JLInformation Security Intern

I’m Jordan Liao, exploring my first real career steps

I have some work experience and I am looking to turn that into a defined career path.

Work samples

A collection of projects and tasks from my initial work experience, shared to show what I can do and how I learn on the job.

  • HackerOne: Hacker101 CTF | Web Hacking
    HackerOne: Hacker101 CTF | Web Hacking

    Captured 8 flags across intermediate web applications, identifying critical flaws including IDOR, SQL Injection, XSS, and parameter pollution Utilized Burp Suite and manual source code analysis to intercept traffic, map attack surfaces, and execute automated payloads via sqlmap Authored vulnerability remediation reports detailing technical proof-of-concepts and actionable defensive patches for discovered bugs

    Burp Suitesqlmap
  • tcpscan - Network Scanner/Service Fingerprinter | Python, Scapy
    tcpscan - Network Scanner/Service Fingerprinter | Python, Scapy

    Implemented a raw TCP SYN network scanner in Python using Scapy, building a multi-stage probe cascade to accurately fingerprint plaintext/TLS services and extract SSL certificate Common Names

    PythonScapy

About me

I have some work experience and I am looking to turn that into a defined career path.

I am Jordan Liao. I have some work experience but I do not yet feel like I have officially started my career. I am exploring opportunities to build on what I’ve done and find a clear direction.

Experience

Information Security Intern

Stony Brook University Hospital · June 2024 - May 2026

Code Reviewer

Remotasks/Outlier AI · March 2024 - December 2024

Education

Stony Brook University

Bachelor of Science in Computer Science · Class of 2026

Skills

Early-career experienceLearning on the jobExploring career directions

HackerOne: Hacker101 CTF | Web Hacking

Captured 8 flags across intermediate web applications, identifying critical flaws including IDOR, SQL Injection, XSS, and parameter pollution Utilized Burp Suite and manual source code analysis to intercept traffic, map attack surfaces, and execute automated payloads via sqlmap Authored vulnerability remediation reports detailing technical proof-of-concepts and actionable defensive patches for discovered bugs

Burp Suitesqlmap
View all work

tcpscan - Network Scanner/Service Fingerprinter | Python, Scapy

Implemented a raw TCP SYN network scanner in Python using Scapy, building a multi-stage probe cascade to accurately fingerprint plaintext/TLS services and extract SSL certificate Common Names

PythonScapy
View all work

Twitter-Clone Security Hardening | PHP, PostgreSQL, fail2ban, Git

Mitigated critical web vulnerabilities by securing application source code against SQL Injection and Cross-Site Scripting via robust input sanitization and output encoding Configured perimeter defenses using fail2ban, configuring automated rate-limiting and IP banning rules to protect endpoints against DoS and brute-force attacks

PHPPostgreSQLfail2banGit
View all work