Some services are highly regulated and must meet audit requirements, such as those from companies working in the financial industry or those selling to governments.Since you are already providing a good deal of information, much of which is quite sensitive, a custom username and password wouldn't be seen as very burdensome.

In many jurisdictions, these laws are very strict. In the specific case of cryptocurrency exchanges, typically you are going to have to provide some sort of financial information to conduct business, and often additional information for local know-your-customer requirements.If you don't implement third-party login, this doesn't happen. If you store the username and not the ID, then you have a problem if the original owner deletes their account and someone else creates one named the same thing. Depending on the way the third-party login provider works, you may end up with only a username, or a fixed ID as a result of the login information.For situations where a service needs access to an email, whether for reasons of identity (e.g., GitHub and associating commits with accounts), fraud and abuse prevention, or less ethical reasons (e.g., non-confirmed opt-in marketing or other types of spam), a third-party login may not be sufficient. Some third-party login providers provide access to email addresses, and some don't.

Also, services may not want the compromise of your social media account to be a compromise of their account.

A company may want the ability to require a strong password or 2FA to log in, and that's harder to do when you use a third-party login.

People don't necessarily protect their social media accounts very well.

Your student's teacher also has access to your student's login information. We recommend taking a moment to make sure you are able to access your student’s account so they can access digital distance learning tools.There are a variety of reasons that a company may not want to offer a federated login option. If you need help accessing your ParentVUE account, please contact your school site. See step-by-step instructions to log into ParentVUE.

If you're using the mobile app, you look under 'Student Info' and then under'Additional Information'. You are now able to see your student’s Google login username and password through ParentVUE, under the “Student Info/Accept Offer” tab. How to find your child's Google login username and password Once logged in, they can use the Google apps launcher (sometimes called the 'waffle', pictured to the right) to access other Google tools. They can also start by logging into their SFUSD email at using their SFUSD email and password. Grades 3-12: Students can log directly into specific Google tools, such as Google Classroom, by visiting the tool's website. Grades PreK-2: Students can log into with their SFUSD Google email and password to access all of the Google tools and other helpful learning tools, such as Seesaw.

Google login information