Opinions expressed by Entrepreneur contributors are their own. We all use bar codes to buy things. Now small businesses may be able to use them to sell things. For pure techno hip factor, it’s tough ...

Free two-factor authentication apps usually come with a catch. They have limited features, poor sync, or questionable security. But Proton Authenticator breaks this rule, and it's better than most ...

With these generators, you can create professional-looking QR codes that users can quickly scan, leading to increased engagement with your business or personal brand ...

From their humble beginnings as tools for the automotive industry to being major players during the COVID-19 pandemic, QR codes have come a long way to become must-have tools for marketing and ...

Yes, two-factor authentication is a crucial layer of security to add to your online accounts, but you remain vulnerable to hacks if you receive the codes via text message. A better way to manage these ...

One of the most effective ways to stop your online accounts from being hacked is to turn on two-factor authentication. The security measure, often known as 2FA or multifactor authentication, requires ...