Single sign on (SSO) is an authentication method that lets a user log in once and gain access to multiple connected applications without re-entering credentials for each one. A central identity provider verifies the user, then shares that verification across every connected system.
Most people already use a form of SSO without thinking about it, such as signing into several Google apps with one login. In a workplace, SSO does the same thing across internal tools, CRMs, and survey platforms.
This guide covers how SSO works, the three main types organizations use, its benefits and risks, and how to set up SAML-based SSO for survey software access.
What is single sign on (SSO)?
Single sign on is a security method that allows one set of login credentials to authenticate a user across several independent but connected software systems. Instead of managing a separate username and password for each application, the user logs in once through a central identity provider.
That identity provider, sometimes called a directory server, is the trusted source that confirms who the user is and shares that confirmation with every connected application. Logging out of one connected application can also be configured to log the user out of every other connected system at once, a behavior known as single logout.
SSO is common in organizations where employees or customers need to move between multiple internal systems over a local area network or through cloud-based tools. It is frequently paired with a second authentication factor, such as a one-time passcode or a smart card, so a forgotten password does not lock someone out entirely.
What are the main types of SSO?
Organizations typically choose from three SSO models, depending on the systems they need to connect and who is accessing them.
- Web SSO: Connects a user’s browser session to one or more web-based applications, so logging into one grants access to the others without a second login prompt.
- Federated SSO: Links identities across multiple identity providers or organizational domains, usually through digital signatures, encryption, or public key infrastructure. This is common when two separate companies need to share application access.
- Enterprise SSO: Manages authentication for both employees and customers from a single system, typically relying on the organization’s Active Directory to control access across internal and external applications.
The right choice depends on whether access needs to span internal systems only, external partners, or both.
What are the benefits of single sign on?
The core benefit of SSO is reducing password fatigue while improving security and productivity across an organization. Several benefits follow from that.
- Fewer passwords to manage.
The average person juggles dozens of logins across work and personal accounts, which pushes many toward weak, reused passwords. SSO reduces that number to one strong credential. - Fewer help desk tickets.
Password reset requests make up a large share of IT help desk volume in many organizations, and SSO directly reduces that load. - Stronger password habits.
With only one credential to remember, users are more willing to create a genuinely strong password instead of a simple, easy-to-guess one. - Simplified compliance.
Centralized authentication makes it easier to meet IT audit and access control requirements, since login activity runs through one system instead of many. - Lower software costs.
Centralizing identity management can reduce licensing overhead and streamline onboarding and offboarding, since access to every connected tool can be granted or revoked in one place.
What are the risks or limitations of SSO?
SSO concentrates access into a single credential, which means that credential becomes a high-value target. If it is compromised, an attacker potentially gains access to every connected system at once, not just one.
For that reason, most organizations pair SSO with multi-factor authentication rather than relying on a password alone. It is also worth confirming that the identity provider itself has strong security practices, since it becomes the single point of failure for every connected application.
How does SSO work with survey software?
Survey platforms that support SAML or SSO configuration let employees or customers log in using their existing company credentials instead of creating a separate account. This is common in enterprise research programs where many employees need occasional access to a shared survey system.
For example, an organization can configure SAML on its survey platform so that staff log in with their normal work credentials to create, distribute, and analyze surveys, without a second password to remember or manage.
How do you set up SAML SSO for survey software?
Setting up SAML SSO typically involves connecting your organization’s identity provider to the survey platform’s authentication settings.
In QuestionPro, this is done under My Account > Authentication and Logs, then selecting SAML (Signed) under the Login Authentication tab.
From there, three configuration options are available.
- Metadata URL: The simplest option. Enter the identity provider’s metadata file link, and the platform downloads and parses it automatically.
- Metadata file: Used when the identity provider requires a downloaded file instead of a URL. This option needs to be re-uploaded manually whenever the metadata changes.
- Manual settings: Requires entering the Entity ID and the X509 certificate directly, giving full manual control over the configuration.
For the platform to identify and provision users automatically, the identity provider generally needs to be configured to pass at least one attribute, the user’s email address.
What are common SSO use cases beyond internal software?
Online banking is a useful contrast. Each bank account typically requires a separate login, which means users end up managing many credentials across different financial platforms. That fragmentation is part of why banking credentials are frequent phishing targets, since attackers know people reuse weak passwords across accounts they cannot consolidate.
Enterprise software behaves differently. When an organization enables SSO on tools like survey platforms, CRMs, or HR systems, employees consolidate access into one strong, centrally managed credential instead of many weak ones scattered across separate logins.
How does SSO improve customer and employee experience?
Beyond security, SSO changes how people feel about using a system day to day. A SHRM review of workplace technology friction points repeatedly identifies login and access issues as a common source of employee frustration, which SSO directly addresses.
- Fewer forgotten-password support requests, since users manage one credential instead of many.
- Smoother onboarding and offboarding, since access to every connected tool can be granted or revoked centrally.
- Better cross-business collaboration, since partner organizations using SSO-compliant platforms like QuestionPro’s survey software can integrate access more securely.
SSO simplifies access without weakening security
Single sign on trades a pile of weak, easily forgotten passwords for one strong, centrally managed credential, without giving up the ability to enforce audits, compliance, and access controls.
For organizations running enterprise research programs, connecting SSO to a survey platform removes a real barrier to internal adoption.
Frequently Asked Questions (FAQs)
No. A password manager stores separate passwords for separate accounts, while SSO removes the need for separate passwords entirely by authenticating a user once through a central identity provider.
Not inherently. SSO consolidates risk into one credential, which is why most organizations pair it with multi-factor authentication. Done correctly, it usually improves security compared with dozens of weak, reused passwords.
SAML is commonly used for enterprise workforce SSO and exchanges authentication data in XML format. OAuth is more common for consumer app authorization, such as logging into a service using a Google or Microsoft account.
Yes. Enterprise SSO configurations can extend to customers as well as employees, letting external users log in with credentials from their own organization rather than creating a new account.
Since SSO relies on a central identity provider, an outage there can temporarily block access to every connected application. Many organizations mitigate this with backup authentication methods or provider redundancy.
