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alexrepsec/README.md

Hello, I'm Alexander Zayas

I am a recent graduate with a deep interest in technology and a dedication to solving complex problems.

Objective

My journey in computer science has led me to develop a passion for cybersecurity, and I am now eager to transition into this field, specifically aiming to join a Security Operations Center (SOC) as a Cybersecurity Analyst.

Skills

🛡️ Cybersecurity

Cybersecurity Fundamentals (CIA Triad, Threat Modeling) | Ethical Hacking & Penetration Testing | Vulnerability Management & Risk Evaluation | Digital Forensics & Incident Response (DFIR) | Applied Cryptography (Encryption, PKI, Hashing) | Web & Mobile Application Security (OWASP Top 10) | Wireless Router Hardening & Security (WPA2, MAC Filtering).

🌐 Networking

Cisco Networking (Routing, Switching, Troubleshooting) | Network Security & Secure Communications | Remote Access Protocols (SSH, Telnet) | File Transfer Protocols (FTP/SFTP) | Network Diagnostics (Ping, ICMP, TTL) | VTY Line Configuration & Access Control | Firewall & Endpoint Security.

☁️ Cloud & Infrastructure

Microsoft Azure | Google Cloud Platform (GCP) | Amazon Web Services (AWS) | IT Support & Infrastructure Management | Hardware/Software Troubleshooting.

🖥️ Operating Systems

Windows Security & Hardening | Linux Security & Hardening | System Access Control.

📋 Compliance & Governance

Security Frameworks & Governance Policies | Regulatory Compliance | Normatives & Security Standards.

🧰 Tools & Platforms

Cisco Packet Tracer | Microsoft 365 | Google Workspace.

👥 Leadership & Soft Skills

Team Supervision & Mentoring | Technical Training & Development | Process Improvement | Escalation & Complex Troubleshooting | Bilingual — Spanish (Native) / English (Advanced).

SkillAssociated Project
SIEM Implementation and Log AnalysisLog Analysis Lab
Traffic Capture Monitoring and Attack DetectionSOC Automation Lab
Security Automation with Shuffle SOARSOC Automation Lab
Incident Response Planning and ExecutionSOC Automation Lab
Case Management with TheHiveSOC Automation Lab
Scripting and Automation for Threat MitigationSOC Automation Lab

Tools

Network

Endpoint

Cloud

SIEM

Certifications

Projects

Write-Ups

Pinned Loading

  1. Case-Management-with-TheHiveCase-Management-with-TheHivePublic

    This project demonstrates a full incident response cycle using TheHive 5 as a Case Management platform in a home SOC lab environment.

    Shell

  2. incident-response-labincident-response-labPublic

    A fully functional home lab simulating a real-world attacker vs. defender scenario built on VMware with Ubuntu Server and Kali Linux.

    Shell

  3. IOC-Enrichment-TriageIOC-Enrichment-TriagePublic

    This project demonstrates the deployment of an automated IOC (Indicator of Compromise) Enrichment and Triage pipeline built on Shuffle SOAR in a home lab environment.

    Python

  4. Log-Analysis-LabLog-Analysis-LabPublic

    The lab covers the full setup of a Wazuh Manager on Ubuntu Server, agent deployment on a Windows 11 host, and real-time File Integrity Monitoring (FIM) using Wazuh's Syscheck module.

  5. Scripting-and-Automation-for-Threat-MitigationScripting-and-Automation-for-Threat-MitigationPublic

    This project demonstrates a real-world threat mitigation pipeline built with Python and Bash. A web server running on Ubuntu Server 22.04 is attacked by a Kali Linux machine using Nikto (a web vuln…

    Python

  6. soc_automation_labsoc_automation_labPublic

    AI-powered SOC triage pipeline built in a home lab using VMware, Python, and Airia AI. Simulates ICMP flood attacks from Kali Linux, auto-detects malicious traffic with tshark, generates structured…

    Python