Questions tagged [fraud]

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1
vote
1answer
124 views

Self-destructing e-mail [duplicate]

Recently someone whom I more or less trust (let's call him John) showed me a screenshot of an email from someone else (let's call him Paul). It was bad and if it's true then it means Paul is bad ...
3
votes
3answers
23k views

Can someone take money out of my account with just my Account & Routing number?

I had recently given someone my account number and routing number to deposit money into my checking account. They owed me money I had lent and said this would be the easiest way for them to do it. I ...
7
votes
2answers
6k views

Is it possible to clone my contactless debit card while it's in my pocket?

I have a bank account that I never use, someone cloned my debit card and used it to buy something in Brazil in order to make sure the cloning was successful then they started making transactions of £...
-3
votes
1answer
94 views

HOw do I file a police report and still ensure the FBI doesn't get involved? [closed]

I work for a company who's checks have been fraudulently copied and used in a scam. I'd like to report this to my local PD, but I'm concerned they'll get the FBI involved. As I understand it, once ...
8
votes
1answer
33k views

Clone debit or credit card

I would like to make some workshop about Debit or Credit card fraud (Skimming). So I need as much as possible information about it. Is it possible to clone debit or credit card with MagStripe reader ...
1
vote
1answer
222 views

Full credit card photo (front and back) accidentally sent to a customer service, what to do now? [duplicate]

The VPN customer service told me to edit the photo so they could only see the beginning and ending of the credit number and I accidentally sent the full photo of the front and back. Am I screwed?
0
votes
4answers
5k views

Barcodes that cannot be duplicated for products [duplicate]

I have got some products, lets say A, B and C. I want to print a unique barcode for each of these products i.e even if there are 1000 product Cs, they all get the same barcode but this barcode should ...
3
votes
1answer
336 views

Can multiple transactions of the same amount in a short time be considered fraud/corruption?

Back story In South Africa there is a website where I can buy prepaid electricity online for my apartment. When buying I did not get the token to use on my metered box. I had a chat with them today ...
69
votes
10answers
38k views

Can I scratch off the magnetic strip off a debit card to only allow chip and PIN?

I have been robbed in the past by thieves using my HSBC Debit Card (issued by UAE branch) to purchase mobile phones and accessories by signing for the purchases. While the card has chip & PIN ...
2
votes
0answers
1k views

How to reduce Adwords click fraud (botnet clicking ads)? [closed]

I hope this is the right place to ask (here is a similar question but the answers aren't specific for AdWords). My Google AdWords campaign has been under attack for the past 3 days. Bots from ...
0
votes
1answer
421 views

Notice of Credit Card Fraud via text on my phone someone responded how did they do it? [closed]

I received a text alert from Capital One fraud alerting me of unusual activity someone replied to the text confirming the activity. I have an Iphone. How can they get access to my phone and what do I ...
2
votes
3answers
246 views

Emailing debit card details to a guesthouse

I'm trying to arrange a holiday out to the Aran Islands, and the guesthouse emailed me back confirming that they do have a room available. But here is the catch: they want me to email my credit card ...
7
votes
4answers
346 views

Bank website forwards to false site - formatted hard drive - still forwards

Summary: When I visit my bank's website, I get forwarded to a phishing mirror site. This has persisted through a re-format of my MacBook. Even on different browsers! Other computers on the same ...
59
votes
5answers
68k views

What's the impact of disclosing the front-face of a credit or debit card?

There are quite a few cases where people are called out for disclosing the front-face of a credit or debit card (e.g. this tweet from Brian Krebs or this twitter account). So I was wondering what the ...
1
vote
4answers
1k views

Fraud detection to avoid fake users

I know there is no 100% solution for fraud detection, but at least I want to set some level of confidence in this use case. Suppose that I have a system where: A user need to make a registration A ...
4
votes
3answers
12k views

How can I prevent my E-mail address from being used as the sender for fraudulent/scam messages?

Recently, me and at least one other person I know received an obvious scam E-mail that starts off something like this: We considered your resume to be very attractive and we thought the vacant ...
2
votes
1answer
1k views

Single button click mobile direct carrier billing fraud

A friend of mine had just had the following happen: He visited a website with the mobile phone using Chrome Mobile on Android An advertisment poped up that covered the whole page There was no close ...
35
votes
8answers
6k views

Dealing with excessive “Carding” attempts

We are currently setup using Magento on a LAMP stack for our e-commerce platform. As of a month or two ago we began noticing a lot of carding attempts against our website. All attempted transactions ...
1
vote
1answer
3k views

If I give my bank account and routing number to a stranger to receive a one-time payment, can they steal money from my account? [closed]

Aside from my SSN, card numbers and PIN numbers what information does someone need to spend money from my bank account without my consent? I want to list an item for sale on an auction website and if ...
1
vote
1answer
249 views

Is the following e-mail fraud technically possible?

Summary: Can email be intercepted and modified by a 3rd-party during transit from the sender to the receiver? If so, can this interception be detected? Details: My friend (A) (mailbox at popular ...
5
votes
1answer
7k views

I emailed someone a picture of a check I wrote for them. What now?

On a whim, I emailed the intended recipient of a check I wrote a picture of that filled-in check to indicate I was about to mail it out. The full front of the check, with amount, my signature, account ...
6
votes
4answers
1k views

Source code auditing and fake builds

I am wondering about source code auditing and how hard it would be to fake a build to be audited? Let me explain. Say I would be a dishonest programmer that would wish to put in some backdoor into ...
0
votes
2answers
730 views

If I browse a website over HTTPS using a VPN, can the data be sniffed somehow?

I bought yesterday a flight from an American website. In my country, tickets are too expensive. Therefore, I used a IPVanish VPN to browse the airline website. It appears as if I visited it from New ...
2
votes
2answers
320 views

ATM skimming with magnetic stripe

I have a question about ATM skimming. If ATMs in the UK still accept magnetic stripe can't a thief still use a cloned card at the ATM to withdraw money?
-1
votes
1answer
232 views

Magnetic stripe credit card [duplicate]

Do ATM in London accept magnetic stripe? If yes can a thief still duplicate a credit card and use it in an ATM which accepts magnetic stripes?
2
votes
2answers
466 views

Can two users share the same Request.UserHostAddress?

I am working on an ASP.NET MVC-5 web application, which is available to public users (no login is required). And I need to prevent the same user from submitting more than 5 "contact us" requests ...
1
vote
1answer
374 views

How to know somebody's IP? (Fraud victim) [duplicate]

I was victim of fraud (fool me) in Mexico and my only hint is a GMail account, so I can contact him from an anonymous mail. From what I've read, GMail's headers don't contain the sender's IP. What ...
3
votes
2answers
227 views

Are there any ways to defraud a fundraising site?

I have developed a many e-commerce stores for clients over the years; almost all of them selling physical products. Recently, one client in particular was repeatedly getting hit with fraudulent ...
3
votes
2answers
6k views

Can expired credit card information be used for fraud?

I have encountered a situation where payment card (debit/credit) information, including name, number, expiration date, and cvc, is being saved by an organization unencrypted in excel spreadsheets on ...
1
vote
0answers
70 views

Transaction without 3DS in some online websites is Fraud prone? [duplicate]

I use my MasterCard credit card for online transactions which uses SecureCode for preventing online frauds even though hackers knows our credit card details. I have come across many sites which is ...
6
votes
1answer
334 views

Countermeasures for a family-member attack on a password reset procedure

Given an account reset procedures, there are usually some recovery questions, and in better implementations a link will be sent to confirm the password change via email or SMS. Therefore, the attacker ...
0
votes
1answer
202 views

How prevent online payment fraud? [closed]

What is the solution of independent payment authorization from hackers between bank and merchant? Some banks used SOAP protocol. I need another solution.
8
votes
1answer
2k views

Why is it hard to prevent scalpers from using bots to buy up lots of concert tickets?

The New York Times recently has an article that talks about how scalpers are using bots to programmatically buy up lots of concert tickets, making it harder for ordinary fans to buy up tickets. For ...
0
votes
2answers
126 views

Library or service for rate limiting credit card transactions by IP [closed]

I have a simple product ordering form. A hacker is attempting to validate stolen credit card numbers by making two orders per minute with a bot. 99% of the orders are declined but some are completed....
5
votes
4answers
5k views

Signature instead of PIN, Visa card

Most of the credit cards require PIN to authorize transaction. Recently upon a transaction the merchant required my signature and not my PIN. I understand this is another sort of authorizing the ...
7
votes
3answers
1k views

Credit card fraud prevention

The project that I am working on requires processing of credit cards. Is there any way to detect cloned/counterfeit cards? Are there any proven workarounds to prevent credit card fraud or misuse? We ...
0
votes
3answers
795 views

Overwriting only Free Space with rubbish data to prevent data recovery?

I am aware of tools which write zeros or other useless data to fill up your harddrive, however so far all of the tools I have come across must fill up the entire harddrrive. My understanding of the ...
6
votes
3answers
668 views

Fraud prevention on online transactions

We operate an e-commerce website, and we're facing some big problems with payments. Very often, some customers get credit card data and use those in our store. So when the real credit card owner gets ...
1
vote
1answer
643 views

“Inverted” asymmetric encryption

I am developing a system to prevent frauds in tickets. What do I need? An algorithm to generate a QR Code that will be shown to my clients in a ticket. An algorithm to validate (offline) the QR ...
2
votes
4answers
6k views

How to detect bots clicking a link?

I own a url shortening service. I want to deliver only legitimate statistics to my clients. There are possible scenarios that a particular user writes a script to automatically open the shortened URL, ...
14
votes
2answers
3k views

Should I change phone number and e-mail address after PayPal fraud?

I have been the victim of PayPal fraud. I hadn't used PayPal in a year and then within 9 days there were three unauthorized transactions on my account for a total of 150 Canadian dollars and 290 ...
1
vote
1answer
143 views

How to maintain validity of user credentials?

In an example scenario consider that; I am a customer of organisation and I have two separate accounts with two different departments X and Y. I can login in to each department's website by using ...
1
vote
1answer
2k views

How long does it take for Google to detect click fraud and suspend an AdSense account? [closed]

Click farms can be hired to boost ad revenue. http://www.security-faqs.com/what-is-a-click-farm.html The click farm is made up of armies of low paid workers who’s job is to click on links, surf ...
1
vote
0answers
63 views

Properly secure an API [closed]

I'm working on an application that basically match (IRL) two kind of persons. On the client side, the frontend is a single page application with a flow that looks like this: Details -> Login -> ...
0
votes
2answers
499 views

How do gift card resellers prevent sellers from re-using pin and card numbers

There are multiple gift card reseller sites that buy your gift cards and resell them at discounted price. I was wondering how these sites prevent sellers from reusing the pin and card number after it ...
2
votes
1answer
183 views

How to protect myself from future fraud? [closed]

Recently, I had my credit/debit card from my bank "stolen." The thieves somehow got my card number and information and took quite a bit of money from my account. Fortunately, I was able to recover it ...
25
votes
7answers
11k views

How to prevent cheating (extra votes) in online contests?

Mitigating Cheating & Voter Fraud in Online Contests… We run online contests of various sorts that involve users voting on entries (usually one vote per user per day). The prizes range from ...
7
votes
5answers
23k views

How is Chase Mobile Deposit Secure?

Chase has this app that allows you to snap a picture of a check with your phone and deposit that check into your account. How do they prevent: Someone from depositing a check that's not written to ...
7
votes
4answers
735 views

Candidate authentication in large scale assessment

First of all, I'd like to apologize beforehand if the questions I am about to ask are not really suitable for this site. I could not think of any other category to post under. Right, here goes. We're ...
-1
votes
1answer
250 views

How much can you trust a (banking) site after it spams you? [closed]

How much can you trust a company that send you spam ? Many people, after registering with Moneybookers(Skrill) started to receive spam that included their real name (as inputted in Moneybookers ...