When Sirius onboards a new client, one of the first things our engineers look at is how many employees have local admin access on their devices. Over the years, this has become a bit of a pattern for us: companies come in with good people, good intentions… and way too many users walking around with administrator privileges they don’t actually need.
And while this might seem like a small IT detail, it’s often one of the most dangerous weak points in an organization’s network security.
Let’s break down why local administrator accounts are such a risk, why it happens so often, and what we do at Sirius to help fix it without breaking daily operations.
What “Local Admin Access” Really Means
On a Windows machine, a local admin account gives the user the ability to make system-wide changes: installing software, adding or removing programs, modifying security settings, creating other user accounts, changing permissions, and accessing sensitive data.
In short: someone with local admin rights has complete control over that machine.
For businesses, this means employees with elevated privileges can unintentionally (or intentionally) alter critical parts of the system, sometimes without leaving a clear log behind. And in the wrong hands (like an attacker who gets access to those credentials) that control can be used to wreak havoc across your network.
How Common This Problem Is (and Why It Happens)
When we onboard a new client, it’s surprisingly common to see half (or more) of their employees set up as local administrators. In some cases, everyone in the organization has local admin access; from entry-level staff to executives.
Why?
Our team has seen a few common scenarios:
- Default settings: On many local accounts, admin rights are created automatically by default during setup.
- Past IT shortcuts: Previous IT providers often gave out administrative rights to “make it easy” for end users rather than putting proper processes in place.
- No central identity management: Without tools like Entra ID or Active Directory, local accounts are often unmanaged. Over time, that leads to a messy web of extra privileges, identical passwords, and no clear control.
- No internal conversation: Business owners aren’t always aware of the risk. If no one explains why admin access matters, it just becomes “how things are done.”
What We’ve Seen Firsthand
This isn’t just a theoretical risk. We’ve seen malicious software find its way into systems through employees accidentally installing unauthorized programs or clicking on something they shouldn’t have.
One of the most common scenarios we encounter during onboarding:
- A user installs a remote access tool without realizing what it is.
- That tool gives a hacker an easy way in.
- Within hours or days, sensitive company data is exposed, or the network becomes vulnerable to lateral movement across devices.
We’ve had to clean up malware, reset passwords, remove unauthorized software, and rebuild compromised machine identities because someone with admin rights unknowingly opened the door.
All it takes is one mistake on one machine with administrator privileges to give an attacker a foothold in your entire network.
Security and Productivity Risks of Too Much Admin Access
Here’s why letting employees keep local admin rights is a bad idea even if they’re trusted team members:
- Uncontrolled Software Installation
With admin privileges, users can install anything from Chrome extensions to full-blown software suites. That opens the door to malicious software, fake programs, or unnecessary tools that create compatibility and security problems. - Elevated Attack Surface
If someone’s credentials are compromised, an attacker gets full control of that device. From there, it’s often easy to move laterally, compromise other machines, and escalate access to servers, domains, and shared resources. That’s why strong cybersecurity protections are critical. - Password Risks
Many local administrator accounts share identical passwords or never get updated. Attackers can crack or reuse these credentials to expand their control. We’ve seen environments where one stolen password unlocks half the company’s machines. - Operational Headaches
Users with extra privileges can unintentionally break things: uninstalling security software, overriding firewall settings, or disabling updates. That creates a hidden backlog of IT issues that eventually bubble up. - Regulatory & Compliance Issues
For organizations that handle sensitive data, excessive admin rights can lead to compliance failures. Controlling who has access and what they can do is part of most security frameworks and regulatory requirements.
What Sirius Does to Fix the Problem (Without Slowing You Down)
The goal isn’t to punish users or make IT harder, it’s to manage access strategically. When Sirius takes over an environment, here’s what we typically do:
1. Audit the Current Setup
We start by identifying every local admin account and mapping out who has what level of access. This gives us a clear picture of the current risk level and any obvious red flags like old accounts, service accounts with broad access, or shared credentials.
2. Centralize Identity Management
We often move clients to Entra ID or Active Directory, which lets us manage administrative access centrally. That means we can enforce least privilege policies, track changes, and easily revoke access if someone leaves the company — all part of our cloud computing solutions.
3. Remove or Limit Local Admin Rights
We gradually remove local admin rights from unnecessary accounts. Key individuals may get a separate administrator account they can log into only when needed, while most employees operate as a standard user day to day.
4. Secure Service Accounts
Many businesses rely on service accounts or tools that need elevated privileges to run background tasks. We review these accounts carefully, enforce strong passwords, and limit their permissions to only what’s required.
5. Standardize Software Deployment
We take away the need for employees to install their own software. Using cloud tools like Intune, we push approved programs and updates automatically. That means users don’t need admin rights just to get their work done.
6. Implement Better Password and Key Management
We help clients rotate passwords, secure SSH keys and API keys, and prevent shared admin credentials from being passed around in email or spreadsheets.
The Right Way to Handle Admin Access
Here’s the simple truth: most employees don’t need local admin privileges to do their jobs. And for the few who do, there are safer ways to handle it.
- Separate Admin Accounts: Instead of giving someone admin rights on their everyday account, create a dedicated administrator account for approved tasks.
- Enforce Least Privilege: Give users only the permissions they need to do their work and nothing more.
- Monitor & Log Activity: Keep track of who uses admin access, when, and for what purpose.
- Resetting Passwords Regularly: Don’t let password hashes sit untouched for years.
- Eliminate Local Admin Rights Where Possible: The fewer admin accounts floating around, the safer your environment is.
This approach protects the network, prevents attacks, and reduces accidental damage from well-meaning employees.
What Happens If You Ignore It
If your business continues to rely on local administrator rights without controls, here’s what you’re risking:
- A single compromised account can give attackers the ability to install malware, access sensitive data, and spread across the network.
- You’ll have a harder time enforcing security policies, auditing changes, and maintaining compliance.
- Recovering from an attack or data breach can cost far more than implementing proper access controls in the first place.
We’ve seen organizations lose productivity, data, and money because someone clicked on the wrong thing with the wrong permissions. And attackers know this. They actively look for local admin accounts with weak passwords or identical credentials to move through your network undetected.
A Better Way Forward
The fix isn’t complicated, it just requires a deliberate plan:
- Identify who really needs admin access.
- Remove or limit admin rights for everyone else.
- Centralize and monitor access.
- Rely on your IT provider to handle software installation, updates, and security enforcement.
When you tighten up admin privileges, you protect your employees, your business, and your data. You make it harder for attackers to gain a foothold and easier for your team to stay focused on their work.
Our Advice to Business Owners
If we could give one piece of advice to every business owner about local admin access, it would be this:
“Have a separate admin account for key individuals and keep your day-to-day accounts standard. And when in doubt, let your IT team handle installations and updates for you.”
Most security incidents that start with local admin access are completely avoidable. It’s about building good habits and not leaving unnecessary doors unlocked.
Final Thoughts
We get it, managing admin access doesn’t feel exciting. But ignoring it is like leaving your front door wide open. By reducing the number of people with elevated privileges, enforcing least privilege policies, and using modern tools to manage identity, you build a stronger, safer, more resilient environment.
And here’s the best part: your employees can still do their jobs just without the risk of taking down the entire network by accident.
If your organization hasn’t reviewed who has local admin rights lately, now’s the time. A small change in access control can make a massive difference in your security posture.
👉 Need help removing local admin rights without disrupting your team? Contact Sirius and we’ll help you lock the right doors while keeping productivity high.
