Questions tagged [single-sign-on]
Single Sign On (SSO) is the process of authenticating once against a single system to gain access to multiple (often unrelated) systems.
42
questions
1
vote
0answers
48 views
How can I authorize access to a resource without knowing who I've authorized?
I have a database-backed web application, with authentication via
organizational single sign-on, modeling a library lending system for
digital books. I'd like to allow users to check out books and see ...
0
votes
0answers
24 views
Multiple user specific APIs with a single Authentication Server
I’m currently in need of some clarification for an authentication/overall strategy. First I will describe the use case and then the questions that arise for me.
Use Case
I want to have a single docker ...
1
vote
0answers
62 views
Implement an SPA with IFrames, but with Single Sign-on
I want to build an SPA with ASP.NET Core (Blazor server side) which some IFrames redirecting to other applications. In this example I have f.e. the SPA, Grafana to show graphs and Node-Red, but there ...
1
vote
1answer
70 views
SSO SAML2: validating/verifying the SAMLResponse at the ACS
So it's unclear how much more security needs to happen at the ACS point.
I can see that the IDP signs a signature that involves a certificate and private key.
The SP can verify the signature with the ...
1
vote
2answers
157 views
Is it safe to pass an OpenID Connect ID token to my back-end API for verification?
I am currently adding single sign-on functionality between my application and an electronic health record (EHR) system. The SSO is done using the OpenID Connect authorization code flow, but unlike a ...
4
votes
3answers
6k views
Should I disable TLS 1.0 and TLS 1.1 support on my web servers
Currently, my webserver support
TLS 1.0
TLS 1.1
TLS 1.2
One of your single sign-on clients will move to TLS 1.2 on 1st April 2020. Can I remove TLS 1.0 and TLS 1.1 now? Or I need to wait till ...
2
votes
1answer
203 views
How does the browser know windows logged in user id or Kerberos TGT?
My organization uses SSO for its applications i.e. Once a user logs into his Windows 10 workstation, he accesses his web application without login. I was informed that the web applications uses NetIQ ...
0
votes
2answers
102 views
What are some reasons a company should not go with single sign on?
A company I am working for is advocating for single sign on for their Ecommerce site and an Online clinical testing platform that contain sensitive patient information.
My concern is the sensitive ...
0
votes
2answers
396 views
Passing Data between Mobile / Web Apps
We have a third party mobile app that will link to a dashboard in our web app. The user id needs to be passed from the mobile app to the web app in this interaction so that we can retrieve the user's ...
1
vote
0answers
43 views
How to reflash/reformat enterprise Aladdin eToken Pro Java 72k for own certificate? [closed]
Is this eToken can be reformatted or re-flashed for using as smart-card for authentication?
I have this stick left from my former work and wanna re-use it some way, for example, for authentication in ...
1
vote
0answers
78 views
Is there any advantage in using Google's IAM on Android?
We are building a few corporate apps for field workers / front office. In most cases each user will have their own device, but there are some shared devices (for example reception). The devices are ...
5
votes
0answers
87 views
Poor Man's OAuth Grant - Review
A 3rd party company has requested that we implement single sign-on with them using the below approach. I'm familiar with OAuth grants and OIDC flows but this seems rather odd to me.
The user has ...
39
votes
2answers
7k views
How do universities and schools securely sync passwords between multiple services?
I'm a student and it seems every school or university I have been to has one password that you set for your user account for logging in to university services, which is also then synced to external ...
2
votes
1answer
55 views
Is providing authentication data for other web applications unsecure?
I started to work on a company whose software engineers tried to reinvent everything. They did not use(or know) industry standarts and for authentication, they use their custom solution. Their "...
1
vote
0answers
94 views
What is the essence of Google Chrome’s new controversial sign-in feature?
What is the essence of Google Chrome’s new controversial sign-in feature?
How does it work and how does it differ from what was it before?
What is the danger of it?
Is Chromium affected?
1
vote
1answer
197 views
How to protect a login page redirect
I have several web based applications that will redirect unauthenticated users to an ADFS sign-in page. ADFS will subsequently redirect users back to a web application once authenticated with a token.
...
1
vote
1answer
267 views
How to setup SAML?
I am learning about SAML and already read many articles and forums but I still having confusion about setup IdP.
I am using "https://simplesamlphp.org/"
For example, I have 3 websites "example.com", "...
0
votes
1answer
118 views
Risks for implementing single sign on
I'm working with an organization that's integrating a lot of apps with LDAP in a Windows environment. They are doing a good job of implementing least privilege, so there aren't a lot of scenarios ...
1
vote
0answers
100 views
Parent domain cookies for Single Sign on
Typically Single Sign On is implemented with existing protocols like SAML or OAuth. If all the sites belongs to the same parent domain such as a.example.com and b.example.com, we can also set a ...
0
votes
1answer
673 views
Opening browser with already authenticated user in other app
Scenario: I'm logged in some (java - swing) application. The authentication is typical: login and password checked by server (J2EE) on client application start, after that normal work in app including ...
4
votes
1answer
987 views
Is the idea of Single Sign-On (SSO) a flawed concept without Two-Factor Authentication (2FA)?
Before this gets flagged as a duplicate, I'm not asking a question about the disadvantages of single sign-on, I'm asking if the initial concept is flawed to begin with without enforcing two-factor ...
4
votes
2answers
2k views
Examples of Federated Identity Management, Third Party Identity Services and Single Sign-On
I am studying the domain of Identity and Access Management in CISSP, and I come across the three terms Federated Identity Management (FIM), Third Party Identity Services (3PIS) and Single Sign-On (SSO)...
6
votes
2answers
3k views
Is there any security difference between login via iFrame, Pop-up, or redirect?
There seems to be a number of techniques to authenticate a person on the web. Most commonly there are
Javascript Pop-ups (Google, Firefox Persona, Disqus, etc)
HTTP Redirects (OAuth, Facebook)
...
1
vote
0answers
18 views
Does Thinktecture V2 Require Round Trips on Requests
I am learning about the Thinktecture Identity Server v2 and considering deploying it as a single sign on solution for 3 to 4 apps/services our company is developing for our customers. The applications ...
2
votes
2answers
311 views
Solutions for accessing webapp from inside and outside the corporate perimeter by same users?
I'm looking for solutions that could best address the following requirements.
We plan to develop a webapp and deploy it in the cloud.
Corporate users must be able to access the webapp from the ...
0
votes
2answers
2k views
Single Sign On vs NT Authentication
I did some Googling on this and I can't seem to find a direct answer.
What is the difference between SSO and NT Authentication?
Is SSO a type of NT Authentication? Are they related at all?
I'm a ...
3
votes
2answers
1k views
Encrypting data and SSO
I provide a service in which users can store data, files, etc in an encrypted form.
The service that I have built has two applications for the user's password with which they login to my service: 1) ...
2
votes
1answer
834 views
What is the security benefit of using PostMessage instead of a callback URL in OAuth/OIDC?
Of all the issuers I've found, (Facebook, Twitter, Azure AD, etc) only Apple's CloudKit has the feature of "post message" as a callback (unless it's buried in the other's SDK)
Here is a screenshot of ...
1
vote
3answers
1k views
Why should the value of the cookie be encrypted?
I am working at a SSO project right now with CAS. I am using an RESTful API for communication with desktop-applications. The value of the Ticket Granting Cookie is encrypted. At first I didn't think ...
1
vote
2answers
628 views
Is MD5 suitable for single sign on?
We are using an application which offers single sign to their systems which is then embedded as an iframe (i.e. the URL is visible in the source of the page)
The SSO security comes from using MD5 to ...
1
vote
0answers
242 views
Logout from IdP, where should user end up?
When a user clicks Logoff on my website, it executes the following .NET code:
public ActionResult SLOService()
{
// Receive the single logout request or response.
// If a request is received ...
2
votes
1answer
1k views
How to know which secret key to use to create and verify JWT
We have several websites where users have to log in. For each website we want to support a single signon solution based on JWTs (JSON Web token).
There are also several (other) websites that can act ...
5
votes
2answers
957 views
Is “sign in with Facebook”, “sign in with Google”, etc. bad for security? [duplicate]
Is "sign in with Facebook", "sign in with Google", etc. bad for security? A hacker only needs to compromise your Facebook/Google/Yahoo/etc. account, and they'll have access to all of your other ...
4
votes
1answer
161 views
How can I be sure if a webview in a desktop app shows the real web page?
When installing Postman (on Mac), you can log on using your Google account. For this, the logon view from Google is shown in a window (A kind of Webview I assume).
How can I be sure this is the real ...
3
votes
3answers
884 views
How does Single Sign On limit phishing risk
I was reading this article about SSO benefits and this sentence intrigues me :
Can reduce phishing – Phishing, a fraudulent process where victims are tricked into giving away sensitive user ...
1
vote
2answers
596 views
Are third party authentification provider included via iframe by default considered (in)secure?
Authentification provider X is used by many non-related websites like A, B and C as (sole) authentification provider. X therefor provides a framework for athentification which includes a login form ...
1
vote
0answers
221 views
Low-resolution account enumeration with Office365
I am interested in the intersection of account enumeration and single sign-on. Often, there will be SSO-only and non-SSO users alongside each other in an application, and in terms of improved ...
1
vote
0answers
70 views
What is the most secure method for web session handling for multiple domain?
Based on the current standing of web security, what is the most secure / recommended method for web session handling: session cookies, cookie jars, web tokens, or anything else?
The requirement is to ...
0
votes
2answers
101 views
Legality of cookie(set by other sites) tracking
I have created a website A which asks username & password, there exists another closed source website B which again asks for login credentials.
A user uses both these websites .I want to ...
4
votes
0answers
96 views
What are appropriate measures to only allow logins from a given trusted OpenID-Provider?
I have a bunch of applications, where users need to log in. Not everyone can be a user, each user has to be approved of by an admin. The authentication should be a SSO solution, where user accounts ...
1
vote
3answers
2k views
Does it have sense a One-Time Session Cookie?
Recently I have faced a site that seems to implement something that we can call "one-time cookie". This cookie is used for single-sign on among different sites.
In each request the server sends a Set-...
105
votes
7answers
124k views
What is the difference between Federated Login and Single Sign On?
What is the difference between Federated Login and Single Sign On authentication methods?
