the people behind echostrike

Built by operators, researchers and cybersecurity leaders.

EchoStrike brings together commercial cybersecurity delivery, offensive-security experience and applied AI research. The platform is new. The people behind it are not.

Chris Puranasamriddhi
Co-Founder & President

Chris Puranasamriddhi

An AI-cybersecurity entrepreneur and investor with 16+ years leading corporate development, capital management and cross-border joint ventures for major multinational enterprises. Previously Director of Corporate Marketing at The Mall Group and Managing Partner & CBDO of CloudSec Asia, he bridges high-level capital management with deep-tech innovation.

Advisor to the CEO, Thoresen Thai Agencies PCL Yarix APAC board
Dr. Varin Khera
Founder & CTO

Dr. Varin Khera

25+ years securing telecom, enterprise and critical infrastructure across Europe, the Middle East and APAC. A Nokia veteran (Melbourne, Berlin, Bangkok) and Doctor of Information Technology from Murdoch University in Perth, Western Australia, he invented the patent-pending ATVE and leads EchoStrike's technical direction and research strategy.

Peer-reviewed research in IEEE, Elsevier Array and other venues; co-author, Open Source Intelligence (OSINT) — A Practical Introduction: A Field Manual, with Anand R. Prasad & Suksit Kwanoran (River Publishers, 2024).

ISC2 ISLA award Yarix APAC board Media commentator, cybersecurity & AI Forbes Thailand contributor
60+years combined experience across the wider leadership team
12years of cybersecurity delivery history
150+projects delivered
research leadership

Oxford Science Park research. Bangkok field operations.

EchoStrike's research program is based at Oxford Science Park, working alongside the offensive-security team in Bangkok. The aim is to combine applied AI research, offensive-security expertise and real-world product evidence into one goal: autonomy that is provably bounded — deterministic scope, calibrated trust. The work is set out in a public architecture paper and a formal companion paper.

Oxford Science Park research Offices in Oxford & Bangkok ATVE patent-pending Provably bounded autonomy
ATVE
Adaptive Threat Validation Engine — patent-pending, closed-loop validation of real attack paths.
Determinism bound
A measured bound on how far a proof held along the path that produced a finding — the number behind "calibrated trust". See the companion paper.
Causal reasoning
Modelling cause-and-effect across an attack chain, not just correlated signals, so findings hold up under retest.
Human-machine
Research into where autonomous agents and human operators should hand off decisions during live engagements.
research & operating leadership

A wider team around the founders.

Yair Poplawski
Advisor

Yair Poplawski

A Lieutenant Colonel (Ret.) in Israeli military intelligence, Yair advises EchoStrike as a connector to Israeli technology and leadership circles. Based in Singapore.

Dr. Pinyo Taeprasartsit
Head of AI Research

Dr. Pinyo Taeprasartsit

20+ years in AI research across academia and industry in the US and Thailand. Most recently Senior AI Engineer at DNAnexus, building an AI-assisted conversational IDE for drug discovery later adopted by Eli Lilly; previously a decade as university lecturer at Silpakorn University. PhD in Computer Science & Engineering, Penn State. Lead author of EchoStrike's companion research paper formalising determinism-bounded authorization.

Author of 30+ peer-reviewed papers (h-index 10) across IEEE, Elsevier and SPIE — including NIH-funded CT image analysis and Microwave Ablation of Lung Tumors: A Probabilistic Approach for Simulation-Based Treatment Planning (Medical Physics, 2021) — and inventor of a patent-pending algorithm for non-contact vital-signs measurement.

Ex-DNAnexus Royal Thai Govt scholar Patent-pending inventor
Kusol Watchara-Apanukorn
Head of Offensive Security & Vulnerability Research

Kusol Watchara-Apanukorn

Over 10 years in offensive security, red teaming, bug bounty hunting and 0-day research — a key figure in Thailand's hacker community and the ASEAN security network. Credited with high-profile CVEs in Fortinet and Lenovo platforms, and listed across antivirus Hall of Fame programs and ZDI public disclosures.

Credited by Fortinet (CVE-2024-35281, FortiClient/FortiVoiceUC code execution) and in a Lenovo security advisory (LEN-29187); publicly disclosed antivirus privilege-escalation flaws under the alias SHA999. Leads the SECStrike research team behind 15+ discovered CVEs.

OSCP GPEN eCXD CRTP
work with us

Commercial security product. Deep-tech research underneath.

Talk to the team about product deployment, strategic partnerships or research collaboration.