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The permissions nobody granted on purpose.

Inheritance cut years ago, access handed to a person instead of a group, entries pointing at accounts that no longer exist. None of it shows up in a group review. All of it is still live.

In ProLion DataDefense
NetApp

Syslog CEF and REST, into the tool you already run

Why this is the finding that matters.

A file estate does not become dangerous through one bad decision. It becomes dangerous through ten years of small, reasonable ones — each made for a deadline, none reviewed since. Broken permissions are what that history looks like when you finally measure it, and they decide three separate things.

How far ransomware gets

Blast radius is not a property of the malware. It is a property of what the compromised account could reach. Every broken permission is a little more reach.

What an AI agent will answer

A copilot inherits the permissions of the person asking. Anything an over-entitled account can open, the agent will happily summarize — faster than anyone could have browsed to it.

Whether the audit holds

NIS2, DORA and ISO 27001 all expect access to be granted on need and reviewed. A review that misses direct grants and orphaned entries is not a review.

What “broken” actually means.

Eight distinct conditions, each one detectable, each one with a different fix. The platform names which one it found, on which path, and what sits behind it.

Most common

Broken inheritance

A subfolder is cut loose from its parent, usually years ago and usually for one good reason that no longer applies. From then on, every tightening applied at the top silently stops one level above it.

What it means in practice: you fix the permission on the department share and the one folder that mattered keeps the old, wider access.
Invisible to reviews

Direct permissions on files and folders

Access granted to a person rather than through a group. It works, so nobody revisits it — and it appears in no group membership review, because there is no group.

What it means in practice: the access review says five people. The file says nine.
Survives the person

Orphaned SIDs

An entry for an account that no longer exists. The directory object is gone; the access control entry stays behind, pointing at an identifier that can in some circumstances be reissued.

What it means in practice: a leaver’s entitlement outlives their account, and nothing in the directory shows it.
The open share

Everyone, Authenticated Users, Domain Users

The group that means “anyone who can log in”. Attached to a sensitive folder it is an open share with an official-looking name, and it is the single entry an AI agent needs to surface the contents to whoever asks.

What it means in practice: every employee, every service account, and every copilot acting for them.
Nobody can answer it

Nested group loops and depth

Groups inside groups inside groups, occasionally circular. The nesting is legitimate; the depth is what makes the question “who is actually in this” unanswerable by hand.

What it means in practice: the policy names the care team. Nobody can produce the list of people the policy actually grants.
Still entitled

Stale and disabled accounts

Accounts that are disabled, expired, or have simply not been used in a year, still holding access to live data. Disabled is not revoked.

What it means in practice: dormant entitlements that come back the moment an account is re-enabled for a contractor.
Silent override

Deny rules that cancel a grant

A deny entry somewhere up the tree overrides a grant further down, or the other way round. The effective result is not what either rule reads like on its own.

What it means in practice: a permission report that is accurate line by line and wrong in total.
No owner

Folders whose owner has left

Ownership sits with an account that is gone, so there is nobody to approve a change, confirm a classification, or answer for the data during an audit.

What it means in practice: the recertification request has no recipient.

Let’s solve your data challenges.

Connect with our engineers to find the right approach for your infrastructure.

How we find them.

A scheduled scan collects file, folder and permission metadata from each system through its own native interface, then joins it with your directory — following every group to the people actually inside it. What comes out is the effective permission per path, which is the only level at which these conditions are visible at all.

Resolved, not reported
Share rights and file rights combined, every nested group followed, deny rules applied in the right order — the result, not the rules.
Ranked by what is behind them
An open share on the canteen menu is not the same finding as an open share on patient records. Classification decides the order of the list.
Watched, not sampled
The real-time permission audit log records every ACL and ownership change as it happens, so a folder that breaks today shows up today.
Against the directory
Active Directory hygiene alongside it: privileged group membership, stale accounts, and how membership changed over time.
Evidence an auditor accepts
The finding, the path, the effective access and the date it was fixed — mapped to the control it belongs to.
Remediation
Close what is open by changing permissions or labels straight from the platform, with the before-and-after on record and the four-eyes principle in front of it.

What the first scan usually turns up.

The same shape, in landscape after landscape. The numbers below are what we typically see in a first assessment — your own will differ, which is rather the point of running one.

Inheritance
Folders cut loose from their parent
Usually concentrated in the oldest department shares
Typical finding
Direct grants
Access given to a person rather than a group
Invisible in every group-based access review
Typical finding
Orphaned SIDs
Entries for accounts that no longer exist
Often the largest single category by count
Typical finding
Open shares
Everyone or Domain Users on sensitive folders
The entry that decides what a copilot can answer
Typical finding

No figures are quoted here on purpose: we have not measured yours. The risk check gives you a first estimate in two minutes, and an assessment gives you the real list.

Talk to an engineer who knows your data.

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