Two-factor authentication (2FA) is an identity and access management security method that requires two forms of identification to access resources and data. 2FA gives businesses the ability to monitor and help safeguard their most vulnerable information and networks. Businesses use 2FA to help protect their employees’ personal and business assets.

Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in to your Microsoft account. It uses two different forms of identity: your password, and a contact method (also known as security info).

Multi-factor authentication (MFA; two-factor authentication, or 2FA) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism.

Two-factor authentication (2FA) is a specific type of multi-factor authentication (MFA) that strengthens access security by requiring two methods (also referred to as authentication factors) to verify your identity. These factors can include something you know — like a username and password — plus something you have — like a smartphone ...

2024年12月20日 · 多重身份验证（mfa）是在授予用户访问特定资源的权限之前，使用多重身份验证来验证用户身份的过程，仅使用单一因素（传统上是用户名和密码）来保护资源，使它们容易受到破坏，添加其他身份验证因素可为资源提供坚…

When you sign into the account for the first time on a new device or app (like a web browser) you need more than just the username and password. You need a second verification method - what we call a second "factor" - to prove who you are. A factor in authentication is a way of confirming your identity when you try to sign in.

2022年1月10日 · What is Multi-Factor Authentication (MFA)? Passwords alone are not effective in securing your most sensitive business assets, as they have become too easy for threat actors to access. MFA is an important security enhancement that requires a user to verify their identity by providing more than just a username and password.

By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone.

双因素身份验证 (2FA) 是一种身份和访问管理安全方法，需要通过两种形式的身份验证才能访问资源和数据。 2FA 使企业能够监视和帮助保护其最易受攻击的信息和网络。 企业使用 2FA 来帮助保护员工的个人和企业资产。 这一点非常重要，因为它可以防止网络犯罪分子窃取、销毁或访问员工的内部数据记录供自己使用。 2FA 的优势数不胜数。 例如，使用 2FA，用户无需携带或下载令牌生成器或与之关联的应用。 大多数网站都使用移动设备发短信、打电话，或使用个性化 …

2018年6月26日 · Multi-factor authentication (MFA) is a method of logon verification where at least two different factors of proof are required. MFA is also referred to as 2FA, which stands for two-factor authentication. MFA helps keep protect your data (email, financial accounts, health records, etc.) or assets by adding an extra layer of security.