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QR codes encode data - usually a URL - that your phone reads and opens. Attackers exploit this by encoding links to malicious destinations. The most common attack vectors include:
Real-world QR code scams are becoming more sophisticated. Here are the most reported cases:
Follow these steps to protect yourself every time you scan:
If you're creating QR codes for your business or personal use, follow these best practices:
Create a free QR code with Link2QR or learn more about QR code reliability.
Many people worry about entering their URLs or data into online QR code generators. The concern is valid - some services log your data, track usage, or inject redirects.
Link2QR processes everything in your browser. Your data never leaves your device - no server uploads, no data stored, no tracking. The QR code is generated entirely client-side.
Before you trust a scanned QR code, run through this quick checklist:
No, QR codes can't contain executable code or viruses. They can only store text/URLs. The risk is if the URL leads to a malicious site.
Scanning a QR code alone cannot hack your phone. But following a malicious link could lead to phishing or malware downloads.
Use a QR scanner that previews the URL before opening, like Link2QR Scanner. Verify the domain matches what you expect.
Generally yes, but check that the code isn't a sticker placed over the original. Verify the URL matches the restaurant.
Yes, if the site processes data locally (in-browser). Link2QR never sends your data to any server.
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