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Attackers Bypass Azure AD Conditional Access Using Phantom Device Registration

Divya · 18 hours ago · Read original ↗

ATT&CK techniques detected

5 predictions
T1556.007Hybrid Identity
55%
"attackers bypass azure ad conditional access using phantom device registration a recent authorized red team operation by howler cell has demonstrated a critical attack path that completely bypasses microsoft entra id ( azure ad ) conditional access. azure conditional access acts …"
T1098Account Manipulation
43%
"successfully bypasses conditional access policies that require a trusted device. the next step involves bypassing intune mobile device management ( mdm ) compliance. intune restrictions often exempt hybrid domain - joined devices from pre - registration. attackers exploited this …"
T1111Multi-Factor Authentication Interception
42%
"api validates tokens but does not verify that the caller is a real windows machine. with a single command, attackers can register a phantom device with a signed azure ad certificate and a private key. no physical hardware, trusted platform module ( tpm ), or administrative approv…"
T1078.004Cloud Accounts
37%
"compromising just one synced on - premises privileged account, attackers could reset the passwords of cloud global administrators, taking complete control of the tenant without needing any cloud - specific exploits. the success of this operation highlights a massive configuration…"
T1098.001Additional Cloud Credentials
32%
"attackers bypass azure ad conditional access using phantom device registration a recent authorized red team operation by howler cell has demonstrated a critical attack path that completely bypasses microsoft entra id ( azure ad ) conditional access. azure conditional access acts …"

Summary

A recent authorized red team operation by Howler Cell has demonstrated a critical attack path that completely bypasses Microsoft Entra ID (Azure AD) Conditional Access. Azure Conditional Access acts as the primary gatekeeper for cloud identity security, enforcing access rules based on user location, device compliance, and calculated risk scores. However, by starting with a […]

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