Alert! Message Code 2FA Mysterious Could Be A Sign Of Hacking

Illustration of two-factor authentication tokens (photo: Kaspersky)

JAKARTA - Two-factor authentication (2FA) is the identity management security method and access that requires two forms of identification to access certain resources and data.

Launching Microsoft's official website, 2FA can usually be in the form of unique tokens that apply at a certain time, push notification, SMS verification, or voice-based authentication.

Then, what to do if you receive a text message containing two-factor authentication code from a service you have never registered with?

Kaspersky explained three possibilities why the situation could have occurred, including:

What to do?

In the case above, Kaspersky says that you don't have to do anything and there's nothing to worry about unless you plan to create an account with the service. If you do, you may have a problem: your number has been linked to an existing account (although it's been abandoned).

Untuk situasi seperti ini, mengubah password tidak begitu mendesak. Namun, jangan juga menunda untuk mengubah password, apalagi jika akun tersebut sangat berharga, seperti perbankan.

The best action when receiving text messages with a login code for accounts that don't belong to you is to ignore them. Avoid trying to get into someone else's account," said the global cybersecurity company.