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Going with the Flow(s): Distinct Clusters Target Individuals of Interest to Russia

Google GTIG tracks three Russian espionage clusters abusing legitimate OAuth authentication flows to target individuals in defence, academia, and government—a technique that bypasses traditional perimeter controls.

Summary written by editorial AI · Source link below

Filed by Google Threat Intel1 min readRead at source ↗

Written by: Gabby Roncone, Wesley Shields Overview Google Threat Intelligence Group (GTIG) is tracking three distinct suspected Russian cyber espionage threat clusters abusing legitimate authentication flows to target individuals working in academia, aerospace and defense, governments and think tanks across Europe, as well as academia and think tanks within the United States. Examples of these techniques can be found in our previous blog on UNC6293’s phishing operations. We now track an addition

Editorial Analysis

Why it matters

OAuth flow abuse bypasses conventional email and endpoint defences entirely, shifting the battleground to identity-layer controls where many European organisations remain under-invested.

What to do

Audit OAuth and consent-grant configurations in Azure AD/Entra ID or Google Workspace, restrict token scopes, and deploy alerts for anomalous authentication-flow activity.

Board brief

Russian espionage groups are abusing legitimate login flows to target defence and government personnel—identity-layer controls require immediate attention.

Forward-looking interpretation drafted by editorial AI under human review — not a reproduction of the source. See methodology.

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