Android is the world’s most widely used mobile OS—and a major target for malware. These are the top Android antivirus apps we ...

Tesco is swapping barcodes for QR codes on a range of its own-brand products in a move the supermarket chain is describing as a UK "first". Scanning the QR codes with a smartphone will give shoppers ...

It’s a simple thing we encounter many times every single week – often while in a hurry. You pull up at a parking spot, scan a QR code and pay within seconds. Or you sit down at a cafe, scan a code to ...

QR codes can be great. They provide a quick shortcut when we’re trying to do everyday tasks, saving us from some annoying typing just to get something done. There’s also something satisfying about how ...

The Java ecosystem has historically been blessed with great IDEs to work with, including NetBeans, Eclipse and IntelliJ from JetBrains. However, in recent years Microsoft's Visual Studio Code editor ...

A vulnerability in Microsoft Authenticator for Android and iOS could expose login codes to malicious apps on the same device. Microsoft has released a patch. A newly discovered vulnerability in ...

QR codes are everywhere—from restaurant menus and payment links to Wi-Fi credentials and app downloads. If you’re using an Android device, scanning a QR code is quick and easy, and in most cases, you ...

Back in July, Google widely introduced a redesign of the Android QR code scanner, but then rolled it back. The updated interface is now starting to reappear. This is the QR code scanner available from ...

Michelle is Lifehacker's Associate Tech Editor, and has been reviewing games, laptops, phones, and more for over 10 years. She is based in New York City and holds a master's degree from NYU. Did you ...

Scan QR codes faster with these tips. Image: D. Griffin Jones/Cult of Mac You can scan a QR code directly from your iPhone — you don’t need to download a third ...