Yeray Y. Lafontaine Martinez
IT & Cloud Security Engineer · Founder, Lafontaine Security LLC · San Juan, PR
📧 [email protected] · 🌐 lafontainesec.dev · 🐙 github.com/V3ND3D · Previously Held U.S. Secret Clearance
Sole IT and security owner for a HIPAA-regulated, 6-site diagnostic imaging organization — and founder of Lafontaine Security LLC, an independent cybersecurity consulting practice serving healthcare, legal, and financial organizations. I design, build, and operate cloud-native security programs on Microsoft 365 Business Premium and Azure — covering Identity, Endpoint, Data Protection, Network, and Monitoring from the ground up. No team. No playbook handed to me. Built from scratch.
| 📍 6 Sites managed across DE, NY, PR | 👥 83 Users | 💻 39 Endpoints |
| 📈 Secure Score ~40% → 96.34% | 📋 16 Governance Docs authored | 🛡️ 7 IR Runbooks covering ransomware, BEC, credential compromise, PACS access, AI server, network intrusion, lost device |
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Identity architecture, endpoint structure, and governance models.
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Threat protection, Beazley compliance program, Duo MFA deployment, and monitoring strategy.
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Autopilot provisioning, compliance pipeline, and device governance.
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Purview governance, DLP, retention, and HIPAA alignment.
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Network & Physical Infrastructure
Meraki MX75 hardening, Cisco Duo RADIUS MFA, AutoVPN, and 6-site deployment.
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Major engineering accomplishments across cloud, security, and infrastructure.
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Current resume and certifications.
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Availability and consulting information.
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