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Contact Us

Secure Today. Defend Tomorrow

Zentara is Indonesia’s advanced cybersecurity and digital resilience partner, equipping organizations to face evolving threats with confidence, clarity, and control.

Learn More About Our Divisions

We are on a mission to empower Southeast Asia’s digital future by creating safer, smarter, and more sovereign digital environments. Through proactive defense, ethical leadership, and cutting-edge technology, we help governments, enterprises, and communities protect what matters most.

  • Our Philosophy:

Zero Trust, Full Clarity

Zentara isn’t just a cybersecurity provider. We are a strategic ally built on zero-trust principles, because in today’s digital landscape, trust is a vulnerability. Our approach is rooted in proactive analysis, relentless innovation, and national-grade defense standards. We believe digital sovereignty starts with clarity. That’s why we build solutions that make threats visible, risks manageable, and defenses resilient.

What Makes Us Different

Southeast Asia-Focused:

We serve Indonesia and the region with local insight and global standards.

Nation-Grade Cyber Defense:

Our teams are equipped with military-grade training and proprietary tools.

Zero-Trust Architecture Experts:

We don’t assume safety, we architect it from the ground up.

Research-Led Innovation:

From red team ops to in-house software, we lead with investigation and insight.

Human-Centered Services:

Cybersecurity is not just a tech problem, it’s a human one. Our approach reflects this.

Our Divisions

Proactive threat detection, zero-trust architecture, SIEM, and incident response

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Proactive threat detection, zero-trust architecture, SIEM, and incident response

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Yes. We work with early-stage and scaling startups across Indonesia and the ASEAN region to integrate cybersecurity into their DevOps and cloud-native systems. Our agile solutions are tailored for growth without compromising on security.

Who We Serve

Enterprise IT and security teams

Government cybersecurity divisions

Procurement and compliance leaders

Technology companies and startups

Developers and DevSecOps teams

Regal Rauniyar Star

—Co-Founder, Chief Executive Officer, and Director

  • Mr. Star is the Co-Founder and Chief Executive Officer of ZENTARA, driving the company’s strategic direction, operational execution, and market growth. With a deep fascination for technology and a relentless commitment to innovation and operational excellence, he leads ZENTARA’s initiatives at the intersection of cybersecurity, enterprise intelligence, and advanced AI systems. Beyond vision-setting, Mr. Star is hands-on in building systems, leading cross-functional initiatives, and ensuring executional precision — shaping ZENTARA’s mission to deliver sovereign-grade technologies that secure and empower nations and enterprises.

Darian Kuswanto

— Co-Founder, President

  • Mr. Kuswanto is the Co-Founder and Chairman of ZENTARA, serving as the driving force behind the company’s technical vision. A lifelong technologist, he began building systems from an early age and has since developed deep expertise in infrastructure, systems engineering, and digital security. Known for his precision, discipline, and problem-solving ability, Mr. Kuswanto leads ZENTARA’s core technology development and innovation strategy, delivering sovereign-grade solutions that secure and empower nations and enterprises.

Anthony Reza

— Chief of Business Development

  • Anthony serves as Zentara’s Chief of Business Development, overseeing strategy, partnerships, and commercial go-to-market. He previously founded and led technology and marketing ventures and has served as a consultant and analyst on social media intelligence programs for government and enterprise clients.

Lukas Novotny

— Head of Growth

  • Lukas steers ZENTARA’s growth engine, uniting strategy, innovation, and execution to scale impact. With a strong passion for numbers and technology, he drives market expansion, partnerships, and brand leadership, advancing ZENTARA’s mission to deliver sovereign-grade cybersecurity and intelligence solutions to nations and enterprises.

Trimikha Valentius

— Head of Zentara Labs, Chief AI Officer

  • Trimikha Valentius serves as Chief AI Officer and Head of ZENTARA Labs, leading technical innovation across cybersecurity, cyber intelligence, and enterprise solutions. With over seventeen years of experience scaling AI from R&D to market deployment, he previously led Meta's Reality Labs developer ecosystem in APAC and co-founded multiple AI-powered startups.

Mina Sattari

— Director of Sales & Strategy

  • Mina Sattari is Director of Sales & Strategy at Zentara, where she leads go-to-market planning, enterprise sales, and strategic partnerships across global markets. Fluent in German, English, Spanish, and other languages, Mina has worked with enterprise clients across EMEA and APAC. She holds multiple executive certifications from globally recognized institutions, including MIT Sloan, Harvard Business School and Berkeley Executive Education — spanning business strategy, artificial intelligence, data analytics and design thinking. Mina is passionate about translating complex solutions into real customer value. At Zentara, Mina focuses on scaling high-impact partnerships and helping customers navigate the evolving landscape of cybersecurity and enterprise tech.

Surya Maulana

— CISO

  • Surya serves as Head of Cyber Security and CISO of Zentara, overseeing SOC and Red Team operations. He has led government and enterprise penetration testing projects and developed OSINT-driven intelligence platforms supporting investigations and strategic security initiatives.

Francesco Catozzo

— Head of Information Security, Compliance & Operations

  • Francesco has over a decade of experience in Information Security, Compliance, and GRC. He specializes in privacy laws (GDPR, PDPA, PDPD Indonesia), PCI-DSS, ISO ISMS/PIMS/AIMS, and IT governance, with deep expertise in risk management and implementing scalable INFOSEC policies and controls.

Marsha Widagdo

— Head of Blue Team (SOC)

  • Marsha Widagdo is a seasoned cybersecurity professional with over seven years of experience spanning banking, government, and diverse industries. Marsha’s expertise lies in building resilient blue teams, optimizing advanced cyber defense technologies, and implementing global security frameworks. As Head of the Blue Team (SOC) at ZENTARA, Marsha continues to lead with a focus on strengthening organizational trust and safeguarding critical infrastructure.

Toni Widiarto

— Head Security Analyst – Red Team Lead

  • Mr. Toni Tri Widiarto brings over 24 years of experience in cybersecurity to Zentara. He has led 750+ red team engagements across industries, uncovering critical vulnerabilities and shaping testing frameworks that strengthen resilience against real-world threats. Toni is renowned for his penetration testing expertise.

Careers at Zentara

We’re building the future of secure systems. If you’re passionate about protecting people, systems, and society through innovation, Zentara is where your skills can make an impact.

View Open Roles