Kaspersky reports a spike in phishing emails containing malicious QR codes. Detections for these jumped from 46,969 in August to 249,723 in November – a more than fivefold growth – as cybercriminals increasingly exploit QR codes. Attackers use QR codes in emails more frequently because they provide a simple and cost-effective way to conceal malicious URLs, evading detection by many protective solutions. The number of blocked phishing emails with malicious QR code links These QR codes are often embedded directly in email bodies or, even more commonly, within PDF attachments ...