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Cybersecurity&Systems Engineering

Building secure, scalable systems and exploring the frontiers of cybersecurity

Portfolio by Leandro Afonso

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Featured Projects

Exploring cybersecurity challenges and engineering innovative solutions

Freelance Project

Playlix Website

Designed and developed the official Playlix website using Vue.js, delivering a responsive and fast-loading interface.

Vue.jsWeb DevelopmentUI/UX Design +2
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Live
The Moirai System

Clotho

Built an Evidence-as-Code compliance auditing tool that SSH into servers to verify configuration baselines.

PythonSSHCompliance +4
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Source
The Moirai System

Lachesis

Developed a compliance monitoring dashboard that ingests Clotho audit reports and tracks drift over time.

Node.jsExpress.jsAngular +4
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Source
The Moirai System

Atropos

Engineered a Go-based automated remediation service that "cuts" (isolates/resets) compromised nodes.

GoWebhooksHMAC +4
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Source
Web Programming

Diet Platform Pro

Developed a full-stack web platform to connect nutritionists and patients.

AngularNode.jsExpress.js +5
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Penetration Testing and Ethical Hacking

Penetration Testing & Vulnerability Exploitation

Conducted network reconnaissance and service enumeration using Nmap in a virtualized lab environment.

MetasploitNmapSuricata +4
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