Losing hundreds of millions because of being ‘hacked’ Visa accounts: Security holes come from banks?

As Dai Doan Ket newspaper has reflected, in recent days, there has been a stir on social networking sites with information that Visa cardholders (international debit cards) have had their accounts hacked and appropriated with large amounts of money. Worth mentioning, most of these scams stem from payments running ads on the social network Facebook (Facebook Ads). Some victims have their accounts deducted up to hundreds of millions of dong.

According to the lawyers, this behavior is professional, large-scale and sophisticated, causing danger to society and violating the law.

6 reasons for leaking information

Analyzing the source of funds leading to information leakage, security expert Ngo Minh Hieu analyzed, there are many main problems that can lead to loss of credit card information. However, some key integers can be mentioned as follows:

1. Users use crack software or extensions that contain malicious code, leading to data information being entered and saved on browsers, computers, phones… Leads to stolen card information .

2. The user has visited and entered information into a fake phishing website for the purpose of stealing card information.

3. Card information leaked from eating at restaurants, restaurants, or places of purchase and sale with POS devices (the crooks can take pictures of the front and back of the card or use a device to steal information. attached to the POS device).

4. Stealing information through ATMs – usually crooks will use equipment bought abroad or homemade to assign to the ATM PIN pad, and the Insert Card part of the ATM. Some use micro-cameras to record stealthily.

5. One of the trading websites, e-commerce platforms, banks or e-wallets was hacked, leading to the disclosure of card data.

6. Used to take pictures of card information and send it via text message, leading to when crooks hacked Facebook accounts or other social network accounts, crooks saw all card information and made illegal transactions. main.

Answering PV’s question about whether there is a security hole in the banking system, expert Ngo Minh Hieu affirmed that this situation has not been recorded yet.

Be careful with Visa card

Giving a warning, the expert emphasized, when suffering from one of the above cases, users need to immediately lock the card and ask the bank to make a new card. Report immediately to the bank you are using, in order to get your money back, and report to the nearest authorities where you are.

Review all your card usage activities, which apps and web sites you have been using, which you feel are not reputable and unsafe.

In addition, when using the card for transactions, you should be careful and observe whether the person holding the card and the device you are using to swipe the card is safe or not. If you feel unsafe, stop trading.

In addition, it is advisable to destroy all invoices that show some of your card information or identity.

When using an ATM for transactions, it is advisable to choose an ATM where there are many people, the possibility of danger will be less.

Report the scam to ChongLuaDao.vn and thanhbao.ncsc.gov.vn immediately. And see more tutorials at dauhieuluadao.com.