65
Technology3h 4m ago

Attackers are using fake OAuth client IDs to enumerate Entra ID accounts and confirm valid passwords without triggering successful sign-in events.

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Entra ID

Who
attackers
What
Attackers are using fake OAuth client IDs to enumerate Entra ID accounts and confirm valid passwords without triggering successful sign-in events.
When
Mon, 13 Jul 2026 12:10:50 GMT · 3h 4m ago
Where
Entra ID ·
Why
Fake OAuth client IDs allow attackers to bypass security measures and confirm account validity.
The Frontline Impact

How this affects you

This technique enables attackers to identify valid Entra ID accounts and passwords without detection, potentially leading to widespread account compromise.

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