Why RMM becomes part of the attack surface

RMM platforms grant technicians unattended administrative privileges across thousands of customer machines, turning the management infrastructure itself into an attractive target. A single compromised privileged account or server can expose far more than one endpoint to attackers.

Recent incidents underscore both dimensions of this risk. In September 2026, BleepingComputer reported that N-able released an emergency hotfix for CVE-2026-86218, a maximum-severity pre-authentication remote code execution vulnerability in N-central RMM, marking the fourth hotfix in five weeks with approximately 1,500 servers exposed online.

Earlier, in July 2025, BleepingComputer covered Microsoft SharePoint zero-days CVE-2025-53770 and CVE-2025-53771, which were exploited before patches became available. At least 85 on-premises servers were compromised, with one attack targeting the management plane directly and the other demonstrating how quickly customer networks become vulnerable when patching lags behind active exploitation.

CISA has also flagged that ransomware operators leverage legitimate RMM software to penetrate downstream customer networks. MSPs must therefore understand the consequences when an account, endpoint or management workflow falls under attacker control.

Eight controls every MSP should validate

1. Endpoint discovery and inventory

MSPs cannot defend devices they do not see. Capable RMM platforms should continuously identify and catalog endpoints, servers, network infrastructure and software components. During product evaluation, add a test device to a lab environment and measure how long it takes for the platform to discover it, categorize it and apply the appropriate policy.

2. Risk-based patch management

Unpatched vulnerabilities remain among the most frequently exploited attack vectors. Assess how the platform ranks updates by risk, manages failed deployments and enables rollback when patches cause problems. A real patch deployment in a controlled setting often reveals operational weaknesses that vendor demos hide.

3. Access controls and privileged administration

RMM security hinges on the strength of technician account security. Examine whether the platform offers multifactor authentication, role-based access controls and clear separation of duties. Build restricted technician roles and confirm that users cannot exceed their assigned permissions.

4. Alert prioritization and operational visibility

The typical problem is not insufficient alerts but excessive ones. An effective RMM platform should supply enough detail to help technicians rapidly separate normal activity from genuine threats. Testing how the platform handles duplicate and security alerts reveals whether it reduces or worsens alert fatigue.

5. Secure automation and scripting

Automation boosts productivity but also increases exposure. Scripts can execute privileged operations across large device populations, requiring strict controls. MSPs should test approval workflows, logging and execution transparency by creating and updating test scripts during the evaluation phase.

6. Integration with security operations

Operational and security teams should work through the same platform without friction. When a threat emerges, technicians should transition from detection to containment and recovery while retaining full context. Simulating a real incident often exposes integration weaknesses that static testing misses.

7. Recovery readiness

Security encompasses recovery as much as prevention. Test how backup, patching, remote access and incident response capabilities function together following a breach. Recovery validation should confirm that restored systems return to a secure state with all patches applied.

Acronis Cyber Platform integrates RMM with backup and anti-malware scanning of recovery points, where included in the service package, allowing restores to be validated for integrity and missing patches before systems return to production.

8. Tenant separation and auditability

For MSPs serving multiple customers, robust tenant isolation is non-negotiable. Verify that policies, permissions, reports and administrative actions remain strictly isolated between client accounts. Comprehensive audit logs should enable compliance verification, customer reporting and incident forensics.

Unified platform versus point solutions

Standalone products may offer specialized depth. A natively integrated platform can minimize agent overhead, reduce console switching and eliminate reconciliation overhead.

The real measure is workflow continuity: can technicians move from discovery through patching, investigation, containment and recovery while maintaining visibility into client, device and incident relationships?

Consolidation is not inherently superior. MSPs with established integrations should weigh the operational gains of a unified platform against the flexibility and specialist capabilities of their current tools. The choice should reflect tested outcomes, security controls and operational needs rather than feature breadth alone.

How Acronis Cyber Platform addresses the checklist

Acronis RMM is part of Acronis Cyber Platform and shares a single console and agent with its cybersecurity and data protection components.

Capabilities and licensing differ by service package, so MSPs should align their specific configuration against each control rather than assuming all EDR, XDR, MDR, backup or disaster recovery features are available.

  • Device Sense™; hardware and software inventories — Confirm supported discovery methods and policy assignment.
  • Automated patching; AI risk scoring; fail-safe patching — Confirm application coverage and configuration requirements.
  • Multifactor authentication; role-based management; granular roles — Test least-privilege scope and audit records.
  • Anomaly-based monitoring; auto-response; shared platform context — Test tuning, grouping and escalation workflows.
  • Self-defense; two-step approval; audit logs; secure credential storage — Test production script changes and execution history.
  • Native integration with Acronis EDR and Acronis XDR — Verify entitlements and containment workflow.
  • Backup integration; anti-malware scans; fail-safe patching — Verify storage, package and recovery requirements.
  • Multitenant management; role-based access; reporting — Confirm per-client segregation and exports.

Common questions

What should MSPs prioritize when evaluating secure RMM software?

Move beyond basic monitoring and remote access capabilities. Seek strong identity controls, tenant separation, endpoint discovery, safe automation, patch management, auditable technician actions and integration with security and recovery functions. Platforms like Acronis Cyber Platform consolidate these functions on shared infrastructure rather than requiring separate integration work.

How should RMM integrate with EDR, backup and disaster recovery?

The tools should preserve sufficient client, device and incident context so technicians can move from monitoring to containment and recovery without re-entering information in each console. The recovery path must also remain functional if the management workflow itself is compromised.

Bottom line

RMM security extends beyond ensuring uptime and remote access capability. Before expanding RMM deployments, MSPs should run pilots that stress-test difficult scenarios: an unmanaged endpoint, a failed patch, an unauthorized script, a compromised test device, a restricted technician account and a restore that requires additional patching.

Validating these eight controls demonstrates whether a platform can lower operational risk while technicians oversee growing endpoint populations.