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Knowledge Base & Operational DocumentationHow to Investigate a Security Alert for a Login From a New Device
A login from a new device can indicate legitimate travel or a new laptop, but it can also reflect stolen credentials or a session token. Device novelty alone is not enough to determine whether access is authorized.
What to check
Confirm the user through an independent contact path, review authentication method, device registration, location and time context, session activity, and actions taken after sign-in. Preserve logs and compare with expected device enrollment.
Recommended next step
Follow the incident process if the user does not recognize the session, including session revocation and credential protection. If confirmed legitimate, register the device through normal controls and document the disposition.
How Informatix Systems can help
Informatix Systems provides security operations and incident response services. We can review the affected setup, trace the likely cause, and help plan a practical fix. Contact us with the platform involved, when the issue began, and non-sensitive error details.