# Secure a critical platform with more than 100 VMs

Adrien Murillo — Murillo Consulting

Space and defense environment with availability, continuity, vulnerability and accreditation constraints.

## Role
Operational security, MCO/MCS coordination and accreditation evidence.

## Challenge
Keep the platform operational while qualifying CVEs, SSI gaps and the expected hardening actions.

## Actions
Prioritized vulnerabilities, managed MCO/MCS for Proxmox clusters, automated PXE/Puppet workflows, performed impact analysis and consolidated Graylog, Nagios and Splunk monitoring evidence.

## Outcome
Qualified gaps and CVEs, structured remediation plans and consolidated evidence for SSI accreditation review.

- Prioritized CVEs
- Proxmox operations
- Hardening
- Logs and metrics
- Accreditation evidence

Reworded professional experience. Sensitive architecture and operational details are not published. No organizational endorsement is implied.



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[Contact](mailto:contact@adrien-murillo.com)