Clean up access control list

Stefan Effenberger

IT Documentation Expert

last updated

20

.

 

August

 

2025

Reading time

3 Minuten

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Clean up access control list

Das Wichtigste in Kürze:

  • Übermäßige Berechtigungen sind ein Sicherheitsrisiko: Studien zeigen, dass in vielen Unternehmen über 50 % der ACL-Einträge veraltet oder überflüssig sind. Dies erhöht das Risiko von unautorisiertem Zugriff und potenziellen Sicherheitslücken erheblich.
  • Regelmäßige Bereinigungen sind essenziell für IT-Sicherheit und Compliance: IT-Administratoren sollten ACLs mindestens halbjährlich überprüfen, um veraltete Einträge zu identifizieren und zu entfernen. Dadurch lassen sich Datenschutzvorgaben (z. B. DSGVO) besser einhalten und Angriffsflächen minimieren.
  • Automatisierte Tools sparen Zeit und reduzieren Fehler: Manuelle ACL-Prüfungen sind fehleranfällig und zeitaufwendig, weshalb der Einsatz von Softwarelösungen wie Docusnap empfohlen wird. Solche Tools helfen, ungenutzte Berechtigungen effizient zu erkennen, zu dokumentieren und zu bereinigen.
  • Docusnap Sreenshot: Report fileserver orphaned ACL entries search

    ... or never again laboriously search the ACL of the file servers for dead SIDs.

    Do you like crime stories? Based on the countless crime films and series that we encounter everywhere on TV or its more modern versions of Netflix and Co., the chances are pretty good that you too are not averse to a good crime series. It is less important which type of commissioner you pledge your allegiance to. Whether, like me, you prefer the “Columbo” variant, followed the streets of San Francisco or prefer to stay in the big city areas in our latitudes. Every good crime series needs one thing. A corpse. What would a crime thriller be without a passable victim who mysteriously eliminated from reality? And what would a good crime thriller be without a brilliant inspector who would not get on with even the worst and thoroughly washed contemporaries?

    So we can come to the conclusion that no action or reconnaissance can take place without the body. Ideally, the victims of crime stories are usually lying around somewhere in the way and someone stumbles across them more or less by accident.

    A completely different caliber of crime story is playing out on our file servers. It may be full of dead SIDs and no one notices it. After all, no one stumbles across it. By the way, SID means”Security Identifier“and is a unique security identifier that permanently identifies every user and group in a Windows AD.

    Our crime thriller is playing on our file server, the victim (s) are the orphaned ACL entries and the main actor is Inspector Docusnap.

    Unlike on television, we don't just stumble across it and our “corpses” may be a bit older. With Docusnap, however, we also have the right snoop in our ranks who uncovers exactly such grievances and reliably forwards his report to us.

    Once configured, Docusnap can show us a current report at any time as to whether orphaned entries can be found in the access control lists and shows all “dead” SIDs neatly sorted by system. Since Docusnap has access to all IT servers and this information is also kept up to date at all times, nothing is left out in forensics and no detail is overlooked.

    In our short video, we show how easy it is for everyone to find out about the “Tatort Server” and keep it clean.

    With Docusnap, there are no unsolved cases in our crime series. Relentlessly and with meticulous accuracy, we are not giving even the petty crook a chance. For some, this is a big deal; for Docusnap, it's just another small step towards optimal security in our networks.

    Additional Information

    Here you find further information on the topic

    Fazit:

    Access Control Lists sind ein fundamentales Werkzeug zur Sicherung von IT-Systemen. Durch die Implementierung von Best Practices und den Einsatz spezialisierter Softwarelösungen wie Docusnap können Unternehmen ihre Netzwerksicherheit stärken und gleichzeitig den Verwaltungsaufwand reduzieren. Eine proaktive und strukturierte Herangehensweise an die Verwaltung von ACLs trägt maßgeblich dazu bei, die Integrität und Sicherheit der IT-Infrastruktur zu gewährleisten.

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