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Questions tagged [fraud-prevention]

Fraud-prevention is the proactive identification of the causal and enabling factors of fraud, to prevent fraud from happening in the first place. This tag is for programming questions related to detecting and preventing fraud.

Fraud-prevention is the proactive identification of the causal and enabling factors of fraud, to prevent fraud from happening in the first place. Fraud-prevention is based on the premise that fraud is not a random occurrence; fraud occurs where the conditions are right for it to occur.

88 questions
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SQL Query for data with multiple conditions

I'm trying to find a way to create a query that returns transactions from individuals when they submit transactions that are traditionally accompanied by other transactions. Example (with data below): We see employees had a flight purchased (with…
irishninja002
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Suspicions regarding Magento licencing

I have been doing webdesign for a small business in Denmark, which alrady have a deal with a larger company to create the final site. Among this companys proposal, I see that they charge a rather large fee for installing Magento on my clients…
Nils Munch
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Preventing Data Fraud and Deletion in SQL Database

We have an application that is installed on premises for many clients. We are trying to collect information that will be sent to us at a point in the future. We want to ensure that we can detect if any of our data is modified and if any data was…
David Work
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Securing tincan course agains replay / fraudulent statements

We are having courses using the tincan api to report progress in courses to our own learning record store (LRS). The courses are provided by a third party and run in the users browser as HTML pages. Since all tincan statements send from the course…
Th 00 mÄ s
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Detecting throw away and virtual Credit Cards

The type of business I run allows customers to get results before they pay. I take their credit card information when they sign up, and afterwords anywhere from a week to a month charge them for my services. Most of the time this goes smoothly, but…
Steffan
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How to get the real identity of a user when selling digital goods?

In my country we have a very peculiar payment system that it is based on ATM machines, we generate a reference that the user will use in a ATM machine to do the payment. Lately I've had some troubles with some user or users that do the following: 1…
André
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How to completely detect Proxies using PHP

I would like to fully detect proxies before someone enters to my website, to prevent fraudulent actions. Is there any script in PHP which could actually detect all proxies, like Transparent, Anonymous, High Anonymous, Socks, Tor, etc? I have a code…
Taboo Loco
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predicting non-random number from a series of random number

I got the following interesting task: Given a list of 1 million numbers with 16 digits (say, credit card numbers), which includes 990,000 purely random numbers generated by a computer system, and 10,000 created manually by fraudsters. These numbers…
AdamNYC
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Python Fraud Detection Classification Algorithms

I am working on a credit card fraud detection model and have labeled data containing orders for an online store. The columns I am working with is: Customer Full Name, Shipping Address and Billing Address (city, state, zip, street), Order Quantity,…
pali
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Paypal as payment gateway?

i have to choose between several payment gateways. I heard that PayPal is quite a mess and there were several fraud-issues? Does some of you have experiences with PayPal? Thanks in advance
trnc
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How important is it to use SSL on every page of your website?

Recently I installed a certificate on the website I'm working on. I've made as much of the site as possible work with HTTP, but after you log in, it has to remain in HTTPS to prevent session hi-jacking, doesn't it? Unfortunately, this causes some…
mpen
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Template Matching for relational database

I am trying to do the following: we are trying to design a fraud detection system for stock market. I know the Specification for the frauds (they are like templates). so I want to know if I can design a template, and find all records that match this…
Hany
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What are the steps needed to use Mahout Native Bayes Classifier Algorithm?

I am trying to use Native Bayes Classifier in detecting fraud transactions. I have a sample data of around 5000 in an excel sheet, this is the data which I will use for training the classifier and i have test data of around 1000 on which I will…
Prasad
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How to protect against fraud?

I have a VoIP calling company for a Russian market with a Russian website where people can sign up for an account, buy credit and make calls. My service is not even popular and I have only ~100 customers. Recently, I had around 10 fraudulent users…
tmrhmdv
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How does Firebase Sign in with Phone Number prevent abuse with a Disposable Phone Number services

The idea of authenticating with a phone number seems like a good idea on the surface to prevent users creating multiple accounts. However there are a number of services out there that supply disposable numbers for one time use. How does Firebase…
Rich Theobald
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