For many organizations, local administrator rights remain one of the largest, and one of the most avoidable, sources of endpoint risk.
Users are often given administrative privileges to install software or perform occasional maintenance tasks. Yet those same privileges give attackers everything they need to disable security controls, establish persistence and move laterally across the enterprise.
Eliminating local admin rights has long been seen as a security best practice. The problem is that many IT teams hesitate to remove these rights, fearing productivity losses, a flood of helpdesk tickets and overall employee frustration.
Fortunately, modern endpoint privilege management makes it possible to reduce
endpoint risk without disrupting the user experience, even for users who routinely need admin rights. IT teams can finally do what's necessary while keeping employees happy.
"Many organizations continue to grant users, including IT admins, help desk teams, backup operators, and database admins, excessive privileges," says
a recent white paper from Palo Alto Networks. "While these users require some level of privilege to perform their jobs, they don't need full local admin rights. No user should be a local admin."
Why local admin rights should be eliminated
Local administrator rights grant unrestricted control over an endpoint. That level of access is certainly convenient for the user, but it also greatly expands the organization's
attack surface.
If attackers can compromise an account with local admin privileges — such as with a phishing email — they can disable endpoint security tools, install malware, manipulate system memory, alter network configurations, extract sensitive credentials and establish long-term persistence before pivoting to other systems on the same network.
Modern
ransomware campaigns and credential-theft operations frequently depend on privilege escalation, an especially critical path as the window for detecting and containing automated attacks continues to shrink. Yet many organizations continue granting users local administrative rights simply because they have always done so.
The truth is that users today rarely need unrestricted, permanent local administrator access to perform their daily responsibilities. Removing standing permissions and enforcing least privilege raises the organization's security posture and makes it significantly harder for attackers to compromise endpoints and spread throughout the network.
"The fewer privileges they have, the fewer ways they can attack," notes the Palo Alto white paper.
How to remove local admin rights while keeping users happy
The greatest obstacle to removing local administrator rights is often operational. IT teams worry that employees who can no longer install approved software or complete legitimate administrative tasks will become frustrated, complain to management, become less productive or contribute to growing helpdesk queues.
A more effective strategy is to replace standing administrative rights with intelligent, policy-based temporary privilege escalation. Rather than granting permanent, unrestricted access, organizations let approved applications automatically run with elevated privileges while enabling users to request temporary or time-restricted administrative access when necessary.
Users will still be able to use elevated privileges, but only for specific tasks and for a limited time, rather than for everything they do, all the time. Security improves because admin privileges last only for the time needed to complete the task even as the user experience remains largely unchanged.
How security tools can aid in this process
The best approach is to take a structured approach to eliminating local administrator rights.
Organizations should begin by identifying and auditing existing administrative users to understand where elevated privileges are currently assigned, and which users will occasionally need them.
They can then configure policy-based program elevation so users can continue to perform authorized work without requiring full administrator access.
The next step is to systematically remove local administrator rights from all users, which will greatly reduce the organization's attack surface.
Finally, extra safeguards, such as implementing
privileged access management, must be assigned to workplace groups that often need temporary admin rights to complete their tasks.
Security tools like Palo Alto Networks' Idira Endpoint Privilege Manager can extend this strategy beyond privilege removal. They combine least-privilege enforcement with application control, credential protection, conditional security policies and compliance reporting while securing Windows, macOS and Linux endpoints across on-premises, hybrid and cloud environments.
"By adopting a comprehensive
identity security strategy on the endpoint," says the Palo Alto Networks white paper, "organizations can eliminate local admin rights without sacrificing productivity, ensuring strong security while keeping end users efficient and empowered."