Wongi Lee

Developed tooling used by the team during DEF CON CTF.

Coordinated team operations for DEF CON CTF.

Competed in CTFs with PLUS and delivered internal pwnable lectures, covering exploitation fundamentals, challenge analysis, and practical problem-solving workflows.

Mentored high school students through hands-on security exercises, supported practical attack and defense training, and helped design CTF-style challenges for the camp.

Covered files, directories, processes, environment variables, file descriptors, package management, networking, and editor workflows.

Covered libc GOT overwrite, FSOP, exit handlers, TLS destructor lists, safe linking, and related exploitation techniques.

Covered kernel exploitation primitives, allocator internals, msg_msg, pipe_buffer, and simple_xattr attack surfaces.

Covered V8 object and heap structure, garbage collection, optimization behavior, and exploitation techniques.

Covered PE files, SEH, CFG, NT heap, segmented heap, and Windows exploitation fundamentals.