In plain English
This turns on an extra identity check when signing in. The person must prove identity in two separate ways, and those ways have to come from different kinds of proof.
In context
Here, it instructs the user to turn on that sign-in identity check that uses two different categories of authentication factor.
- Situation
- Responding to phishing, suspicious activity, fraud, and compromise alerts
- What it communicates
- instructs the user to turn on an extra sign-in check.
Meaning limits
By itself, this term does not say which factor categories are used or how the check is implemented.
Examples
“After she enabled two-factor authentication, signing in required two separate kinds of proof instead of only one.”
“The technician asked Mia to enable two-factor authentication on her account.”