When legacy privilege controls remain in place, attackers can exploit shared accounts, weak passwords, and overbroad access more easily. That creates a larger opportunity to deploy ransomware, tamper with sensitive records, or move between systems once a foothold is gained. In a campus environment, the combination of remote users and many connected services makes that exposure especially costly.
Why Legacy Privilege Controls Create Campus Exposure
Colleges and universities rely on mixed environments: faculty-managed devices, student access, research systems, cloud apps, and long-lived administrative accounts. Legacy privilege controls were built for a slower, more centralised model, so they often leave shared credentials, standing access, and weak approval chains in place. That matters because privilege is the bridge between a routine login and control over records, research, finance, and infrastructure. In a campus setting, the blast radius is wide when one admin path is reused across many services. The Ultimate Guide to NHIs — Key Challenges and Risks shows how excessive privilege and poor visibility compound this problem, and the pattern maps closely to campus IT estates.
Legacy controls also tend to assume that access is trustworthy once granted, even though modern campuses are highly distributed and constantly changing. That creates a mismatch between the control model and the environment it governs. NHI Management Group has also documented that 97% of NHIs carry excessive privileges, which is a useful warning signal for any institution still depending on broad, durable admin entitlements. In practice, many security teams discover the weakness only after a privileged account has already been reused, over-scoped, or abused during an incident.
How PAM Changes the Way Privilege Is Managed
Privileged Access Management shifts the focus from permanent access to controlled, time-bound elevation. Instead of assuming a user or service should keep privileged rights all the time, PAM introduces approval, session control, credential vaulting, recording, and rotation. For universities, that means local admins, database admins, cloud operators, and third-party support accounts can be constrained without blocking necessary work. It also gives security teams a better way to answer who accessed what, when, and under which authorisation.
That distinction matters because legacy privilege controls usually manage accounts, while PAM manages privilege as a just-in-time event. The result is smaller standing access, fewer reusable credentials, and better traceability when something goes wrong. The OWASP Non-Human Identity Top 10 is relevant here because many campus systems depend on service accounts, API keys, and automation credentials that behave like privileged identities even when no human is sitting behind them. If those credentials are not governed with the same discipline as human admin access, the control gap remains.
- Use PAM to remove standing admin rights from everyday accounts wherever the job can be done with temporary elevation.
- Vault privileged secrets so passwords and keys are not shared across teams or copied into scripts.
- Record privileged sessions so investigations can distinguish routine administration from abuse.
- Rotate access after use, especially for third-party support and break-glass paths.
Current guidance suggests that privileged access should be treated as a high-value workflow, not as a permanent property of the account. The NIST control family most directly associated with this problem is NIST SP 800-53 Rev 5 Security and Privacy Controls, which reinforces least privilege, account management, and auditability. These controls tend to break down when campus teams bolt PAM onto legacy directories and shared admin practices without first removing the old standing-access paths.
Where Campus Environments Break the Legacy Model
Tighter privilege control often increases operational overhead, so universities have to balance friction against risk. Research labs, help desks, and outsourced support teams often need fast access, but speed is exactly where legacy privilege models create the most exposure. If a department keeps a shared administrator password for convenience, PAM can still help, but only if the institution is willing to change the workflow rather than simply layer a vault on top of bad practice.
Hybrid environments are the most common edge case. Some systems cannot immediately support modern session brokering, some vendors require privileged local accounts, and some teams still depend on emergency access during outages. In those cases, the right answer is not to abandon PAM but to classify the exception, narrow the scope, and place extra monitoring around the path that remains. The strongest programs treat exceptions as temporary compensating controls, not as a reason to preserve legacy privilege forever.
There is also a governance tradeoff. Universities often decentralise IT, which means no single team sees the full privilege picture unless access reviews, secret ownership, and offboarding are tied together. NHI Management Group’s research notes that only 5.7% of organisations have full visibility into their service accounts, a reminder that hidden privilege is a structural problem, not just a tooling issue. The institutions that manage this well make privilege visible before they automate it.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
MITRE ATT&CK and OWASP Non-Human Identity Top 10 address the attack and risk surface, while CIS Controls v8 and NIST CSF 2.0 set the governance and control requirements practitioners need to meet.
| Framework | Control / Reference | Relevance |
|---|---|---|
| CIS Controls v8 | 6 — Access Control Management | Legacy privilege controls create unmanaged access paths and excessive standing privilege. |
| Recommendation — Inventory privileged accounts and remove standing access wherever just-in-time elevation is possible. | ||
| NIST CSF 2.0 | PR.AC — Identity Management, Authentication, and Access Control | The question centers on weak access governance and overbroad privilege. |
| DE.CM — Security Continuous Monitoring | PAM gaps reduce visibility into privileged use and abuse. | |
| Recommendation — Apply least-privilege access rules and regularly review privileged entitlements. Monitor privileged activity so unusual admin behavior can be detected and investigated quickly. | ||
| MITRE ATT&CK | T1078 — Valid Accounts | Shared and overbroad campus admin accounts are attractive paths for abuse. |
| Recommendation — Hunt for valid-account misuse and restrict reuse of privileged credentials. | ||
| OWASP Non-Human Identity Top 10 | NHI-01 — Inventory and Ownership | Campus privilege often extends to service accounts and automation credentials that need ownership. |
| Recommendation — Assign owners to privileged non-human identities and eliminate unmanaged shared credentials. | ||
Practitioner Guidance
What to prioritise: Start with the accounts that can change identity systems, finance systems, research data, or infrastructure. Those paths have the highest blast radius, so they deserve vaulting, session control, and tighter approval before lower-risk admin accounts.
Decision rule: If an account can authenticate without a time limit, be reused by multiple people, or access multiple campus services, treat it as standing privilege and move it into PAM rather than leaving it in legacy administration.
What to verify: Confirm that privileged access is traceable to a named owner, that emergency access is separately governed, and that revocation works after staff turnover or vendor offboarding. If any of those cannot be demonstrated, the control is only nominal.
Practitioner takeaway: The goal is not to make privilege harder for its own sake; it is to ensure that campus administration stays usable while the paths with real blast radius become short-lived, attributable, and reviewable.
Related resources from NHI Mgmt Group
- What breaks when organisations keep relying on legacy privacy strings instead of a unified framework?
- What happens when applications keep relying on disparate secrets instead of built in identity?
- What happens when organisations keep relying on manual remediation instead of automation and analytics?
- What happens when fintech firms keep secrets in legacy and on-prem environments instead of centralising them?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on September 10, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
