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Securing RMM Software: 8 Essential Controls for MSPs

As remote monitoring and management platforms become prime targets for attackers, security experts recommend rigorous testing across eight core operational controls.

Radwan AbdulhadiEditor and technology writer

Published: October 6, 2026 · Updated: October 6, 2026 · 4 min read

Securing RMM Software: 8 Essential Controls for MSPs — Image: BleepingComputer

The High Stakes of RMM Security

Remote monitoring and management platforms give technicians unattended administrative access across thousands of customer devices, making the management plane a lucrative target for malicious actors. Compromising a single privileged account or server can easily extend the blast radius far beyond an individual endpoint. Security frameworks and industry guidelines, such as those detailed by CISA regarding how they abuse legitimate RMM software, emphasize the urgent need for robust risk mitigation.

Recent high-profile security events illustrate the severe exposure facing organizations when management software is targeted. For example, BleepingComputer reported on an emergency hotfix for CVE-2026-86218 affecting an enterprise RMM platform, while past investigations into Microsoft SharePoint "ToolShell" zero-days demonstrated how quickly on-premises servers can be compromised before patches become available.

Core Controls for Endpoint Discovery and Patching

An MSP cannot secure devices that it does not know exist within the network architecture. Effective platforms must continuously discover and inventory endpoints, servers, network devices, and software assets. During product evaluation, introducing a new device into a test environment helps assess how quickly the system discovers, classifies, and assigns the correct policy.

Unpatched vulnerabilities remain among the most prevalent attack vectors. Evaluating how an RMM platform prioritizes updates, handles deployment failures, and supports rollback functionality is critical. Conducting a controlled patch deployment often reveals operational gaps that are easily missed during a standard vendor product demonstration.

Identity, Access, and Alert Management

RMM security depends heavily on the security surrounding technician accounts. Evaluators should look for mandatory multifactor authentication, role-based access controls, and strict separation of duties. Establishing restricted technician roles ensures that users cannot execute actions outside their designated operational responsibilities.

Furthermore, the challenge in security monitoring is frequently not a lack of alerts, but rather an overwhelming volume of them. An ideal platform provides sufficient context to help technicians rapidly distinguish routine notifications from events that require active investigation. Testing duplicate and security-related alerts helps measure whether a platform reduces or exacerbates alert fatigue.

Automation Safety and Incident Integration

While automation greatly improves operational efficiency, it also expands the overall risk surface. Scripts can perform privileged actions across massive numbers of devices simultaneously, making governance and oversight critical. Managed service providers should carefully evaluate approval controls, auditing mechanisms, and execution visibility by creating and modifying test scripts during the evaluation phase.

Operational and security workflows should function together seamlessly. When a threat is detected, technicians need the capability to move quickly from initial investigation to containment and recovery without losing vital context. Simulating a security incident remains one of the most effective methods for identifying integration gaps across management software tools.

Recovery and Tenant Isolation

Security is equally about effective recovery as it is about prevention. Organizations must evaluate how backup, patching, remote access, and incident response processes interact following an incident. Recovery testing must include verifying that restored systems return to a secure and fully updated operational state.

For service providers managing multiple clients, strong tenant isolation is indispensable. Verification is required to ensure that policies, permissions, reports, and administrative actions remain strictly isolated between separate client environments. Detailed audit trails are also necessary to support compliance reviews, customer reporting, and internal incident investigations.

Evaluating Unified Platforms

Many security solutions integrate RMM capabilities within broader enterprise toolsets, such as the offerings provided through the Acronis Cyber Platform. While separate specialist products can offer deep capabilities, a natively integrated platform often reduces agent counts, console switching, and complex reconciliation work.

Ultimately, the practical test for any managed service provider remains workflow continuity. Evaluators should determine whether technicians can transition smoothly from discovery to patching, investigation, containment, and recovery while preserving client, device, and incident context. Decisions should be rooted in tested security controls rather than raw feature counts.