Use for questions about security practices used by banks and other financial institutions.

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64
votes
10answers
25k 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 ...
16
votes
3answers
2k views

Voice Biometrics for financial authentication

From this article: http://www.bbc.com/news/business-36762962 Apparently, it takes us 45 seconds on average just to confirm who we are. But by using computers to identify our voices, this ...
7
votes
1answer
54 views

Does the use of a smartphone's Secure Element really offer security benefits to a banking app?

My bank's Android application allows users to perform financial transactions without the use of the physical token generator (which requires an ATM card to be inserted and a valid PIN to be provided) ...
7
votes
2answers
120 views

Is having a piece of paper with 2 fake PINS a good solution to mitigate credit-card theft?

I am planning to travel and thought about credit-card theft. Would it be a good idea to have a piece of paper with 2 fake PINs near my credit-card? The imagined attack goes as follows: The piece ...
3
votes
1answer
155 views

How safe is my contactless bank card?

In the past few years Contactless Payment cards have been introduced and I have been reading some articles surrounding security of these cards. The following article "Stealing data from contactless ...
3
votes
3answers
80 views

Additional confirmation for online bank payments

Nowadays, when someone is making an online payment, the associated bank often requires an authentication step. As far as I know, there are mainly two ways to do this: SMS Verification. The Bank ...
87
votes
12answers
12k views

Is a 6 digit numerical password secure enough for online banking?

My bank went through a major redesign of their customer online banking system recently. The way security is managed across the platform was also reviewed. The password I am able to set now to log in ...
0
votes
0answers
41 views

Best practice for Users to avoid fraud for Direct Debit enabled bank accounts?

Direct Debit or automatic debit transfer system or Bankeinzug (German), seems a common/convenient way to pay in (online shops in) many countries available for many banks. https://en.wikipedia.org/...
9
votes
2answers
290 views

Is SWIFT (banking) Software Architecture Secure?

With all the news about hacking banks and stealing money from banks over SWIFT, while the vulnerabilities weren't directly related to SWIFT, some questions arise: Are software components of the ...
14
votes
3answers
5k views

How do RSA SecureID ® Keys Work?

I have been using RSA SecureID ® Keys for quite some time now (perhaps 10 years), for things such as securely my home banking account online or accessing my company's network of computers from home. ...
1
vote
1answer
47 views

Challenge-Response Application in E-banking

Why is it important that Alice doesn't know K? What could happen if Alice knew K?
2
votes
1answer
75 views

Router as MITM to steal data

I was reading a blog post about ATM skimming and the following quote (at the end of the article) caught my eye: Ivanov allegedly used two devices — a router to steal the bank data of customers ...
13
votes
1answer
379 views

Bank complains about rooted Android. Is it really any worse than a Windows desktop?

When I use my bank's Android application, the app notices that my phone is rooted and puts up a message with a big red "danger" symbol and a message saying "vulnerable device." I totally understand ...
5
votes
1answer
403 views

PayPal is asking for my Bank Details. How secure is this? [closed]

I am from the UK but I'm living in Poland. I have two British bank accounts and a Polish account. The two British accounts are linked to a PayPal account registered from the UK and the Polish one is ...
1
vote
2answers
80 views

Ethical hacking requirements on a banking institution

If I would be required to do an ethic hacking research by a banking institution would I use my own bank account, ask for an account to the bank or open a new account and transfer some money and do ...
31
votes
3answers
31k views

How does HSBC's “Secure Key” actually work?

My bank has recently sent me a Digipass/Secure Key, which looks like a tiny calculator. You press the green button to turn it on, type a PIN to unlock it, then press the green button again to generate ...
2
votes
0answers
37 views

Out of band signature application for banking transactions

I work on a banking signature project. Signing transactions must be carried out on another application to respect the mechanism "Out Of Band". When the user makes a transaction, he must pass to a ...
6
votes
4answers
244 views

If most ATMs are Windows XP, and Windows XP is no longer updated…?

...how do banks keep their ATMs safe? Have a handful of companies sprouted after XP's end of cycle offering patches?
1
vote
1answer
21 views

How are sites like PersonalCapital safe/trustworthy?

Sites like PersonalCapital require you submit your account login details for every one of your banking account providers. Could personal capital potentially log into your financial accounts and make ...
5
votes
2answers
1k views

What is stored on a banking card and how is it protected?

I wonder what is the content of a basic banking card having a chip, the kind you use for payment in any store, with a PIN, possible bank authorization, such as Mastercard or Visa or national banking ...
1
vote
2answers
229 views

Money stolen via Android malware Port 4000 remote anything exploit

As background, my business bank account was compromised. The compromise also involved call forwarding of a smartphone. So they got bank credentials and cell phone credentials. I initially suspected ...
0
votes
5answers
459 views

Is it safe to tell credit card number to bank employee over a phone?

Recently, I got a new credit card via post. To activate it, it is required to call to the bank (phone number is attached to the card) and confirm, that card was received. For activation purposes, the ...
0
votes
1answer
133 views

Securing a public computer meant for banking

I sometimes visit my bank personally to handle certain formalities. Inside there is a booth containing a computer and all equipment necessary to log in to the online banking service. The computer is ...
4
votes
2answers
137 views

Should I worry about NoScripts anti-XSS warning when making a 3DSecure payment?

When I make an online payment using 3DSecure (Verified by Visa or Mastercard Securecode), NoScript informs me that it has stopped a potentially insecure script where site A (the bank or the credit ...
29
votes
7answers
4k views

Explain to non tech savvy person how to check that your connection to mybank.com is safe?

I was reading the security advice given by the Swedish Bankers' Association. They included these two pieces of advice (my translation), that I assume is to teach the user to check for SSL/TLS and ...
19
votes
3answers
3k views

Why do some bank websites use passwords that are not case sensitive?

It was recently brought to my attention that a certain big bank website allows users to log in with passwords that are not case sensitive. After confirming this, I checked other websites I bank with ...
2
votes
1answer
198 views

What to do in case of a weak certificate on my bank's website?

My bank's website, while always having had a 'green lock' in the address bar doesn't have this anymore. I then called the bank with a phone number I found on the same website, and asked that the ...
0
votes
1answer
67 views

Verifying that an Android banking app checks that the certificate is trusted

I have a closed source banking app on my unrooted Android phone. I'd like to verify the following: The app uses SSL to communicate with the server The app verifies that the SSL certificate of the ...
0
votes
0answers
59 views

stream cipher & e-banking

As I read on internet, I ran into these two question. Yet, I thought about it but still don’t know how to tackle it. May I have your help? (a) During an e-banking transfer the bank uses a stream ...
13
votes
2answers
409 views

What does banking etc. server room protection look like? What happens if it fails?

Given that information security is derived from physical security, as evidenced by this theft, I'm curious as to what protection surrounds my bank account? There are two main avenues I'm interested ...
39
votes
3answers
5k views

Why do some internet banks force logout on back button?

A design pattern I've noticed on internet banking sites is that you get automatically logged out and sent to a warning page if/when you hit the back button on your browser, ending your session and ...
3
votes
5answers
754 views

Home Banking, antivirus safe environments OR Linux on virtual machines?

Which is the safest way to do home banking, given that I do use Windows on a tablet, I do connect to both private and public networks and I cannot use a Linux live distro right now? I've been ...
8
votes
1answer
159 views

IBAN with too few blanked digits?

It is customary for websites, messages, or other documents to sometimes display data (credit card numbers, phone numbers, ...) with some numbers blanked (e.g., replaced with asterisks) so that the ...
2
votes
1answer
109 views

Should we trust online banks with our credit card information?

I'm thinking of buying a product for someone using the steam platform. Being in Germany, the best (least expensive) option would be to use a local bank. Logging in, choosing a product and checking out ...
7
votes
4answers
4k views

How can my bank debit card reader know that my pin is valid?

Why do ATMs accept any PIN? states that the ATM does not know my pin and the pin is not on the card as well. My bank has this system: It works in 5 stages: I enter my debit card number on the ...
9
votes
2answers
262 views

not allowing pasting of bank account number

One of my credit card's bill paying site has an incredibly annoying limitation... it does not allow the user to paste in the bank routing and account number. Therefor, every month I am forced to ...
2
votes
0answers
61 views

Do inter-bank transactions guarantee that the amount of money is preserved? How?

I recently transfered money between two of my bank accounts in the same bank, using the e-banking interface, and, once I approved the transfer the website announced having "successfully transfered 0$"....
2
votes
2answers
139 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?
4
votes
1answer
266 views

How do banking software systems securely store account information in database?

Banking systems store account information in databases such as Oracle and databases are maintained and administered by DB administrators. The account information is stored in a table and a column of ...
5
votes
2answers
2k 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 ...
7
votes
7answers
15k views

How safe/secure are banking applications on Android phones?

I have a mobile banking application installed on my phone which allows me to pay for things, transfer money using my phone from my account to another etc. How safe or unsafe is this application? For ...
3
votes
1answer
95 views

Do card issuers give merchants new expiry dates for recurring payments? [closed]

Recently I got an email from, let's say, “Company X” saying: some banks provide updated expiration dates for automatically renewing subscriptions I find it really hard to imagine that my bank ...
4
votes
4answers
442 views

Safe way to communicate IBAN connection

How do I securely communicate my bank connection details (IBAN + full name) to an otherwise trusted person with email being the only connection? Obviously I wouldn't use (plaintext) e-mail since any ...
19
votes
3answers
3k views

Could my bank's two-factor authentication be hacked?

When I attempt to log in to my bank, an SMS code is sent to my phone. I then type this nine-character code into the bank's Web site, to login to my account. Is this vulnerable to attack, without ...
2
votes
1answer
148 views

How do banks determine when to ask for two factor authentication?

I was playing around with trying to figure out how my bank knows when to give me a two factor authentication prompt. I had originally thought it was based on my cookies and maybe my IP address. But ...
7
votes
1answer
117 views

In the Netherlands, is there danger in my name and bank account number being public?

I know of the question Bank account number and account holder in check exposed? , but the answers to it are quite US-specific (checks and such) and I live in the Netherlands. Dutch banks are ...
4
votes
3answers
1k views

Securely storing bank account details in database

I am developing a service that will involve the direct debit of customers' accounts on a routine (weekly, monthly, etc.) basis, and so I'll need to store their information (BSB/routing number and ...
2
votes
2answers
574 views

Chrome status warning on a netbanking secure site connection [duplicate]

I visited my bank's web banking site and clicked on the Green Lock in the address bar of my Google Chrome browser out of curiosity. Under the "Connections" tab Chrome spits out this disturbing ...
3
votes
3answers
270 views

Why do so many banks have relatively weak e-banking security? [closed]

I follow a few infosec-related Twitter personalities: Paul Moore, Taylor Swift, Troy Hunt are the main 3. Paul Moore is currently in the process of switching banks, frequently tweeting and retweeting ...
7
votes
2answers
2k views

What to do about “approved” direct banking MITM sites like sofort.com?

Brussels Airlines allows several payment types, only two of which are free: Maestro and Sofort Banking: The second option was new to me, but direct debit is usually a free and practical way to pay: ...