Impossible Travel is a calculation made by comparing a user's last known location to their current location, then assessing whether the trip is likely or even possible in the time that elapsed between the two measurements.
As an input for authentication, this signal prevents man-in-the-middle attacks, certain account takeovers, the re-use of phished data, and most offshore attacks in general.
2FA/MFA Rapid Reference
Authentication at a glance
Download the 2FA/MFA Rapid Reference now:
- 2FA and MFA basics and common solutions
- The benefits and drawbacks of each
- Glossary of authentication terms
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