How QR codes work—and what makes them dangerous

April 13th, 2022 Posted by Life and Culture, Security & Surveillance, Small and Medium-Sized Businesses (SMBs), Technology 0 thoughts on “How QR codes work—and what makes them dangerous”

“The resurgence of the QR code is at once a blessing and potentially a curse.”

Glenn Baruck, The eDot Family of Companies


Once somewhat underutilized, the pandemic brought renewed interest in and the widespread use of QR codes. The big attraction in the revival of QR codes is their ability to help people avoid physical contact with objects previously handled by thousands, like restaurant menus, pens for email list sign-ups, appointment check-ins, etc. As innocent and convenient as they may seem, QR codes can be dangerous if deployed by bad actors with criminal intentions.

Learn about the QR code’s makeup and potential dangers in this brief piece by Scott Ruoti for fastcompany.com.


Read More

Learn more about Chicago Voice & Data

Archives