Hi, my name is

Alfredo Lorentiar.

Cybersecurity Analyst.

I'm a computer science graduate specializing in Cyber Security and Software Engineering. Experienced in Red Teaming, Internal Penetration Testing, and building scalable applications with Java Spring Boot & Angular.

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01. About Me

Hello! I am a Computer Science graduate (GPA 3.78) from Bina Nusantara University. My interest lies at the intersection of software engineering and cyber security.

With over 2 years of enhanced experience, I have worked on:

▹ Handling cyber security incidents
▹ Conducting internal penetration testing (Web)
▹ Developing with Java Spring Boot & Angular

Education

Bina Nusantara University

2020 - 2024

Computer Science (GPA 3.78)

Scholarship: PPTI BCA Awardee

02. Where I've Worked

IT Security Specialist (Middle) @ PT Bank Central Asia Tbk

August 2025 - Present

Focusing on red teaming operations, internal pentest, and IT Security related jobs.

Executed regular security assessments to mitigate cyber threats.
Managed 24/7 Security Monitoring.
Coordinated security training programs.

IT Security Specialist (Junior) @ PT Bank Central Asia Tbk

April 2023 - July 2025

Performed daily tasks as a Cyber Security Analyst focused on Red Teaming and Vulnerability Management.

Troubleshooted phishing awareness (90% reduction in issues).
Proactively identified and resolved security vulnerabilities.

IT Specialist Intern @ PT Bank Central Asia Tbk

August 2022 - March 2023

Managed to develop and enhance new features using Java Spring Boot and Angular.

03. Technical Skills

Languages

Golang Python Java Rust JavaScript PHP

Frameworks

Spring Boot Angular Laravel Flask

Security & Tools

Penetration Testing Active Directory Entra ID Office365 IT Support

04. Certifications & Awards

CompTIA Pentest+

Issued Nov 2025

CompTIA Security+

Issued Dec 2024

CEHv13 (Certified Ethical Hacker)

Issued Oct 2024

eWPT

eLearn Security - Issued Nov 2024

Research Achievement

Hand Sign Language Detection using Deep CNN (95% efficiency).

05. Notable Projects

Beeverse Social Media

A social media web app for hobbyists where people can like and exchange stickers.

Laravel • MySQL • Web App

Simple REST API

A CRUD backend service handling data storage and retrieval operations.

Python • Flask • API

06. What's Next?

Get In Touch

Whether you have a question about security audit, a new opportunity, or just want to say hi, my inbox is always open.

Say Hello