The Point: Three misconfigurations in Active Directory enable domain takeovers without exploits and are a more common attack vector than technical vulnerabilities.
Misconfigurations in Active Directory can enable attackers to take over an entire domain. Mihail Lupan, Head of Security Research at Holm Security, identifies three critical weaknesses that do not rely on exploits or zero-days.
When security incidents occur in Active Directory, administrators often initially suspect technical exploits such as zero-days or missing patches. The actual cause frequently lies elsewhere: in the configuration of the directory itself.
Mihail Lupan from Holm Security has identified three specific misconfigurations that enable attackers to compromise an Active Directory domain. These configuration errors are widespread and often arise from insufficient hardening, misunderstood permission assignment, or lack of regular review.
For CISOs, distinguishing between exploits and configuration errors is critical: while exploits are remediated through patches, configuration gaps require operational review and adjustment of existing systems. Regular auditing of Active Directory structure, permission assignment, and policies is necessary to close this attack vector.
Source: borncity.com · Published 22 June 2026
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