Prevention
Unaware web users are frequently the targets of clickbait QR codes that can take them to phishing websites and subsequently capture data like personal details, credit card information, and bank account information. Scammers are continuously looking for ways to prey on unsuspecting targets. And now these fraudsters make use of QR codes to conveniently disseminate malicious links for their phishing schemes.
As already explained, QR codes cannot be hacked themselves, but the problem lays on where you are redirected to after scanning it. So, below are some practices that you can adopt to avoid this:1- Invest in a virus scanner for your devices
Smartphones are frequently used to scan and access QR codes, making them susceptible to viruses that could damage your phone or even disclose saved data. Install a virus scanner on your phones to secure them the same way you protect your computers. Some of the most popular antivirus programs for mobile devices include Avast, Norton, Bitdefender, and McAfee. When you scan a harmful QR code or browse a URL, a virus scanner alerts you. In particular, if you unintentionally click on a spam link, it can prevent you from installing malware on your device.
2- Check the QR code's placement.
Where can I find the QR code? Is it on a prominent building or an odd street corner? On what kind of surface was it printed? Scammers are constantly able to trick unsuspecting victims into downloading malware. Always verify that the QR code was generated by a reputable business. When scanning QR codes in a public place, use extra caution because they are more vulnerable to hacking.
3- Check the validity of the QR code.
Examine the small details of a QR code to confirm its validity. For instance, a poster with poor layout and many grammatical faults might not be reliable. You can also ask the owner or staff to know where the QR code takes you when scanned if it is plastered on storefronts or anywhere inside the premises of a business.
4- Check the URL in the QR code.
Most QR codes have one or more URLs that, when scanned, appear on the screen. First, the link address should start with the "https" extension to demonstrate the link's safety and security. Second, the domain name need to correspond to the name of the brand or business that is marketing the QR code. Third, the website ought to have the identical materials that are advertised on the poster. If the landing page shows a login form that flatly requests your passwords, banking information, or other personal information, do nothing and exit the page.
5- Look for a sticker that might indicate modification.
To deceive their victims, scammers frequently place stickers on existing QR code images. Scratch the print material's surface before scanning any codes to check if it has been altered or has a sticker on top.
6- Simply put: Take caution before scanning.
How can you know if a QR code is authentic? This way of thinking is similar to the "think before you click" movement. Before you scan a QR code, pause. Before aiming your smartphone at a QR code, keep in mind all the other advice listed above.
Here are some interesting documentation, if you want to read more about mitigation techniques:
How to mitigate the risk
Risks and solutions
Approach to QR Code security
