📌 Multi-Factor Authentication (MFA) Summary

Multi-Factor Authentication (MFA) is a security process that requires users to provide two or more independent credentials to verify their identity. These credentials typically fall into categories such as something you know, like a password, something you have, such as a phone or security token, and something you are, like a fingerprint or facial recognition. By combining multiple factors, MFA makes it much harder for unauthorised users to gain access to an account or system, even if one factor has been compromised.

🙋🏻‍♂️ Explain Multi-Factor Authentication (MFA) Simply

Think of MFA as locking your house with both a key and a code. Even if someone finds your key, they still need to know the code to get inside. It is an extra step, but it helps keep your important information safe.

📅 How Can it be used?

Add MFA to a web application so users must enter both a password and a code sent to their mobile phone.

🗺️ Real World Examples

A bank uses MFA for online banking. After entering their password, customers receive a temporary code by text message, which they must enter before accessing their account. This extra step helps prevent fraud if a password is stolen.

A workplace requires employees to use MFA when logging in remotely. Staff must enter their password and then approve the sign-in request using an authentication app on their mobile device, reducing the risk of unauthorised access.

✅ FAQ

Multi-Factor Authentication, or MFA, is a way to make your online accounts much more secure. It works by asking for two or more pieces of information before you can log in, such as a password and a code sent to your phone. Even if someone figures out your password, they still need the other piece of information, which makes it much harder for anyone else to get into your account.

When you log in with MFA turned on, you first enter your usual password. Then, you are asked for something else, like a code from a text message or an app, or even your fingerprint. This extra step helps make sure it really is you trying to access your account, not someone who has just guessed or stolen your password.

While MFA does add a step to your login process, most people find it quick and simple after a few tries. The extra security it gives is well worth the few extra seconds it takes. Many apps and websites make it easy to set up, and you only need to do the extra step when logging in from a new device or after a certain period of time.

📚 Categories

• Cybersecurity
• InfoSec
• System Protection

🔗 External Reference Links

Multi-Factor Authentication (MFA) link

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