security —

Insecure AD CS allows attackers to steal data after posing as IT support on Teams

In two instances of intrusion that Microsoft examined, attackers successfully tricked staff members into granting them remote access to their personal computers via Microsoft Teams.

Insecure AD CS allows attackers to steal data after posing as IT support on Teams

Subsequently, these malicious actors leveraged vulnerable configurations within Active Directory Certificate Services (AD CS) to acquire authentication certificates for high-privilege accounts, notably one belonging to a domain controller.

Microsoft has reported on these two security incidents, with one of the compromised entities suffering a significant outcome.

This pattern highlights vulnerabilities in how enterprise communication platforms intersect with internal identity and certificate infrastructure, presenting a critical vector for sophisticated lateral movement within corporate environments.

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Reported by thehackernews.com.

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