QR Code Phishing (Quishing)
A phishing attack that uses malicious QR codes to redirect victims to fraudulent sites or steal data.
Understanding QR Code Phishing (Quishing)
QR Code Phishing, also known as Quishing, is a cyberattack technique that leverages QR codes to deceive victims into revealing sensitive information, downloading malware, or granting unauthorized access to attackers. Since QR codes are widely used for payments, authentication, and website redirections, attackers exploit their convenience to trick users into scanning malicious codes.
How QR Code Phishing Works
Creation of a Malicious QR Code
Attackers generate a fraudulent QR code that leads to a phishing website, malware download, or credential harvesting page.
The QR code might contain malicious URLs, malicious JavaScript, or links to rogue applications.
Delivery of the QR Code to Victims
Email-Based Attacks: Attackers embed the QR code in phishing emails disguised as IT support requests, password reset links, or security alerts.
Physical Attacks: Malicious QR codes are placed in public areas (e.g., posters, restaurant menus, or parking meters) to lure victims.
Social Media & Messaging Attacks: Victims receive QR codes via SMS, WhatsApp, or social media platforms, urging them to scan for exclusive deals or account verifications.
Exploitation After Scanning
Phishing Page Redirection: The QR code leads to a fake login page that captures credentials.
Malware or Spyware Download: The QR code prompts users to download and install a trojanized application.
Session Hijacking or MFA Bypass: Attackers intercept authentication sessions to gain unauthorized access.
Conclusion
QR code phishing (Quishing) is an increasingly common attack vector, exploiting the trust and convenience of QR codes to bypass traditional security measures. Organizations and individuals must stay vigilant, verify QR codes before scanning, and adopt strong cybersecurity measures to prevent credential theft, malware infections, and unauthorized access.