Complete Guide: How to Safely Scan QR Codes

QR code was initially introduced in the mid-1990s; these two-dimensional barcodes have evolved from their initial purpose of tracking vehicles to a versatile tool for transmitting information, accessing digital content, and enhancing user experiences.

It is said to be the modern-day key to bundles of information. Today will be able to see these codes at a lot of places like restaurant menus, advertisements, or even on the documents of your country.

Online money transfer is another major aspect of QR codes. Almost every shop owner provides the code to their customers to transfer direct payment into the owner’s bank account.

A recent QR code study revealed that the number of QR code scans increases every year, showing how much people have adopted using the new technology. However, before using these things, you must know about their aspects, such as advantages and disadvantages.

What are QR codes?

QR codes are also known as Quick Response codes. They are two-dimensional barcodes with a pattern of black squares on a white background.

They are designed to be easily scanned and interpreted by smartphones, tablets, or QR code readers. QR codes were used to track vehicles during manufacturing processes. Slowly they gained huge popularity and became famous in other sectors too.

QR is known as a data bank, as its codes can store various types of information, such as URLs, contact details, and texts.

The QR code is decoded whenever someone scans the code with a compatible device or application, and the stored information is accessed or executed.

This technology provides a convenient and efficient way to transmit data or access digital content without manual entry or typing. They serve as a bridge between the physical and digital worlds, providing a simple and efficient method for transferring information and enabling interactive experiences.

The Rising Popularity and Ubiquity of QR Codes in the Digital Age

In recent years, QR codes have experienced a significant surge in popularity and have become increasingly ubiquitous in our digital age.How to safely scan QR codes remains one of the most common questions for people. Let’s explore the factors contributing to the widespread adoption of QR codes and their impact on various industries.

1. Enhanced Smartphone Usage

One key driver behind the popularity of QR codes is the widespread adoption of smartphones. With most people now carrying powerful handheld devices with high-resolution cameras and internet connectivity, scanning QR codes has become convenient and accessible. Users can simply point their smartphone camera at a QR code and decode the information contained within it with the help of dedicated apps or built-in features.

2. Efficient and Contactless Interactions

COVID-19 worked as a boost for QR codes. As businesses sought ways to minimize physical contact and maintain hygiene protocols, QR codes emerged as a vital solution. Restaurants, retailers, and service providers quickly embraced QR codes to offer touchless menus, contactless payments, and digital check-ins. Accessing information or completing transactions by scanning a code provided a safe and efficient alternative to traditional methods.

3. Marketing and Advertising

These codes have also become one of the most valuable aspects for many marketers and advertisers. QR allows them to fill the void between the experience of online and offline resources. Adding codes to advertisements, packaging, promotional materials, and billboards will help businesses achieve their target audience better. With the help of technology and QR, people can get every additional product detail within seconds. Apart from this, customers can also access information like exclusive discounts or video reviews of products. It will enhance the customer experience, ultimately leading to better target achievement.

4. E-commerce and Payments

Technology has completely changed the way of payment and e-commerce and taken them to another level. It is now easier for people to accept and pay money with the help of QR codes. Mobile payment methods have become popular globally because of how convenient they are. They have also made the online shopping experience better than before. Users can quickly add items to the cart just by scanning the codes.

5. Integration in Various Industries

The use of QR codes is not limited to a specific industry but spans various sectors. They can be found in transportation systems for ticketing, museums and galleries for providing additional information about exhibits, real estate for virtual tours, and even healthcare for accessing patient information or facilitating prescription refills. The versatility of QR codes makes them adaptable to different scenarios, making them an attractive technology for countless applications.

How to Protect Yourself from QR Code Fraud?

As the popularity of QR codes continues to rise, so does the risk of QR code fraud. Cybercriminals are finding new ways to exploit this technology to deceive unsuspecting individuals and gain unauthorized access to personal information or financial accounts. To protect yourself from QR code scams and fraud, you must know the risks and follow best practices. Below are effective strategies to avoid QR code fraud and safeguard your digital security.

● Check for Signs of Tampering

Before scanning a QR code, inspect it for any signs of tampering. Fraudsters may attempt to overlay their own QR code sticker on top of an existing legitimate one, leading to unintended consequences. Look for irregularities in the design, such as misalignment or poor printing quality. If in doubt, seek an alternative method to obtain the desired information or service.

● Enable Security Features on Your Device

Ensure that you have security features enabled on your smartphone or scanning device. It includes regularly updating your operating system and apps to the latest versions, enabling device lock screens with secure passwords or biometric authentication, and using reputable security software to protect against malware or phishing attempts.

● Stay Informed and Educated

Keep yourself informed about the latest QR code fraud techniques and scams. Stay updated on common types of QR code fraud, such as fake payment codes or malicious codes that lead to phishing websites. By staying vigilant and informed, you can better protect yourself from falling victim to QR code scams.

● Use Trusted Scanning Apps

When scanning QR codes, ensure that you use a reputable and trustworthy scanning app from a reliable source. Stick to well-known apps from official app stores, as they are more likely to have robust security measures. Be cautious of unknown or third-party scanning apps that could be malicious and designed to exploit vulnerabilities in your device.

● Verify the Destination

Before scanning a QR code, carefully examine the destination it leads to. If the code is printed on a physical object or public space, ensure it is legitimate and authorized. Avoid scanning codes from unknown sources or suspicious websites, as they may redirect you to malicious websites or initiate unauthorized downloads.

● Be Cautious with Personal Information

Exercise caution when a QR code prompts you to enter personal information such as your name, address, or banking details. QR codes should typically be used for information retrieval rather than data submission. Avoid providing sensitive information unless you are confident in the legitimacy and security of the source.


  1. Does a QR code expire?

Ans. There is no actual expiry date associated with QR codes, but they might get outdated sometimes because of their information.

  1. Is it Possible to Scan a QR Code Without the Internet?

Ans. No, to retrieve information or data from a QR code, you need to connect your device to an internet connection.

  1. Where are QR Codes Used Commonly?

Ans. Today you can find QR codes everywhere because of technological advancement. Museum exhibits, mobile payment, or restaurant menu cards are the most common places.


QR codes can become a great source of information. These codes have several benefits as they can be useful in payment and e-commerce, accessing information, and many more things. Always stay secure while using them because the rise of technology has also led to many frauds. You can safely scan the QR and get what you want with the proper knowledge.

Author: 99 Tech Post

99Techpost is a leading digital transformation and marketing blog where we share insightful contents about Technology, Blogging, WordPress, Digital transformation and Digital marketing. If you are ready digitize your business then we can help you to grow your business online. You can also follow us on facebook & twitter.

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