QR codes have become a ubiquitous tool in recent years, offering quick access to websites, apps, and services with just a simple scan. While they provide convenience, QR codes also present a potential risk as cybercriminals are increasingly using fake versions to deceive users.
One emerging scam, known as “brushing,” involves sending unsolicited packages containing fake QR codes to recipients. The lack of sender information on these packages sparks curiosity, leading individuals to unknowingly scan the codes and expose themselves to fraudulent activities.
Research by cybersecurity firm NordVPN indicates a growing trend in QR code attacks, with an estimated 26 million people possibly falling victim to malicious websites through fake QR codes. According to Marijus Briedis, NordVPN’s chief technology officer, QR codes have become an unsuspecting entry point for cybercriminals, as they often appear trustworthy compared to traditional phishing methods.
To stay safe from QR code scams, users are advised to verify the source of the QR code before scanning, avoid suspicious links, keep security software updated, and educate others on potential risks. Despite the convenience QR codes offer, caution is crucial to prevent personal data theft and other cybercrimes.
The QR code, originally developed in 1994 by Masahiro Hara and his team at Denso Wave in Japan, was initially created for efficient tracking of automotive parts. Following the decision not to enforce patent rights, QR codes gained widespread adoption beyond manufacturing into various sectors such as marketing, payments, and authentication. Their popularity surged globally, especially during the COVID-19 pandemic, for touchless interactions like menu browsing and payments.