A payment gateway is an e-commerce application service provider service that authorizes credit card payments.

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107 views

Has 100+USD, accidentally [on hold]

Yesterday, I just visit a shopping site which use serial payment method and I type in some serials randomly then my account have 100USD; I just want to 'test' that website (for the bug bounty), is my ...
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0answers
35 views

Best way to authenticate for Funding balance with API call [closed]

I have an API call where a user adds to their balance when funds are low. The actual payment is done via Braintree, but I need to allow the user to make that call via their API. What would be a good ...
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3answers
74 views

PCI Compliance Check-list

I'm currently attempting to wrap my head around PCI compliance - and what I need to do for my business to be compliant. I would like some confirmation on what I've found so far. I accept payments in ...
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1answer
158 views

Is building an NFC payment app without a secure element like Apple Pay fundamentally insecure?

Suppose I work for a bank and am asked to write an NFC payment app for the iPhone 6 or Android but not use Apple Pay. To simply send the credit card details to the reader via NFC. Now assume I'm not ...
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3answers
111 views

How are HSMs used in payment processing on the server?

I came to know recently that HSMs are used in credit card processing on the server side but since I don't work in that space and stumped as to why its needed. I can see it used in an ATM machine - ...
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1answer
80 views

Designing and implementing a secure epayments system with RESTful API

I want to design and implement an epayments system (I will not be handling credit card payments). The system will have a RESTful API. I am already familiar with RESTful servies, and have built a few ...
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49 views

How can a website charge my credit card when I entered an incorrect CVV? [duplicate]

I just created a free account on Pluralsight.com and entered my credit card details, but I entered my CVV incorrectly. How can they charge a payment to my credit card even though I entered an ...
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2answers
432 views

If am using Stripe am I SAQ A-EP in PCI V3

We are going through the PCI process at the moment and because v2 goes out of date on December 2014, I opted to use PCI v3. Because with Stripe you put the form inside your application and post to ...
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1answer
74 views

Paypal Vault - Is it really secure?

If the information used to retrieve a card from the Paypal Vault, i.e. "credit_card_id" is stored in a database entry on our server, if a hacker is able to gain access to the server, does it really ...
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1answer
135 views

EMV(Chip) Cards - What's the point of having the chip card communicating directly to the authorising server? & Clarification of CDA in EMV

Ok I understand from my research that the Chip Card creates an AC Key(MasterKey+AccNumber) to communicate with the authorizing server securely (3DES key to have encrypted communication) but I don't ...
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3answers
259 views

Should I install an SSL certificate for a website that uses a third party payment gateway?

I understand what an SSL certificate does but I need help evaluating if I need one for my client's website. His website sells holiday packages online but does so without asking for any credit card ...
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1k views

What level of PCI Compliance do I need to adhere to if I do not store, but transmit data?

I'm doing a bit of research on my level of PCI compliance, and I'm having a difficult time grasping where I'm supposed to be. I have a web service that has recurring billing. The site is created ...
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3answers
645 views

Can Paypal be used to verify a user's identity?

As I use my Paypal account for various online services, I noticed that vendors integrate differently with Paypal for on-demand payment, and scheduled payments. I also noticed that Paypal offers a ...
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1answer
98 views

What are the security measures to be taken before launching a site with credit card payments? [closed]

We just completed functionality testing of our new e-commerce site and going to launch.We are accepting credit card payments. I'm really concerned about it's security.What are the precautions to be ...
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1answer
788 views

What are the security implications of the POLi Internet Payments technique?

POLi Payments is an Australian based online payment provider which has begun trading in New Zealand. They are supported as a payment option on some large eCommerce websites in New Zealand, including ...
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1answer
96 views

Is committing credit card data to this website considered safe? [closed]

Recently i came across one donation site which gets credit card info and makes donations, like the above donation site most of the site broughts donation on their own donation page instead of ...