Collaborate Disseminate
QR codes are very common today, enough so that attackers are discovering ways of using them for profit. How can QR codes be used this way, and what can you do to boost QR code security and protect against these scams? What Are QR Codes Used For? QR codes — short for “quick response codes” […]
The post QR Code Security: What You Need to Know Today appeared first on Security Intelligence.
Continue reading QR Code Security: What You Need to Know Today
By Owais Sultan
If you are planning, maintaining a Bitcoin-friendly business, or just want to have an easy way of receiving crypto payments, you might want to consider using a QR code.
This is a post from HackRead.com Read the original post: How to mak… Continue reading How to make a QR code to accept Bitcoin while keeping it secure
I am aware of several ways QR code generators could pass "hidden" information "around" the QR spec. For example, if you can use the masking in a spec to ignore an area where you plan to put a logo, then you could just a… Continue reading Could QR Code Generators be passing info “over my head”?
Generally speaking most QR codes look as though they have about 50% of their cells black. If a putative QR code has 90% or only 10% of its cells black, we would reasonably conclude that it doesn’t look like a QR code. How much would the pr… Continue reading In a QR code, how much would the proportion of black cells have to vary from 50% for us to conclude that it’s probably (p<0.05) not legit? [closed]
Modern society has brought us all kinds of wonders, including rapid intercontinental travel, easy information access, and decreased costs for most consumer goods thanks to numerous supply chains. When those supply chains break down as a result of a natural disaster or other emergency, however, the disaster’s effects can be …read more
Not every build needs to be immediately useful or revolutionary. Plenty of builds are just for fun, for education, or even purposefully useless but still challenging. This clock, for example, might fit into all three categories. It’s a clock that displays time through a QR code, making it completely inscrutable …read more
QR code usage is soaring in the pandemic — but malicious versions aren’t something that most people think about. Continue reading QR Codes Serve Up a Menu of Security Concerns
Can someone confirm if the following solution is actually 2FA?
User has to install a special mobile app. When the mobile app is opened for the first time, the user is asked to associate the device with the account in the system.
On the web… Continue reading 2FA authentication with QR code
QR codes are usually associated with ASCII text like URLs or serial numbers, but did you know you can also encode binary data into them? To demonstrate this concept, [MattKC] embarked on a journey to create a QR code that holds an executable version of Snake. Video after the break. …read more
E-paper displays are unusual in that power is only needed during a screen update. Once the display’s contents have been set, no power whatsoever is required to maintain the image. That’s pretty nifty. By making the display driver board communicate wirelessly over near-field communication (NFC) — which also provides a …read more
Continue reading Hands On With a Batteryless E-Paper Display