). I've tried a few other things like fake balance transfers to accounts I know don't exist, but the resulting ATM message doesn't confirm or deny that the pin was correct or not (same message with correct and incorrect pins).

I'm probably having a brain-fart so I thought I'd tap into the almighty universe of infinite knowledge - ya'll!
For the Andrews card, it will never ask you for a PIN in the US regardless of the purchase amount. It most likely will never ask you for a PIN overseas either unless the card has no other choice (offline PIN is #3, below "no CVM required"). This is probably why they made the policy decisions that they made with regards to PIN reminders.

The good news is that the PIN does seem to update if you successfully make a small purchase with the chip at Walmart or another retailer; I was able to test this with some software that I wrote to simulate an EMV transaction.
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Old Nov 25, 2014, 7:56 pm
  #8263  
 
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Thanks for your reasonable response.

Since the darn banks are forcing signature priority here in the US, I'm thinking that the only way to check the pin for validity is to use an ATM (which ALWAYS requires a pin), BUT ATM's typically have fees for accessing other bank's cards, as well as other bank may charge fee for access via other bank's ATM.

I'm looking for a simple way to detect that the pin has been validated via ATM without performing an ATM action that triggers these darn fees. I've been bitten by balance inquiry (what a crock!) and, for most cards, cash advance from ATM has huge fees, so I'm looking for other possible ATM interaction that will provide a unique message when a pin is correct vs incorrect without triggering those darn fees. I have access to BofA (chip and strip reader), US Bank, Wells Fargo, First Tech CU, Onpoint CU, Chase, and a few other bank ATMs locally, as well as 7-11 and Safeway in store ATMs.

Ideas?
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Old Nov 25, 2014, 8:09 pm
  #8264  
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Originally Posted by uds0
Thanks for your reasonable response.

Since the darn banks are forcing signature priority here in the US, I'm thinking that the only way to check the pin for validity is to use an ATM (which ALWAYS requires a pin), BUT ATM's typically have fees for accessing other bank's cards, as well as other bank may charge fee for access via other bank's ATM.

I'm looking for a simple way to detect that the pin has been validated via ATM without performing an ATM action that triggers these darn fees. I've been bitten by balance inquiry (what a crock!) and, for most cards, cash advance from ATM has huge fees, so I'm looking for other possible ATM interaction that will provide a unique message when a pin is correct vs incorrect without triggering those darn fees. I have access to BofA (chip and strip reader), US Bank, Wells Fargo, First Tech CU, Onpoint CU, Chase, and a few other bank ATMs locally, as well as 7-11 and Safeway in store ATMs.

Ideas?
An ATM transaction isn't going to tell you whether the PIN on the card changed, only that you successfully finished the IVR process and that the PIN has changed at Andrews' end. If we had EMV enabled gas stations one could possibly verify other cards with PIN (like the Arrival+); however, my guess is that US gas pumps will choose signature in the CVM list if it's first and just not ask for it instead of choosing no CVM or PIN. Otherwise, cards like BoA's credit cards that don't officially support PIN would ask for one, which wouldn't be good.
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Old Nov 25, 2014, 8:45 pm
  #8265  
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BTW, while looking for a standalone app to verify card PINs I found that chip and PIN paper we talked about earlier. In particular, the issue might be fixable without throwing out offline PIN altogether:

The realities of security economics mean that we have to look for a fix which requires changes only to customer cards or to the issuer’s back-end systems. Such a repair may in fact be possible: the card can change its CDOL to request that the CVMR (cardholder verification method results) be included in the payload to the Generate AC command. This specifies which cardholder verification method the terminal believes was used, and so should allow the card and issuer to identify the inconsistency. Out of many, we have only seen one EMV card which requests this field, and it is not clear that the issuer actually validates the CVMR against the IAD. Whether this fix works for a given bank will depend on its systems; we have not been able to test it, and given that it involves reissuing the card base it would take years to roll out.
However, wouldn't that still be editable using the same MITM attack they used originally?

Also, uds0, if you're willing to play around with Linux, try downloading OpenSC (https://github.com/OpenSC/OpenSC/wiki) and run opensc-tool with your Andrews card. You'll probably want something like (assuming your PIN is 1234): opensc-tool -s 00:20:00:80:08:24:12:34:FF:FF:FF:FF:FF. Look for 0900 or 09:00 somewhere in the response that it spits out if the PIN change was successful (63:CX or 63CX should get spit out if the PIN is incorrect, where X is the number of tries left IIRC).

Warning: Use at your own risk; I haven't tested this particular way of verifying the PIN. I take no responsibility if this ends up locking the PIN on your card or prevents the chip from being used in future transactions.

EDIT: forgot about the number of PIN tries left.

Last edited by tmiw; Nov 25, 2014 at 8:51 pm
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