They can be a convenient way to provide a touchless customer service experience. QR codes have the potential to save time and help connect you to important services. QR codes can do so much more than simply display a website. Keep Your Data and Device Safe from Malicious QR codes Phone cameras can scan barcodes and QR codes alike.
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Most modern mobile phones already contain an integrated QR code scanner. Avoid Third-party QR Code Scanning AppsĪvoid downloading a separate QR code reader because they could be malicious. They can alert you to a potentially malicious code. QR screening tools check the destination of URLs and examine actions being requested by a scanned QR code. Screen QR Codes with a Security AppĬonsider using a QR code screening app from a trusted anti-virus scanner. Go directly to the brand's website to locate information advertised with a QR code. It’s always best to avoid shortened links from unknown sources.
QR codes that lead to a shortened link should be avoided. Link shorteners are commonly used to disguise links to malicious websites. Avoid sharing personally identifiable information, login credentials, or payment data. Phishing sites are designed to look like legitimate websites. Don’t Share Personal or Payment InformationĬonsider the consequences of providing payment data to a malicious website. Choose to scan codes provided by trusted resources only. Be wary and check for a sticker overlay before scanning. Printed codes can easily be covered with stickers. (Read also: 5 Issues That the Mobile Device Industry Needs to Solve, Pronto.) Don't Blindly Trust QR CodesĬonsider the source and look for evidence of tampering. Below are a few ways to prevent accidental exposure of your information. Since malicious QR codes aren’t easily recognizable, it’s best to be cautious about using them.
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Exploit QR Coder Reader VulnerabilitiesĪn attacker could gain control of all or parts of a phone's operating system, exploiting vulnerabilities through QR code reader software using a command injection or buffer overflow. Spam events like this can be an annoyance and may also contain malicious links or include social engineering content to urge victims to take an action. QR codes can be used to create calendar events in your phone’s calendar. Other malware on the device can also take advantage of the location data. This information can be saved and sent to an attacker’s server at a later date. QR codes can be used to enable location on your device which can reveal your location or steal information about your network and device.