WHAT IS SSO: How Does Single Sign-On (SSO) Work?

What is Federated SSO, and How Does Single Sign-On (SSO) Authentication Work.
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In this day and age, it is more important than ever to implement SSO authentication. Through a unified authentication and authorization protocol known as single sign-on (SSO), users are granted access to several enterprise applications with just a single username and password. With federated single sign-on (SSO), a user can log in to multiple domains’ worth of applications or websites with just one set of credentials. 

What is SSO?

Users can log in to numerous websites and applications using a single set of credentials thanks to a technique called single sign-on, or SSO. SSO simplifies the user authentication process. Logging into one app automatically logs the user into all other apps in the user’s ecosystem that share the same domain, platform, or technology. This simplifies the process of remembering and reusing login credentials for a wide range of online resources.

By signing in once with Google, for instance, a user’s credentials are verified across all of Google’s affiliated services, including Gmail and YouTube, eliminating the need for the user to log in again and again. As long as there is a shared identity provider (IdP) that authenticates users and issues tokens or certificates granting access to the connected services, SSO can also function across domains or organizations.

Single sign-on (SSO) is an integral part of many IAM and access control systems. Understanding who needs what access requires verifying users’ identities. Service and identity providers exchange and validate login credentials for SSO to function. Generally speaking, a service provider (SP) is a vendor that offers goods and services to individuals and groups, like websites or applications. An identity provider (IdP) is a system that establishes, controls, and upholds user identities in addition to offering services for user authentication. Through the reduction of password fatigue, these reputable providers enhance the user experience by enabling users to use SSO to access websites and apps. 

How does Single Sign-On (SSO) Work?

SSO is an identity federation tool that is also a part of federated identity management (FIM). Identity and access management (IAM) is a framework that helps businesses securely authenticate new users and devices when they connect to a network. One of the main functions of IAM is identity verification. Assigning user access permissions and making sure users only have the minimal amount of access necessary to perform their jobs well depends on this. 

The SSO service generates an authentication token to keep track of the user’s verification status each time they sign in. This digital information is kept on the user’s browser or the servers of the SSO service, and it works much like a temporary ID card for the user. Every app that the user opens will request the SSO service. When the user logs in, the SSO service sends the app its authentication token. In contrast, should the user not have already logged in, they will be directed to do so via the SSO service. 

Because it does not store user identities, an SSO service may not always be able to recall a user’s identity. Rather, they function by comparing a user’s login details with those already on file in an identity management service or database. 

View SSO as a mediator that can verify if a user’s login credentials correspond to their identity within the database, all without the need for database management.

Benefits of Single Sign-On (SSO)

#1. Increased Productivity

SSO makes sure that users can access numerous apps or services with just one password. By doing this, you can prevent password fatigue, which is the inability of individuals to recall unique passwords for various accounts, which can result in the reuse of login credentials across various services. This poses a serious security risk since hackers can access other accounts by using passwords that are frequently used. 

Users save time by only having to sign in once to access applications. This enhances productivity levels by reducing the likelihood that they will use weak passwords or forget their login information.

#2. Fewer Help Desk Tickets

Since users only need to remember a single login to access all of their accounts, the IT support team sees a decrease in requests for password resets. IT staff will have less of a need to respond to requests to reset passwords via the help desk. Instead, they have more time to dedicate to projects that matter to the company.

#3. Stronger Security

SSO prompts users to use a stronger password. This aids them in not using the same password for different accounts. It is simpler for users to recall their passwords when they only need to use one login for multiple services. Since websites no longer need to store user credentials, this lowers the risk of cyberattacks against organizations.

However, two-factor authentication (2FA), which adds additional assurance that the user is who they claim to be, should at the very least support passwords. 

#4. Less Shadow IT Risks

When people utilize software, hardware, services, or apps that are not authorized for official use, they are engaging in shadow IT—a practice that involves circumventing security policies within their organization. By keeping an eye on which apps staff members are using, SSO helps businesses prevent this. It also enforces compliance policies and lowers the risk of data loss and identity theft. 

What is the SSO Federation?

SSO is a function of FIM that allows users to log into a wide variety of services with just one set of credentials. The benefit of using a single sign-on (SSO) service is that once a user logs in, they will have access to all of the associated applications and websites. SSO is a part of FIM’s process of granting users safe access to their accounts.

The resources that users can access are what make FIM and SSO different. For example, SSO lets users access different systems and apps that are connected to the same organization, while FIM lets users access resources from different organizations.

Users can safely access numerous online applications with a single set of login credentials thanks to a system called single sign-on, or SSO. For example, it’s what lets you browse your Gmail account in one tab and use YouTube in another tab when you sign in to your Google account. To facilitate the exchange of identities and the authentication of users across domains, a trusted relationship must be established between autonomous organizations and third parties, such as partners or application vendors, through federated identity management, also known as federated single sign-on (SSO). Through federation, users only need to log in once to a single domain to gain access to all of the services and resources available across both domains. Single Sign-On (SSO) is a subset of FIM. 

You can use the terms SSO and FIM interchangeably, but they have important distinctions. Signing in once grants you entry to all of the services and content you need within the same domain. Federated identity management facilitates single sign-on to applications from different domains or organizations. 

How does it Work? 

Federated identity management is an extension of single sign-on that enables us to gain access to multiple providers’ services with just one set of login credentials. Similar to Single Sign-On (SSO), Federated Single Sign-On (SSO) is compatible with a wide variety of authentication protocols. Using metadata and certificate configurations, trust is built between the identity provider—a system that keeps track of and authenticates user identity—and the service provider—the system the user wishes to use. After establishing a trustworthy connection, users can log in to service providers using their identity providers’ credentials. 

Range of Access and Scalability

The access that each mechanism allows is the main difference between them. While both methods grant users access to a wide variety of resources after a single login, SSO restricts that access to just one or a small group of affiliated businesses. Identity federation, on the other hand, allows users to access resources from multiple domains within the federated network.

Complexity and Cost

FIM solutions are typically more complex and expensive to run because of the much greater access they provide. They call for more careful management of resources and may necessitate specialized knowledge for setup and upkeep. For FIM to work, it is also necessary for different identity providers to develop trustworthy connections with one another.

Ultimately, FIM or SSO costs depend on your company’s size, the number of apps you want to integrate, and your security and compliance laws. With the help of federated single sign-on (SSO), users with accounts on Cloud Identity Service can easily access services offered by one or more partner companies without having to log in separately at each partner’s website.

With this setup, employees who require access to multiple services at once (Zoom, Office 365, Google Workspaces, HR Portal, etc.) only need to remember and use one set of login credentials to access them all.

Benefits of Federated SSO

  • Boost productivity: It cuts down on wasted time and helps you work more efficiently.
  • Customer Experience: It simplifies sign-in for the third-party apps that you have integrated.
  • Secured: Federated Single Sign-On (SSO) or Federated Identity Management ensures that you only need one set of credentials to access all of your online accounts. 
  • Expense Reduction And Productivity Boost Through A Single Sign-On Solution

What is SSO Authentication?

An authentication token, which can only be used once a user has been successfully identified, is generated whenever a user logs into an SP using an SSO service. The SSO service’s servers or the user’s browser store an authentication token.

The SSO service then forwards the token to the application in question to determine whether or not to grant access. Exchanged between SPs and IDPs, authentication tokens facilitate the safe transfer of sensitive user credentials like usernames, email addresses, and passwords. This is important for SSO protocols because it allows identity verification to happen independently of other cloud services.

How do SSO Authentication Tokens Work?

One of the most important parts of single sign-on (SSO) is the ability to share authentication tokens with third-party applications and services. This is what allows single sign-on (SSO) to function independently of other cloud services requiring identity verification.

To ensure that authentication tokens are genuine, they use their own set of protocols for communicating with one another. Security Assertion Markup Language (SAML) is the most widely used protocol for authentication tokens. SAML is used to create authentication tokens, much like HTML is used to create web pages.

What is an Example of SSO? 

Signing into one Google service, like Gmail, grants you access to all the others, such as YouTube, AdSense, and Google Analytics.

What is the Purpose of an SSO? 

When a user implements single sign-on (SSO), they only need to remember one set of credentials to log in to a wide variety of services, as opposed to the more traditional method of logging in separately to each one.

What does SSO mean in Workday? 

Workday Single Sign-On (SSO) enables users to log in to Workday and several other applications using a single set of credentials. This gives users the ability to access Workday and the other applications with a single click, rather than having to enter their credentials each time.

Is SSO a Security Risk? 

Similar to other methods of access, single sign-on (SSO) comes with its own set of inherent security flaws. When thinking about the safety of SSO, keep in mind that the cybercriminal will have to compromise only one set of credentials. If an adversary is successful in gaining access to your SSO account, then that adversary will also have access to all of your other authorized accounts. Even though implementing additional controls like multi-factor authentication (MFA) and session management can help to reduce these risks, being aware of the dangers of single sign-on is a crucial first step in ensuring that your company will implement a secure solution.

What are SSO Platforms?

Single sign-on, also known as SSO, is a service that enables users to log in to multiple platforms and websites by only needing to remember one set of credentials. It does this through secure sessions and user authentication. An SSO platform makes it easier to deploy and manage SSO credentials, services, and access for numerous users.

Is SSO Secure?

Single sign-on (SSO) is an excellent and modern method of managing user identities. When implemented, an SSO solution aids businesses in managing user access to internal systems and services. SSO solutions simplify the process of creating and remembering complex passwords for use with software applications. The IT staff can keep tabs on user activity, strengthen the system, and lessen security threats with the help of the SSO tool.

Conclusion 

With single sign-on (SSO), users only need to remember one login for all of their cloud-based applications, greatly simplifying both security and usability.

Managing user access involves more than just SSO. It needs to be used with activity logs, access controls, permission controls, and other tools to keep track of and manage how people use an organization’s systems. Still, SSO is an important part of managing access.

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