How Does Login.gov Keep My Account Secure and Private?

Login.gov is the U.S. government's shared sign-in service. It lets you use one account and password to access participating government agencies, and it is designed so that the agency you visit does not need to store or manage your password itself. That separation is the core of both its security and its privacy model: your credentials live with Login.gov, while each agency receives only the confirmation it needs to let you in.

The basic security model

The page describes Login.gov as providing "secure, private access to participating government agencies" through a single account and password. Two design choices follow from that description:

• One credential instead of many. Reusing the same password across many sites is a common risk. Login.gov reduces the number of separate government passwords you have to create and remember, which in turn reduces the number of places a password can be exposed.
• Credentials are held by the sign-in service, not the agency. Because Login.gov handles the authentication step, participating agencies do not have to build and run their own password systems. The site states that Login.gov "handles software development, security operations, and customer support" for its agency partners.

Privacy: what the shared account changes

A single account across agencies can sound like a single profile that every agency can see. The page frames it the other way: Login.gov is described as a way to keep access "secure" and "private," and the agency-facing section emphasizes protecting users' information. The practical point is that the sign-in layer is operated as shared infrastructure, with security operations and customer support run centrally rather than duplicated by each agency.

If you want to know exactly what a specific agency receives about you after sign-in, that depends on the agency and the service you are using — Login.gov's own page does not itemize that data sharing, so treat agency-specific privacy notices as the place to check.

Who this is for

The page splits its audience into three groups:

For an individual, the relevant takeaway is that you are not managing a separate government password for every service — you are managing one Login.gov account.

What this means in practice

• You still need good password habits. A shared sign-in service concentrates risk in one credential, so the strength and uniqueness of that password matter more, not less.
• Agencies benefit from centralized operations. Because Login.gov runs security operations and support, partner agencies are not each maintaining their own authentication stack.
• Availability depends on participation. Login.gov works with "participating" agencies, so not every government service will offer it.

Where to go next

The site organizes its content under Login.gov is for you, For agencies, Learn, and Support. If you are an individual, start with the "for you" material to understand what the account covers. If you represent an agency, the partner and developer sections describe how to adopt Login.gov and what Login.gov takes on for you. For account-specific problems, the Support section is the intended entry point.