Profile
Arockia Arulnathan A · Cybersecurity Leader & CISO
To drive enterprise cybersecurity strategy, governance, and digital transformation by leveraging 13+ years of leadership experience in building resilient security programs, managing cyber risk, and aligning security initiatives with business objectives.
Career
Experience timeline
- Provide strategic leadership for the enterprise cybersecurity function, aligning security strategy, governance, and operational resilience with business objectives across corporate and manufacturing environments.
- Developed and executed an enterprise-wide Cybersecurity Roadmap integrating governance, security architecture, risk management, and operations to strengthen organizational cyber resilience and security maturity.
- Spearheaded cybersecurity strategy for a Greenfield Lithium-ion Gigafactory by implementing Zero Trust security architecture across critical IT/OT environments, strengthening protection of industrial control systems and manufacturing operations.
- Serve as a trusted advisor to Executive Leadership and the Board by translating complex cyber risks into business-focused metrics, enabling informed investment decisions, governance oversight, and risk prioritization.
- Directed enterprise-wide Information Security Management System (ISMS) initiatives, regulatory compliance, third-party risk governance, and audit readiness aligned with ISO 27001 and industry best practices.
- Led global evaluation, Proof of Concept (POC), procurement, and deployment of enterprise security technologies including EDR, DLP, MDR, and Business Continuity solutions to strengthen organizational security posture.
- Established security governance frameworks, enterprise policies, risk registers, and executive reporting mechanisms to improve cybersecurity visibility, accountability, and regulatory compliance.
- Champion cybersecurity awareness initiatives, promoting a security-first culture through leadership engagement, employee training, and cross-functional collaboration.
Previous Experience
Senior Automation Professional
K7 Computing Private Limited
Chennai, India · Jun 2017 - Jul 2020
Tech Lead
Cognizant Technology Services
Chennai, India · Jul 2016 - May 2017
Solution Lead - IT
Asian Paints Limited
Mumbai, India · May 2015 - Jan 2016
Programmer Analyst - IT
Asian Paints Limited
Mumbai, India · Dec 2012 - May 2015
Education
Academic background
Master of Computer Applications
Bharathidasan University, India
2013
Bachelor of Science in Physics
Bharathidasan University, India
2010
Credentials
Certifications
ISO 27001:2022 Lead Auditor (Exemplar Global - 2026)
CISM - Certified Information Security Manager
CEH - Certified Ethical Hacker
OpenEDG Python Institute: Programming with Python Professional Certificate
Recognition
Awards & achievements
Best Performance Recognition
Exide Energy Solutions Limited
Awarded for outstanding leadership and contributions to enterprise cybersecurity initiatives.
Dream Team Award
Addverb Technologies Limited
Recognized for exceptional collaboration, leadership, and organizational impact.
Cyber Resilience Recognition
Enterprise Security Program
Acknowledged for implementing enterprise cybersecurity strategies that significantly strengthened organizational cyber resilience and security maturity.
SaaS GRC Platform Architecture
Product Security Leadership
Acknowledged for architecting an innovative SaaS Governance, Risk & Compliance platform that streamlined compliance management and accelerated secure digital transformation.
Technical Skills
Tools & technologies
Cybersecurity
Governance & Compliance
Cloud & Infrastructure
Identity & Security Platforms
Development & Automation
Soft Skills