Skip to main content
Dev Corner
User Identity Management

User Identity Management

Protecting your data and ensuring that only authorized people have access to it is of utmost importance. With that in mind, I wanted to talk about a few popular user identity management methods most devs have used, emphasizing the pros and cons.

User Identity Management

User identity management, identity management, and identity and access management are interchangeable terms today, so much so that we tend to forget they explain the same thing. Authentication and authorization are two defining security measures here. Let us clarify the difference between the two concepts often used together in the tech industry.

Authentication is the process of verifying the identity of a user, device, or system. It typically involves the user providing some form of credentials, such as a username and password. The system checks those credentials against a list of known users to confirm their identity. Authentication aims to ensure that the user is who they claim to be.

Here is a good read about authentication within the Crystallize verse.

On the other hand, authorization is the process of determining what actions a user can perform once they have been authenticated. This typically involves checking the user's identity and roles or permissions to determine what resources or services they can access. The goal of authorization is to ensure that the user can only access the resources or services they are authorized to access.

Why Does it Matter to Have a User Identity Management System?

It is an essential part of security because it ensures that only authorized users can access resources and services, and by having a user identity management method in place, companies can:

  • Protect data from unauthorized access
  • Comply with regulations
  • Reduce the risk of human error
  • Provide overall user experience

Let’s break these down a bit.

Protect Sensitive Data and Resources from Unauthorized Access. With proper user identity management, companies can ensure that only authorized users can access sensitive data and resources, such as financial records, personal information, and company secrets.

Comply with Regulatory Requirements. Many industries are subject to regulations that require companies to implement specific identity management controls.

Improve Efficiency and Productivity. By automating the process of user identity management, companies can save time and resources and reduce the risk of human error.

Enhance Auditability. With user identity management, it is possible to track and log every access to sensitive data, which can be helpful for compliance or incident response.

Provide a Better User Experience. With Single Sign-On (SSO) or other identity management methods, users can access multiple applications and services with a single set of credentials, providing a more convenient and seamless experience.

User Identity Management Solutions


WWW-Authenticate is an HTTP header used in an HTTP response to indicate that the server requires authentication. It's typically used with the 401 Unauthorized status code returned by a server to indicate that a client's request requires authentication. This can be used, for example, when a user attempts to access a protected resource on a website, such as a user's account page, without first providing their login credentials.

Session cookies or HTTP cookies

A session cookie or HTTP cookie is a type of cookie stored on a user's device when they visit a website. It is used to maintain a user's session, allowing them to remain logged in to the website or application for a certain period without requiring them to enter their credentials on each page load. For example, when a user logs into an online shopping website, a session cookie is created to keep the user logged in while they browse the website and add items to their cart.

JSON Web Token (JWT)

JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties, the server and the client. It is often used for authentication and authorization purposes. For example, a JWT can be included in an HTTP request to an API to authenticate the user and authorize them to access specific resources. is an excellent resource to help you out.


A token is a string of characters representing authorization to perform a particular action. For example, tokens are often used in authentication and authorization systems to grant access to resources or services. For instance, in the Crystallize universe, we can use the X-Crystallize-Access-Token-Id and X-Crystallize-Access-Token-Secret to communicate with the orders API, as explained here.

Single Sign-On (SSO)

Single Sign-On (SSO) is an authentication method that allows users to log in to multiple applications or services using a single set of credentials. For example, this can be useful in a workplace where employees need to access multiple internal systems but only want to remember one set of login details.

OAuth 2.0

OAuth 2.0 is an open standard for authorization that allows users to share their private resources (e.g., photos, videos, contact lists) stored on one site with another site without handing out their credentials, typically username and password. So, for example, a user can use their Facebook account to log in to a third-party website and then grant the website access to their Facebook friends list without sharing their username and password.


We are not affiliated with any of the following companies. Some of these are offering Identity Management Software as a Service. However, many other companies provide similar services, so do your research first. Here are some of the services we’ve worked with in the past that might help you:

Best Practices for User Identity Management

Whichever solution you opt for, there are general recommendations, i.e., best practices for your user identity management.

Strong Password Policies. Strong authentication methods can significantly reduce the risk of unauthorized access from malicious actors. Don’t be afraid to require strong and unique passwords and even enforce periodic password changes. Another solution is multi-factor authentication, which brings us to the next point.

[Aside]. Don’t forget sensitive information such as passwords should always be encrypted when in transit, i.e., when the user submits the password for authentication.

Multi-factor Authentication. By opting to enforce multi-factor authentication, you guarantee that users must provide two or more pieces of evidence that they are who they claim to be. It also protects you and your business from password leaks since someone with bad intentions with access to a password will need more than that to access the systems. Here is an excellent example of how MFA stopped a phishing attack.

Regular Updates and Maintenance. Regular software updates often include security patches that address known vulnerabilities. We are preventing security breaches and protecting sensitive information by keeping systems up-to-date. Those maintenance updates can also solve bugs and performance problems, improving overall stability and reliability.

User Education and Awareness. User education and awareness are essential components, as they help to empower users to be responsible and proactive in protecting sensitive information. One good example is explaining why a password manager is a good option instead of memorizing passwords or, worse, having the same password for all websites. There are other points that users might not be aware of.

Still, they are crucial. Let’s take a look:

  • Security threats such as phishing attacks, malware, and social engineering can harm a company. Teach your users how to respond to security incidents.
  • Teach them about safe practices for using personal devices, such as avoiding public Wi-Fi networks and installing security software. Companies can help to reduce the risk of security incidents caused by unsecured devices.
  • Tell them how to report security incidents. Companies can ensure that any potential security breaches are quickly detected and addressed.

Final Thoughts

In summary, user identity management helps companies secure their resources, comply with regulations, improve efficiency and productivity, enhance audibility, and provide a better user experience.

As always, there is no one best solution or choice on which method to choose, and it will always depend on the specific requirements of the project at hand and the preferences or technical knowledge of the team implementing it.