Source: Cloud Security Alliance Author: unknown URL: https://www.oasis.security/resources/blog/why-should-active-directory-hygiene-be-part-of-your-nhi-security-program
ONE SENTENCE SUMMARY:
Active Directory struggles with modern hybrid environments, requiring improved hygiene to manage machine identities, reduce security risks, and maintain operational stability.
MAIN POINTS:
- Active Directory was designed for human users, not machine identities, which now outnumber humans by 20 to 1.
- Machine identities require multiple credentials and have unpredictable lifecycles, complicating security and access management.
- Poor AD hygiene can cause security risks, operational disruptions, and inefficiencies in hybrid environments.
- Stale accounts and excessive permissions create vulnerabilities that attackers can exploit.
- Forgotten dependencies in AD can lead to sync failures with Entra, disrupting critical applications.
- Manual identity tracking is slow, error-prone, and needs automation for efficiency.
- AD’s nested group structures obscure permissions, making access control difficult.
- Logs from AD and Entra are fragmented, requiring significant expertise to analyze effectively.
- Service accounts often lack clear ownership, making them hard to manage securely.
- Hybrid environments amplify these challenges, with lingering permissions and hidden dependencies causing governance issues.
TAKEAWAYS:
- Active Directory hygiene is crucial for securing hybrid environments and preventing security risks.
- Automation is essential for effective identity tracking and reducing manual errors.
- Organizations must regularly audit and clean up stale accounts and excessive permissions.
- Visibility into AD and Entra logs is necessary for understanding and managing access.
- Clear ownership of service accounts is key to maintaining security and operational stability.