QR codes are generally scanned by a smartphone camera to visit a website. It is also described as QRishing by some security researchers. Phishing is the main security issue involved with QR codes. And now, his/her password is in the hands of the attacker. When an innocent user use this fake page to login, his/her login information is sent to the attacker. Attackers send a fake web login page which pretends to be the original login page of the website it’s claiming to be. Phishing is a popular way of hacking web accounts. In this section, I will discuss all the security risks involved with QR codes. So, there are various security risks involved with QR codes. Security Risks Involved with Use of QR CodesĪs I already discussed, QR codes can be malicious. And there are various reports in which we have seen the malicious acts. But It can be malicious and hackers can use a QR code for various malicious purposes. You will certainly see different patterns in both QR codes. Two QR codes with different actions will never be the same. But that QR code will not be the same as the legitimate QR code. QR codes can be malicious and can trigger malicious action. Hacking a QR code means manipulation of the action without modifying the QR code. Can QR codes be hacked?Ī QR code is the square matrix with small black square dots arrangement. The lifespan of the QR codes is unlimited, so you do not need to worry about lifespan. Once a QR code is generated, it can be used anytime, anywhere. QR code does not need any platform for redirection, but it has data within it. This is a question about QR code people generally ask. You can use any of the above tools to generate your own QR code. Different tools have different abilities. If you want to generate a QR code with specific information, you can use these tools, which let you create QR code for URL, text, vCard, SMS, call, geo-location, event, email and login. There are various tools available for this. So, other persons can simply scan the QR code to save the contact details in their smartphone. Now people also include QR code in their business cards. Another popular use is on a business card. This is why many websites’ poster ads now contain QR code. You can quickly open a website just by scanning a QR code and you do not need to manually type the URL in your smartphone. QR codes are really useful and help us to complete tasks faster in smartphones. Nowadays QR codes are being used to display text to users, to save a vCard contact information to the user’s smartphone, to open a website URL, to code payments, for website login (ex: WhatsApp web login) or to compose an e-mail or text message just by scanning a QR code. You will be surprised to know that the QR code was invented back in 1994 by Denso Wave. It was initially developed for the automotive industry in Japan, but now it is being used by many companies. QR code (or Quick Response code) is a matrix bar code which can be read by an imaging device (camera) and then processed to read its data. I will also try to cover all the potential security issues related to QR codes. In this article, I will discuss QR codes in details. This is why scammers are now using malicious QR codes for tricking users. But most users are not aware that QR codes can also be malicious. This is why people like to use QR code scanning for general tasks. For example, scan a QR code and save the business card details in your smartphone. With the scan of a QR code, we can perform various tasks which would otherwise need a lot more effort. Due to fast readability, it is now widely accepted. Our smartphone camera can easily read it with the help of a QR code scanner app. It is very similar to a bar code we see in products, but it does not need a different reader. So, many people now know what QR code is, but still more are unaware. Recently, WhatsApp launched its web version, which needs QR code scanning to access the web version of WhatsApp. With the increasing use of smartphones, QR codes are becoming popular.
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