🛡️ IT & Cybersecurity Specialist

Building secure, reliable systems
and solving real problems.

Hands-on IT and cybersecurity professional with experience in technical support, networking, and system troubleshooting.

Bonexandre Alexilien ALEXIS portrait

About Me

I am an IT and cybersecurity professional with a strong foundation in computer science and hands-on experience supporting users, systems, and networks in real production environments.

I hold a Bachelor’s degree in Computer Science and industry certifications including CompTIA A+, Network+, and Security+, along with cybersecurity training from the University of South Florida.

My experience includes IT support for healthcare organizations across multiple locations, where reliability, security, and clear communication were critical.

Projects

Featured cybersecurity projects (summary view). Full documentation available on GitHub.

Zero Trust Architecture

Enterprise Security Design

Designed and analyzed a Zero Trust Architecture focused on identity-first security and continuous verification.

  • IAM, MFA, FIDO2 & access control
  • Role-based & attribute-based access
  • Reduced breach impact & audit findings
View full analysis on GitHub →

CIS Critical Security Controls

Governance & Risk Mitigation

Applied CIS Controls to real-world security scenarios including phishing, unpatched systems, and unmanaged software.

  • CIS Controls v8 mapping
  • Policy-to-implementation analysis
  • Security awareness & asset control
View full analysis on GitHub →

System Hardening & Endpoint Security

Attack Surface Reduction

Analyzed system hardening techniques to protect endpoints against cyber and physical threats.

  • OS patching & configuration
  • USB attack prevention
  • Third-party software risk
View full analysis on GitHub →

Security Monitoring (M&A Case Study)

Blue Team & Enterprise Integration

Evaluated security monitoring challenges during a merger between two organizations with different security maturity levels.

  • SIEM & monitoring strategy
  • Governance & PMO coordination
  • Data exposure risk reduction
View full analysis on GitHub →

Web Application Vulnerability Remediation

OWASP Top 10

Identified and remediated critical web vulnerabilities following OWASP best practices.

  • XSS, CSRF, SQL Injection
  • Sensitive data exposure
  • Logging & monitoring gaps
View full analysis on GitHub →

Authentication & Injection Failures

OWASP Focused Analysis

Analyzed authentication weaknesses and injection flaws in a web application.

  • MFA & password policy gaps
  • Secure APIs & input validation
  • Access control improvements
View full analysis on GitHub →

MFA Bypass & Social Engineering

Uber Incident Case Study

Analyzed a real-world breach involving MFA fatigue and social engineering techniques.

  • Identity-based attacks
  • Incident response actions
  • Strengthening MFA defenses
View full analysis on GitHub →

Cryptographic Failures

TLS & Encryption Analysis

Examined major cryptographic failures to understand root causes and security lessons learned.

  • Heartbleed & DROWN
  • TLS misconfiguration
  • Secure crypto implementation
View full analysis on GitHub →

Penetration Test Gone Wrong

Legal & Ethical Case Study

Reviewed a real penetration testing incident that resulted in legal consequences.

  • Rules of engagement failures
  • Authorization & scope issues
  • Professional and legal risk
View full analysis on GitHub →

Skills

🖥️ IT Support

Troubleshooting, hardware/software, user support, ticketing

🌐 Networking

TCP/IP, DNS, DHCP, basic routing, connectivity troubleshooting

🛡️ Cybersecurity

Vulnerability assessment, security monitoring, access control, incident analysis

🧰 Tools

Windows, Linux, Active Directory, Nmap, Wireshark, SIEM concepts

Certifications

Industry-recognized certifications and training that support my IT and cybersecurity foundation.

CompTIA A+

Core IT support skills: troubleshooting, hardware, operating systems, and basic security.

CompTIA Network+

Networking fundamentals: TCP/IP, DNS, DHCP, troubleshooting, and network operations.

CompTIA Security+

Security foundations: risk, threats, controls, secure architecture, and incident basics.

Certified Cybersecurity Analyst (USF)

Hands-on cybersecurity training focused on practical analysis, frameworks, and reporting.

Google IT Support Professional

IT support fundamentals: troubleshooting workflow, systems, and customer support practices.

Experience

Relevant professional experience supporting users, systems, and secure operations.

IT Support Specialist — Healthcare Facilities (USAID Project)

Catholic Medical Mission Board (CMMB) • Haiti

  • Provided IT support across 20+ hospitals and healthcare centers in multiple departments.
  • Troubleshot hardware/software issues, printers, and basic network connectivity problems.
  • Delivered user support and clear documentation to keep critical services running.

Education

Academic foundation and cybersecurity training.

Bachelor’s Degree in Computer Science

École Supérieure d’Infotronique d’Haïti (ESIH)

Cybersecurity Training & Certificate

University of South Florida (USF)

Contact

Email: abonnexandre@gmail.com

LinkedIn: linkedin.com/in/bonnexandre-alexis

GitHub: github.com/bonnexandre

Location: Tampa, FL — open to remote / hybrid