Chaitanya RK

CEO

Amsterdam, North Holland, Netherlands11 yrs experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Founded Yokai Network and led innovative cybersecurity projects.
  • Received multiple CVEs for vulnerabilities in major platforms.
  • Developed open-source security tools enhancing community security.
Stackforce AI infers this person is a cybersecurity expert specializing in application security and vulnerability research.

Contact

Skills

Core Skills

Security EngineeringProduct SecurityVulnerability ResearchMobile SecuritySecurity TestingApi SecurityFuzzing TechniquesVulnerability Discovery

Other Skills

Computer ForensicsComputer SecurityCryptographyExploitationFuzzingIDSInformation SecurityInformation Security ManagementInfrastructure SecurityMalware AnalysisMentoringMetasploitMonitoring SystemsNetwork SecurityOllyDbg

About

Founder and CEO of Yokai Network, with over a decade of experience in cybersecurity. I specialize in Application Security, Vulnerability Research, Fuzzing, and Exploit Development. My work focuses on breaking and securing Messengers, Browsers, Basebands targeting Apple MacOS/iOS platforms among other platforms. Key Achievements: • Founded Yokai Network • I have received multiple CVEs for vulnerabilities in Apple and Android Core Frameworks, Browsers, Basebands, and Messengers • Developed open-source security tools: Lisa.py, ManuFuzzer, Rudroid • "Ultimate Security Champion" at Dell EMC Defenders League • Featured in Security Hall of Fame for Apple, Google, Nokia, BlackBerry, and Facebook • Led SegFault team to victories in global security challenges I am grateful to have worked with leading research groups and companies in my field, including Verint, Gojek, Flipkart, Miro. Passionate about driving innovation in cybersecurity.​ Blog: https://fuzzing.science Github: https://github.com/ant4g0nist

Experience

Askw.ai

Co-founder & CEO

May 2025Present · 10 mos

Yōkai

Founder and CEO

Aug 2022Present · 3 yrs 7 mos · Netherlands

  • Yokai is building the foundational infrastructure for the Agent Economy. We create the secure, trustworthy layer that allows AI agents to discover, verify, and collaborate with each other across organizational boundaries. Through our cryptographic Agent Web of Trust, capability-based registries, and high-performance messaging systems, we're establishing the essential platforms for agent-to-agent communication.

Miro

Security Engineer

May 2021Jun 2022 · 1 yr 1 mo · Amsterdam Area

  • As one of the earliest security engineering hires at Miro, I've had the privilege of building and scaling our product security function during a period of extraordinary growth: 🚀
  • 📈 Helped scale Miro from 8M to 90M+ users while maintaining robust security posture 🎉
  • 💵 Supported company growth through Series B ($76M) to Series C ($476M) funding rounds, contributing to Miro's $17.5B valuation
  • 🎯 Established security practices that now protect 99% of Fortune 500 companies using our platform
  • 👏 Built and scaled security teams during company expansion from 500 to 1500+ employees globally
  • 🙌 Helped engineer security solutions for billions of requests at scale while preserving our collaborative culture ❤️
Security EngineeringProduct SecurityUser GrowthSecurity PracticesTeam Building

Verint

Security Researcher

Jul 2017Oct 2020 · 3 yrs 3 mos · Netherlands

  • Specialized in iOS and Android vulnerability research with focus on:
  • 📱 Discovering and analyzing critical security flaws in mobile ecosystems, including cellular basebands, browsers, and secure communication platforms
  • 🤖 Developing automated fuzzing frameworks to efficiently identify vulnerabilities across proprietary and open-source mobile components
  • ⚙️ Building custom triage systems to prioritize and validate security findings in complex mobile attack surfaces
  • 🔬 Creating proof-of-concept exploits through reverse engineering of baseband processors and encrypted communication protocols
  • 🔄 Streamlining security testing through continuous integration methodologies for comprehensive vulnerability detection
Vulnerability ResearchMobile SecurityFuzzingReverse EngineeringSecurity Testing

Go-jek india

Senior Security Analyst

Apr 2016Jun 2017 · 1 yr 2 mos

  • As one of the first security hires when Gojek was just 20 members strong, I played a pivotal role in scaling our security posture alongside explosive company growth to 250+ employees in India alone and achieving unicorn status:
  • 📱 Built comprehensive security testing frameworks for iOS and Android applications from the ground up during critical early growth phases
  • 🔐 Established and implemented secure development practices for server-side APIs as transaction volumes scaled exponentially
  • 🚨 Pioneered an innovative attack monitoring system leveraging Slack and Elastic Search, providing real-time security visibility across our rapidly expanding infrastructure
  • 🔧 Developed and open-sourced Susanoo (github.com/ant4g0nist/susanoo), a REST API testing framework that became a cornerstone of our security testing methodology
  • 🚀 Scaled security processes and infrastructure to support Gojek's journey from startup to unicorn, ensuring security kept pace with hypergrowth
  • 👥 Mentored new security team members as the organization expanded, establishing security champions across development teams
  • 🌐 Implemented security measures that protected millions of users across Southeast Asia while enabling rapid feature development
Security TestingAPI SecurityMonitoring SystemsMentoringInfrastructure Security

Happily coded

Security Researcher and Co-Founder

May 2015Jun 2017 · 2 yrs 1 mo · Bengaluru, Karnataka, India

  • 🍎 Pioneered advanced fuzzing techniques for Apple iOS and Mac OS X core components, discovering multiple critical vulnerabilities
  • 🔍 Developed distributed fuzzing frameworks specifically optimized for Apple ecosystem applications and core frameworks
  • 🧪 Created innovative grammar-based interpreter fuzzing framework for dynamic languages including Python
  • 💻 Led research team focused on identifying zero-day vulnerabilities in high-value software targets
  • 🏆 Transitioned team to new parent company
Fuzzing TechniquesVulnerability DiscoveryResearch Leadership

Flipkart

Security Analyst

Jun 2014Jul 2015 · 1 yr 1 mo

Stackforce found 100+ more professionals with Security Engineering & Product Security

Explore similar profiles based on matching skills and experience