6 Things You Need to Know About Knowledge-Based Authentication

User authentication is one of the most challenging problems plaguing today’s digital world. Major applications and websites are constantly being hacked, and impersonators use fake accounts to steal information or sell it to third parties. It can be time-consuming to keep track of username and password combinations, especially if you have to reset your password every few weeks or months.

To combat this problem, companies have been working on different authentication solutions, which they hope will reduce the number of account hijackings and help keep users secure without forcing them to remember multiple passwords. This is where knowledge-based authentication comes in.

  • What is Knowledge-Based Authentication (KBA)?

Knowledge-based authentication (KBA) is a type of authentication that leverages a user’s existing knowledge of a subject to help them prove their identity and access a system. For example, if you’re logging into your bank account, you may be asked to choose between two security questions that relate to your financial situation. You can select the answer you know best from memory. The system recognizes that you’re an experienced user and therefore has more confidence in you being authorized to access your account.

2. Benefits of Knowledge-Based Authentication

  • It reduces password sharing. KBA technology helps reduce password sharing among users. This is particularly beneficial in healthcare and financial services industries, where the risk of users sharing sensitive information is high.
  • It is more secure. KBA can improve security by leveraging the user’s knowledge of their situation to help prove their identity.
  • It is easier to use. Most KBA systems are simple and easy to use, requiring users only to enter their username and password.
  • It is cost-effective. By leveraging on-device security features like biometrics, KBA can be more affordable than traditional password-based authentication.
  • It is ideal for older users. Traditionally, older users have been at a greater risk of forgetting their passwords and logging into their accounts using saved usernames and passwords. KBA can improve the security of these users by helping them prove their identity.

3. How Does Knowledge-Based Authentication Work?

KBA technologies fall into three categories:

  • Human-machine interface (HMID). This is the interface between the user and the technology that enables KBA. It’s usually a mobile app, browser extension, or hardware device.
  • Neural network engine (NNSE). This is the neural network that makes up the KBA solution. It’s usually an AI or Machine Learning-based solution.
  • User biometric sensor. If you’re concerned about the security of your online accounts, then KBA is a great solution. This sensor proves the user’s identity, usually a biometric like facial recognition, fingerprint, or voice recognition.

4. Why Should You Care about Knowledge-Based Authentication?

The security of your online accounts is critical. According to a recent study, many cybercrimes are caused by weak passwords. The risk of a data breach is only expected to increase as more people continue to share their passwords across all platforms and services. Implementing knowledge-based authentication (KBA) into your password management strategy is the best way to prevent this cybercrime.

While KBA is a great way to prevent a data breach, it’s important to note that there are major benefits to using this type of authentication across all platforms. These include improved security and ease of use, which can help older and more vulnerable users feel more confident in logging into their accounts.

KBA can be implemented on all devices, including computers, smartphones, or tablets. Before implementing KBA, reviewing your current strategy and implementing any necessary changes is important.

5. Consider each access point

Whether sensitive data is stored on-premises or in the cloud, businesses must authenticate access to every piece of sensitive data. They should use the same security measures for remote access to the company’s network and cloud data. Additionally, businesses should provide security measures to securely authenticate individuals that access their network’s resources via mobile devices such as smartphones or tablets.


6. Prioritize Transparency and User-friendliness for Best Results

Administrators and users need authentication environments that are transparent and convenient. They also need to handle all their users’ devices and resources to identify areas that require improvements to reduce IT costs. They require automation, visibility, and central management of user access to multiple resources to accomplish this. Administrators must possess granular controls and comprehensive reporting skills.

Furthermore, you should have multiple authentication strategies to facilitate user-friendliness. Companies should provide users with an authentication device that matches their security profile and role to expedite user access and enforce security restrictions.

They can provide multiple authentication techniques, including context-based authentication via phone tokens, SMS, or hardware tokens. Providing many authentication methods aids in ensuring compliance and user acceptance.



The rise of cybercrime and hacking has made consumers more vulnerable than ever before. As more sensitive data becomes digitized, it’s becoming increasingly difficult to safeguard against cyberattacks and other forms of online fraud. 

If you’re concerned about the security of your online accounts, then KBA is a great solution. KBA is becoming increasingly important in online authentication, as it allows you to use one password across all your accounts, but with better security. It can help prevent malicious attacks by leveraging on-device security features like biometrics and neural networks.

The more you know about KBA, the more you can learn how to keep yourself and your loved ones safe online. To prevent unauthorized users from accessing personal information, you should implement a KBA solution as soon as possible.


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