Question
A company wants to set up single sign-on (SSO) without passing credentials through to each piec Which protocol would meet this requirement? Kerberos OAuth VIDN
Ask by Perkins Simmons. in the United States
Feb 02,2025
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Answer
Kerberos is the best protocol for implementing single sign-on without passing credentials to each application.
Solution
To implement Single Sign-On (SSO) without passing user credentials to each application, **Kerberos** is the most suitable protocol among the options provided.
### **Why Kerberos?**
1. **Ticket-Based Authentication:**
- **Kerberos** operates using a ticketing system where a **Ticket Granting Ticket (TGT)** is issued after the initial authentication. This TGT can then be used to obtain service-specific tickets without re-entering credentials.
2. **Secure Credential Handling:**
- It ensures that user credentials (like passwords) are never sent over the network after the initial authentication, reducing the risk of interception.
3. **Mutual Authentication:**
- Both the user and the service verify each other's identities, enhancing security.
4. **Widely Supported in Enterprise Environments:**
- Kerberos is extensively used in Windows-based environments and is supported by many enterprise applications for SSO.
### **Why Not OAuth or VIDN?**
- **OAuth:**
- Primarily designed for **authorization** rather than authentication. While OAuth can be part of an SSO solution, it typically requires additional protocols (like OpenID Connect) for authentication purposes.
- **VIDN:**
- It appears there might be a typo or misunderstanding regarding "VIDN," as it is not a recognized standard protocol in the context of SSO.
### **Conclusion**
For an organization seeking to implement SSO without passing credentials to each application, **Kerberos** stands out as the appropriate and secure choice among the listed options.
**Answer:**
Kerberos is the protocol that best meets the single sign-on requirements described.
Reviewed and approved by the UpStudy tutoring team
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Simplify this solution The Deep Dive
SSO's simplicity is its superpower, and one hero that fits the bill is Kerberos! This protocol allows users to authenticate once and receive a ticket-granting ticket, which can be used to access multiple services securely without passing credentials around—keeping those sensitive bits under wraps and your data safe! Now, let’s sprinkle in some real-world application. Many organizations rely on Kerberos for managing access in environments like Active Directory. It’s the secret sauce behind the scenes that allows employees to switch between applications seamlessly without the hassle of entering passwords repeatedly, boosting productivity and user satisfaction!
