Redirecting to malicious websites and attempting to withdraw money from cards are security issues when using QR codes. It is impossible to encounter these situations when QR codes are used carefully and checked thoroughly. However, in some cases, scammers exploit QR codes for malicious purposes. They insert links redirecting to fake websites into QR codes, and when the user scans them, they encounter malware or phishing content. This sometimes leads to the theft of the user's personal and financial information. You can address and resolve these issues by reviewing the QR code security guide.