QR codes, a modern innovation, have become ubiquitous in recent times, offering convenience but also posing risks. These scannable images, found on Android and iPhone devices, facilitate quick access to websites, app downloads, streaming services, and payment options. While they streamline tasks, QR codes have a dark side, with numerous individuals falling victim to counterfeit versions aimed at stealing personal information.
Instances of QR code attacks, though not new, are on the rise and becoming more sophisticated. A concerning scam called “brushing” involves sending unsolicited packages containing fake QR codes to recipients. The lack of sender details on these parcels sparks curiosity, leading recipients to scan the code for information, inadvertently exposing themselves to potential fraud.
Victims of such scams may unknowingly divulge sensitive data, enabling cybercriminals to engage in financial theft or further fraudulent activities. According to cybersecurity firm NordVPN, the issue is escalating, with an estimated 26 million people possibly redirected to malicious websites through fake QR codes.
Marijus Briedis, NordVPN’s chief technology officer, highlighted the deceptive nature of QR codes, noting that unlike phishing emails, physical QR codes often appear trustworthy, making them an entry point for cybercriminals. Briedis advised treating unexpected QR codes with caution, similar to suspicious links in emails.
To safeguard against QR code scams, here are four essential tips:
1. Verify the source of a QR code before scanning it. If uncertain, refrain from scanning and contact the sender directly.
2. Utilize the preview feature on smartphones to check website links before opening them. Avoid proceeding if the link seems suspicious.
3. Keep your phone’s security software updated and use a VPN while browsing to enhance protection against malicious sites.
4. Educate friends and family, especially those less tech-savvy, about QR code safety measures to prevent falling victim to scams.
While QR codes simplify tasks, it is crucial to exercise caution when scanning them on smartphones and refrain from sharing personal data without verifying the code’s legitimacy.
The inception of the QR code, developed in 1994 by Masahiro Hara and Denso Wave in Japan, aimed to enhance the tracking efficiency of automotive parts compared to traditional barcodes. Denso Wave’s decision not to enforce patent rights led to widespread adoption beyond manufacturing, extending to marketing, payments, tickets, and authentication. The QR code’s popularity surged globally in the 2010s and saw exponential growth during the COVID-19 pandemic, particularly for contactless interactions like menus, check-ins, and payments.