Detailed write-up: https://www.getastra.com/blog/911/how...
For immediate help: https://www.getastra.com/website-clea...
Credit Card malware or Credit Card Hijack is when malicious PHP/JavaScript code is injected into Magento and OpenCart shops which allows hackers to intercept credit card data. This new way of credit card fraud has been undetected for 6 months.
Some of the symptoms of such kind of a hack is as follows:
1. Credit Cards of customers have been used to make fraudulent transactions
2. Errors while trying to purchase items on the store
3. Checkout process is slow and gets stuck
4. Unknown popups & messages on the website
5. Logging in to the admin area takes longer
For immediate help: https://www.getastra.com/website-clea...