A sign-in risk detection in ID Protection that flags sign-ins from far-apart places made in less time than the journey between them would take.
Also called atypical travel.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains Impossible travel in context, with comparison tables and the common traps.
Terms in this definition
- Sign-in risk
Microsoft Entra ID Protection's assessment of how likely it is that a given sign-in was not made by the person who owns the account. With Microsoft Entra ID P2 it can be used as a condition in Conditional Access.
- Microsoft Entra ID Protection
Uses risk scores on users and sign-ins to spot, look into and fix threats to identities. Policies that respond to that risk live in Conditional Access, and a Microsoft Entra ID P2 licence is required.
Related terms
- Anomaly detection policy
Out-of-the-box policies in Defender for Cloud Apps that learn what normal looks like for each user and then alert on deviations, for example impossible travel, sign-ins from anonymous IP addresses or behaviour resembling ransomware.