Dreamhack

South Korea's #1 Cybersecurity Training Platform

Dreamhack is built by the world-class hackers behind the record-breaking nine DEF CON championship titles and multiple Pwn2Own victories. Our platform helps learners at every level develop real, job-ready skills through structured training and hands-on, challenge-driven practice.

A Community Built by Hackers, for Hackers.

• 180+ Courses: From core fundamentals to LLM security, blockchain, and more
• Browser-Based VM Labs: Start hands-on practice instantly with zero setup
• 1,000+ Real-World Wargames: Train with continuous challenges modeled after real attacks
• Regular Competitive CTFs: Measure your progress with recurring, structured competitions
• Active Hacker Community: Get support, share insights, and grow alongside other hackers.

Start your journey to becoming a world-class hacker with Dreamhack.

Visit Dreamhack

ENKI WhiteHat

Offensive Security Specialists Based in South Korea

We provide advanced offensive security services and products powered by real-world attack expertise and threat intelligence.

Proven Track Record:

• 21 CTF events organized including CODEGATE — 2,800+ hackers from 50+ countries
• 100+ vulnerabilities disclosed to major vendors
• 24 championships in CTF competitions

Services:

• Offensive Security Assessment — Real-world attack simulations and penetration testing
• Cyber Threat Intelligence — Proactive threat hunting and adversary analysis
• Vulnerability Research — Discovering and analyzing security flaws in SW/HW

Products:

• OFFen — Integrated ASM + PTaaS platform
• CAMP — Real-world based security training platform

Why ENKI WhiteHat: As CTF organizers, CTF champions, and active vulnerability researchers, we understand how elite hackers operate. This frontline experience directly powers our services and products.

→ Visit Homepage ←

ExpOnlyNoPoC

We are not a company — just trying to build a network of researchers, especially in South Korea (or nearby countries!), to collaborate on fun and interesting security vulnerability research without violating your (and our) NDAs!

If you have any vulnerability research projects you'd like to dig into together, feel free to DM via X:
https://x.com/exp_only_no_poc

Zellic

Zellic is a security research firm. Our targets include compilers, virtual machines, web apps, circuits, proof systems, and more. Before Zellic, we founded perfect blue, the #1 CTF team in 2020 and 2021. If you're smart and good at CTFs, we'd love to meet you.

We offer a complete benefits package and direct equity participation. We also provide flexible hours, remote work options, and both full-time and part-time roles. Our team enjoys regular fully-funded offsites and a wide range of perks.

Ask your friends — you might already know someone who works here.

To learn more, check out our blog:
zellic.io/auditooor-grindset

Work at Zellic:
jobs@zellic.io | zellic.io/careers | @gf_256

Meet the founders:
- Luna: @gf_256 on Discord (Twitter)
- Jazzy: @jazzyzellic on Discord (Twitter)