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Ways to Lock Your Bank Cards When You Lose or Reveal Information is easier to understand when the core ideas are paired with practical examples. The sections below explain the topic clearly, highlight useful steps, and point out details that can prevent common errors.
There are many cases where people use a bank card to reveal their card information, and sometimes your bank card information is leaked in case you don't expect it. Currently there are many forms of fraud to entice users to fill in card information like winning messages and ask users to fill in bank card information to get money.
Or with VISA / Mastercard , just the person who uses the card to lose the card is the money inside that will risk "not flying". typically the card information will be available on data files that are recorded as user billing information from the store or supermarket system. In particular, credit card numbers and some other customer information, this is very dangerous because hackers can take advantage of it to get money in their accounts.
Instructions on how to lock bank cards
1. Lock the card via the bank's online website
Step 1: Here I will take the example of some of the most popular banks, that is Vietcombank's website. Please log in your account number to the homepage of Vietcombank, then select Add-ons> select Next temporary card lock in the Tags tab .

Step 2: Select the type of card you want to lock, select the card number and click Confirm to temporarily lock the account. Soon the payment card you choose will be temporarily locked.

You can do the same with other banks, almost all banks now support Internet Banking so users can perform account lock on computers or phones, just have Internet connection..

2. Lock your bank account with the phone number
In addition to locking the account from Internet Banking service on the website, users can also call directly to the phone number of that bank to request to lock the account, just provide the account number, card number or number. The identity card is the operator who has been able to temporarily lock your bank account.

But the phone number of the switchboard is using, not everyone knows to call the switchboard and ask for support. However, you can view the list of bank switchboard numbers in the list of telephone numbers of switchboards of banks in Vietnam.
3. Lock bank card with Mobile Banking application
Some banks are currently developing their Mobile Banking applications on the phone so that users can control and manage their accounts, along with these applications also have other features to serve the transfer needs. money, online payment. Including temporary card lock feature.
Just log in the phone number registered on the Mobile Banking application and then go to Debit Card details or in the Card section. If you see the Card Lock section, turn it on and your card has been temporarily locked.

Here are a few Internet Banking applications
- Download Vietinbank iPay for iOS
- Download Vietinbank iPay for Android
- Download F @ st Mobile for iOS
- Download F @ st Mobile for Android
- Download Vietcombank for iOS
- Download Vietcombank for Android
- Download Maritime mBanking for iOS
Causes of card information disclosure
There are many reasons for the disclosure of card information, as I mentioned in the first part, there are many types of scams that make users fill in the information on a certain form related to winning. So the crook will take advantage of the information gained to appropriate the money in the account.
Secondly, users often use magnetic cards, cards that have black tape on the back. This card has lower security than the EMV chip card (the card has a small piece of copper like the SIM card). typically this EMV chip card is available on VISA, Mastercard international payment cards.
You should use this card with your own bank account to ensure a safer level, but the disadvantage of this card is that when payment via POS will not use a PIN. So if anyone can pick up your card, they can pay online without a password, you should keep this card carefully.

ATM tree is also a place where crooks often get card information from there, surely you also know that they often install devices to get card information on ATM trees such as installing fake keyboards, inserting card slots and getting PIN codes. and the card number from there. So when you go to withdraw money from an ATM, be aware of the difference between the keyboard and the slot. Another advice is that you should use an ATM card to pay instead of using a card to withdraw money.
- Is the ATM card locked, withdraw money, transfer money?
- The necessary procedures when going to Vietcombank ATM card, Agribank, Techcombank, Vietinbank, BIDV
- Will losing ATM card be lost, how should it be handled?
FAQ
What should you know about instructions on how to lock bank cards 1. Lock the card via the bank's online website?
Step 1: Here I will take the example of some of the most popular banks, that is Vietcombank's website. Please log in your account number to the homepage of Vietcombank, then select Add-ons> select Next temporary card lock in the Tags tab.
What should you know about 2. Lock your bank account with the phone number?
In addition to locking the account from Internet Banking service on the website, users can also call directly to the phone number of that bank to request to lock the account, just provide the account number, card number or number. The identity card is the.
What should you know about 3. Lock bank card with Mobile Banking application?
Some banks are currently developing their Mobile Banking applications on the phone so that users can control and manage their accounts, along with these applications also have other features to serve the transfer needs. money, online payment. Including.
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