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Roadmaps for newbies Are you starting to study security for the first time? You can learn easily and quickly with four different interactive elements. Start the beginner course
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The largest cyber security community in Korea Dreamhack has the largest community in Korea. Share various security information with the community and Discord! Explore the community

New roadmaps

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9 different areas of study

You'll learn about all aspects of security.
Beginners
System Hacking
Reverse Engineering
Web Hacking
Cryptography
Mobile Hacking
Cloud
Secure Coding
Hardware
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CTF to experience hacking competitions first-hand

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Community

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The question everyone wants to know

These questions have been asked by many users. Do you have any that resonate with you?
https://dreamhack.io/learn/119#7 In this lesson, I understood the exploit design of leaking the library address through a custom function and generating uaf from Robot or Human to run one_gadget, but it seems that the content about library leakage through custom functions is too poor. In this lecture, it's simply “libc
What do al and ah mean? When rax = 0x0123456789abcdef, what is the value of al? Does AL just mean behind? When rax = 0x0123456789abcdef, what is the value of ah? What does ah mean? Why is CD the correct answer? When rax = 0x0123456789abcdef, what is the value of eax? EAX's answer is 89abce
The problem was solved. However, when doing got overwrite, I initially tried to overwrite the got of printf or read, but it didn't work, and I solved it by overwriting got from another function. However, when I overwrite got in printf and read, I'm not sure why it doesn't work, and I want experts to help me with the reason. hehe
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Dreamhack
Dreamhack is a hacker's playground.
Students who want to study hacking and security,
developers who want to write more secure code,
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come together to study, practice, share knowledge, and improve their skills.

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Security Capability Improvement Solutions for Enterprises Dreamhack Enterprise
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The lack of security training has been cited as a limitation of existing security education. Dreamhack Education provides quality courses created by experts and centered on real-world.
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