Game Security Software Engineer

About KRAFTON Americas KRAFTON is a collective of studios, each with their own distinct creative identity. Our team is always aspiring to evolve, innovate, and create new technology and entertainment experiences that fans can interact and engage with for years to come. This is the power of KRAFTON continuously generating unparalleled creation based on technology.

KRAFTON Americas

K

krafton.com

1,001-5,000 employees

Computer Games

Seoul, Seoul

Public Company

59k LinkedIn followers

Raised $581.9M

• We develop, apply, and operate game security solutions and security operations
• systems to create a trusted gameplay environment for KRAFTON games.
• Centered around KRAFTON Security Services (KSS), we provide core capabilities
• and services required for game security, including Anti-Cheat, Anti-Tamper,
• security operations, data analysis, and ML-based detection.
• technologies and operational capabilities. It is evolving into a standardized
• security platform that multiple game studios can adopt quickly and reliably.
• Develop KSS Anti-Cheat and client security features to detect and respond to
• cheats, tampering, bypasses, automation, and unauthorized tools that may occur
• in game runtime environments.
• Based on an understanding of user-mode and kernel-mode behavior in Windows
• environments, you will analyze security threats that occur between game clients
• and the operating system, and design and implement security features with
• stability and performance in mind.
• Detect and respond to cheat behaviors such as game client tampering, memory
• manipulation, code injection, hooking, debugging, and automation tools
• Design and implement user-mode and kernel-mode security features
• Conduct security analysis based on Windows internals and OS behavior,
• including processes, threads, memory, drivers, and system calls
• Review and improve the stability, performance, and false-positive risk of
• security detection logic
• Analyze new cheat and attack techniques and research defensive technologies
• Provide technical support and improvements to ensure KSS security features
• are reliably applied across various game environments

Required

• 5+ years of experience with low-level Windows development expertise focused
• on working on security and/or anti-cheat (at game companies preferred)
• Understanding of Windows internals, including processes, threads, virtual
• memory, synchronization, DLLs, and PE structures
• Ability to understand x64 assembly code and analyze the behavior of
• disassembled code
• Understanding of core operating system concepts such as kernels, drivers,
• system calls, interrupts, and memory management
• Basic knowledge of computer architecture, CPU operation, memory structure,
• and executable file loading processes
• Ability to analyze problems from a security perspective and design solutions
• while considering potential bypass methods
• Studies have shown that women and people of color are less likely to apply at
• jobs unless they meet every single qualification.  At Krafton we are dedicated
• to building a diverse, inclusive, and authentic workplace, so if you’re excited
• about this role but your past experience doesn’t align perfectly with every
• qualification in the job description, we encourage you to apply anyway.  You
• might just be the right candidate for this or other roles.
• Due to recent scams, our recruiters will only reach out to you via @sds.com,
• @krafton.com or @pubg.com. If you received an email and are unsure you can
• always email recruiting_ka@krafton.com.

Preferred

• Experience developing Anti-Cheat, DRM, EDR, security solutions, or client
• protection technologies
• Experience developing Windows kernel drivers
• Understanding of x86/x64 assembly, calling conventions, exception handling,
• and debugging techniques
• Experience using analysis/debugging tools such as IDA, Ghidra, WinDbg, and
• x64dbg
• Understanding of techniques such as code injection, API hooking, manual
• mapping, DKOM, rootkits, anti-debugging, and anti-tamper
• Understanding of Windows platform security technologies such as TPM, Secure
• Experience operating security features reliably in large-scale live game
• environments
• Experience in low-level system programming with consideration for
• performance, stability, and compatibility
• individuals. As part of this commitment, the Company will ensure that persons
• KRAFTON Americas provides equal employment opportunities to all employees and
• applicants for employment and prohibits discrimination and harassment of any
• type.
• In California, the expected salary range for this position is $146,000-$200,000.
• The listed expected salary range represents a good faith estimate and the actual
• pay may depend on a variety of job-related factors that can include experience,
• education, skills, and location.