A former employee’s Microsoft 365 account is still active. A shared folder has permissions no one can explain. An accounting platform has three administrator accounts, but only one person remembers why. These are common findings when learning how to audit user access – and each can become a costly security or operational problem if it is left unaddressed.
For growing businesses, access reviews are not about distrusting employees or adding red tape. They are about making sure the right people can do their jobs, while former staff, outdated accounts, and unnecessary privileges do not create an open door to sensitive systems. Done well, a user access audit strengthens security without making daily work harder.
What a User Access Audit Actually Reviews
A user access audit is a structured review of who can access your technology, what they can do in each system, and whether that level of access is still appropriate. It should cover more than employee laptops or network logins. Most organizations store sensitive information across cloud applications, file-sharing platforms, financial tools, line-of-business software, and third-party portals.
The goal is not simply to produce a list of users. A useful audit connects every account to a current person, role, business need, and level of approval. If an account cannot be tied to all four, it deserves attention.
Access reviews are particularly valuable for organizations that handle financial records, health information, client files, legal documents, engineering plans, or other confidential data. They also matter after acquisitions, staff turnover, new software deployments, or a period of rapid growth. Those moments tend to create exceptions that quietly become permanent.
How to Audit User Access Step by Step
Start with the systems that matter most
Trying to review every application at once can turn a sensible project into a frustrating one. Begin with systems that contain sensitive data, control money, or provide broad access to your environment. For many businesses, that means Microsoft 365 or Google Workspace, email, file storage, accounting software, customer relationship management platforms, payroll, remote-access tools, firewalls, and backup systems.
Include the systems that are easy to overlook. A legacy portal used by one department, a vendor file-transfer site, or a cloud application purchased with a company credit card may sit outside normal IT processes. Those tools can still contain valuable data or create a route into the business.
Create a simple inventory that identifies the application owner, the type of data involved, where user accounts are managed, and whether multi-factor authentication is required. This becomes the working scope of your review and gives leadership a clear picture of where access risk exists.
Build a complete account list
Export user lists from each in-scope system. The list should include the account name, email address, assigned role, account status, last sign-in date where available, and whether the account has administrative rights. Do not assume your main directory tells the whole story. Many cloud platforms maintain their own local accounts, service accounts, guest accounts, and vendor accounts.
Next, compare these lists against an up-to-date employee roster and a list of approved contractors. This is where dormant accounts, duplicate profiles, and former employees often surface. Pay attention to generic accounts such as “officeadmin” or “sales@company.” Shared credentials make it difficult to know who performed an action and complicate investigations after an incident.
There are exceptions. Some automated processes require non-person accounts to run backups, synchronize software, or support integrations. These accounts should not be deleted simply because they do not appear on an employee roster. Instead, document their purpose, owner, permissions, authentication method, and review date.
Confirm access with the people who own the work
IT can identify what access exists, but department leaders are best positioned to confirm whether it is still needed. Provide each manager with a focused list of their team’s accounts and roles. Ask them to verify that every person still needs access, that their permissions match their current responsibilities, and that no one has been overlooked.
This manager review is critical because job titles can be misleading. A project manager may need access to client plans but not payroll records. A finance team member may need to approve invoices but not change banking information. The question is not whether a person is trusted. It is whether their access supports the work they are accountable for today.
Set a clear deadline and make decisions easy to record: retain, modify, remove, or investigate. When managers are asked to interpret a large technical spreadsheet without context, reviews slow down and errors increase.
Focus closely on privileged access
Administrator and high-privilege accounts deserve a separate review. These accounts can create users, reset passwords, change security settings, access broad categories of information, or alter financial workflows. A compromised standard account is serious. A compromised administrator account can affect the entire organization.
Review these areas carefully:
- Global, domain, and application administrator roles
- Financial approval, payment, and banking permissions
- Security, backup, and remote-management consoles
- Vendor and contractor accounts with elevated rights
- Emergency or “break-glass” accounts used during outages
Apply least privilege where practical. This means assigning only the access required for a job, rather than granting broad permissions because it is convenient. It does not mean preventing employees from working efficiently. In some smaller organizations, one trusted employee may legitimately perform several duties. The key is to document that business need, protect the account with multi-factor authentication, and review it more frequently.
Remove, reduce, and document exceptions
Once approvals are complete, act on the findings. Disable former employee accounts promptly, remove inactive guests, reduce excessive permissions, and replace shared credentials with named accounts whenever possible. If an account must remain active temporarily, establish an expiration date and identify the person responsible for reviewing it.
Document the changes made and the reasons behind them. This record is useful during compliance reviews, insurance questionnaires, security investigations, and future audits. It also prevents the same questions from being rediscovered every quarter.
Avoid a common mistake: deleting access before understanding its operational role. Before removing a service account or vendor profile, confirm whether it supports a business process, integration, scheduled report, or building system. A controlled test and a rollback plan are often wiser than an immediate deletion.
Make Access Reviews Part of Normal Operations
A one-time audit improves the current state, but access changes constantly. New hires start, employees change roles, vendors rotate, and applications are added. The most effective approach is to build access review into normal business operations.
For many small and mid-sized businesses, a quarterly review of high-risk systems and a broader semiannual review are reasonable starting points. Organizations in healthcare, financial services, legal services, government, or other regulated environments may need more frequent reviews based on their obligations and risk profile. Significant events – such as an employee departure, suspected phishing incident, merger, or new software rollout – should also trigger a targeted review.
Your onboarding and offboarding processes matter just as much as the audit itself. New employees should receive approved access based on their role, not copied permissions from the person they replace. When someone leaves, a defined process should disable their accounts, transfer ownership of files and mailboxes, revoke remote access, and preserve records where required.
Technology can make this easier. Identity management tools, multi-factor authentication, conditional access policies, and centralized logging can reduce manual work and provide better visibility. However, tools do not replace ownership. Someone still needs to decide what access is appropriate and verify that policies match the way the business operates.
Warning Signs That Your Business Needs an Access Review
You should schedule a review promptly if former employees may still have active accounts, managers cannot identify who has access to key applications, or IT relies on shared passwords to keep work moving. Other warning signs include unexpected administrator accounts, vendors with access long after a project ended, and employees collecting permissions as they move between roles.
Another sign is uncertainty during a security questionnaire or cyber insurance renewal. If answering “who can access this data?” requires multiple guesses and emails, the organization likely lacks a reliable access governance process.
For Central Florida businesses without a fully staffed internal IT department, an experienced managed IT partner can organize the inventory, validate technical findings, and turn the results into an ongoing process. ITIT helps businesses connect cybersecurity controls to practical operations, so security improvements support growth rather than interrupt it.
The right next step is simple: choose one critical system, identify every account with access, and ask whether each one is still justified. That first review often reveals the priorities for a stronger, more manageable security program.