QR Code Security
Definition: QR code security refers to the practices and awareness needed to use QR codes safely, as malicious codes can redirect to phishing sites or malware.
While QR codes themselves are not inherently dangerous, they can be exploited by bad actors who place malicious codes over legitimate ones (quishing) or distribute codes linking to phishing websites. Always verify the URL before interacting with a scanned link.
Key points
- Quishing: QR code phishing attacks are rising
- Always check the URL before clicking
- Be cautious of codes placed over existing ones
- Never enter passwords from QR code links
- Use QR scanner apps that preview URLs first
- Businesses should use branded, tamper-evident codes
Frequently asked questions
Can QR codes contain viruses?
QR codes themselves can't contain viruses, but they can link to malicious websites that attempt to download malware.
What is quishing?
Quishing (QR phishing) is when attackers replace legitimate QR codes with malicious ones that link to phishing websites.
How can businesses prevent QR code tampering?
Use branded QR codes with logos, tamper-evident stickers, educate staff to check codes regularly, and use dynamic QR codes so you can disable compromised links.
Related terms
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