QR codes have become a ubiquitous tool for quick access to websites, apps, and services using smartphones. However, they also pose a threat with the rise of fake QR codes targeting users for personal data theft.
Recent reports indicate a surge in QR code attacks, particularly with a new scam called “brushing.” Criminals send packages with fake QR codes to unsuspecting recipients, enticing them to scan the codes to reveal sender information or return instructions, ultimately exposing themselves to potential fraud.
Cybersecurity firm NordVPN’s research suggests a growing issue, estimating that over 26 million individuals may have fallen victim to malicious websites through counterfeit QR codes. Marijus Briedis, NordVPN’s chief technology officer, emphasizes the need for caution, comparing QR codes to phishing emails in terms of trustworthiness.
To safeguard against QR code scams, users are advised to verify the source before scanning, scrutinize website links, keep security software updated, and educate others on potential threats. While QR codes offer convenience, vigilance is crucial to prevent data breaches and financial loss.
The history of QR codes dates back to 1994 when Masahiro Hara and his team at Denso Wave in Japan created them for efficient part tracking in the automotive industry. The decision not to patent QR codes led to their widespread adoption in various sectors, from manufacturing to marketing, payments, and authentication. Their popularity soared globally in the 2010s and further spiked during the COVID-19 pandemic for touchless interactions like menus, check-ins, and payments.