QRL Jacking is a technique used by hackers to access WhatsApp Web sessions without physically interacting with the victim's device.The attacker sends a malicious link to the target device, tricking them into scanning their WhatsApp QR code.By capturing the WhatsApp Web session, the hacker can read, spy on, or respond to messages.The QRLJacking tool, when used along with the Firefox browser, allows the attacker to carry out this technique.