Reegun Jayapaul
Director - Threat Research
Chennai, Tamil Nadu, India
Summary
👤
Senior🎓
Top SchoolReegun Jayapaul is a director-level threat researcher with over a decade of hands-on experience in malware analysis, reverse engineering, incident response, and offensive security, currently leading threat research at Cyderes. He has driven detection and remediation across industries, orchestrating forensic response to 50+ breaches and reducing recurrence through improved processes and AI-driven hunting techniques. A proven vulnerability discoverer and investigator, Reegun has reported high-impact flaws (including a Microsoft Teams RCE) and led analyses of notable campaigns like GoldenSpy and GoldenHelper. He mentors teams in advanced threat-hunting methodologies, authors YARA rules and Python tools to automate investigations, and contributes to the LOLBAS project documenting adversary evasion techniques. Based in Chennai, he blends deep technical reverse-engineering skills with strategic threat intelligence to turn research into customer-facing detection capabilities. An under-the-radar strength is his repeated ability to translate offensive research into operational defenses that both harden environments and open new business opportunities.
9 years of coding experience
3 years of employment as a software developer
HSLC, HSLC at St Gabriels Higher Secondary School in Broadway,ChennaiBachelor of Technology - BTech Information Technology, Bachelor of Technology - BTech Information Technology at IFET college of Engineering
Github Skills (11)
blueteam10
binaries9
poc9
utilities3
swift3
utility3
toolbox3
security2
developer-tools2
macos2
cybersecurity2
Programming languages (3)
Github contributions (5)
jreegun/Researches
Jun 2019 - Aug 2020
Contains poc's and my research works
Contributions:22 commits, 24 pushes, 1 branch in 1 year 2 months
poc
jreegun/LOLBAS
Jun 2019 - Aug 2020
Living Off The Land Binaries And Scripts - (LOLBins and LOLScripts)
Contributions:6 pushes in 1 year 1 month
lolscriptsbinariesliving-off-the-landlandlolbins
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