Green Securities, a division of Green Reef Pvt. Ltd. is a leader in Cybersecurity, ESG Compliance, and Business Sustainability solutions.
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Discover Us

Who We Are

We Provide Cybersecurity, ESG & BRSR

Green Security, a division of Green Reef Pvt. Ltd., is a leader in Cybersecurity, ESG Compliance, and Business Sustainability solutions. We empower organizations to safeguard their digital assets, adhere to regulatory requirements, and drive sustainable growth in an evolving digital landscape.

As a descendant of Green Reef Pvt. Ltd., we uphold a legacy of innovation and trust, delivering cutting-edge solutions that strengthen security frameworks and align businesses with global sustainability standards. Our expertise ensures that enterprises remain resilient, compliant, and future-ready, fostering responsible business practices while mitigating risks. At Green Security, we are committed to securing a sustainable and digitally secure future for businesses worldwide.

Our Statement

Driving innovation with a clear vision, a strong mission, and core values that define our commitment to excellence.

1 | Mission

At Green Securities, we provide advanced cybersecurity solutions to protect businesses from emerging threats. Through AI-driven intelligence, cloud security, and proactive risk management, we help organizations safeguard digital assets, maintain compliance, and strengthen cyber resilience.

2 | Vision

We strive to be a global leader in cybersecurity, setting new standards in digital protection, ESG compliance, and business sustainability. Our vision is a cyber-secure world where businesses innovate freely, supported by intelligence-driven defense and continuous technological evolution.

3 | Values

Integrity defines our ethical approach, ensuring transparency and trust in cybersecurity. Innovation fuels our drive to adopt cutting-edge technologies, staying ahead of cyber threats. Resilience enables us to build robust security frameworks, ensuring rapid response and long-term business continuity.

Leadership Team

Ambalika Das

Innovating in Cybersecurity & ESG Compliance

🔹 12+ years of entrepreneurship driving tech-led business growth

🔹 MD, Green Reef Pvt Ltd | Offshore Director, Green Reef Canada

🔹 Expertise in cybersecurity, ESG compliance & digital transformation

Expertise

🔹 Cybersecurity & Compliance – Strengthening security & regulatory adherence

🔹 ESG Governance – Implementing tech-driven sustainability frameworks

🔹 Business Growth – Expanding markets through digital strategies

Empowering businesses with secure, sustainable, and scalable solutions.

Tanay Mukherjee

Cybersecurity Expert & Data Protection Specialist

🔹 14+ years in cybersecurity, ethical hacking & digital forensics

🔹 Assisted CID Kolkata & WB Police in cybercrime investigations

🔹 Advised global clients on GDPR, ISO 27001, HIPAA compliance

Expertise

🔹 Digital Forensics & Incident Response

🔹 Digital Forensics & Incident Response

🔹 Cloud & Application Security

Securing businesses & law enforcement against cyber threats.

Gurudas Sarkar

Expert IT Business Consulting /Solution/Services Engagements

🔹 28+ years in IT consulting, solutions & services

🔹 Pharma, life sciences & healthcare expertise

🔹 Led multiple M&A initiatives successfully

🔹 Former Board Member & Strategic Advisor

🔹 Expert in cybersecurity, ESG & digital transformation

Expertise

🔹 IT Strategy & M&A | Cybersecurity & Compliance

🔹 ESG & Governance | Business Growth & Leadership

Our Technical Expertise

Sakil Gayen

Ethical Hacking & Cybersecurity Specialist

🔹 Certified in penetration testing & network security

🔹 Expertise in ethical hacking, SCADA security & risk management

🔹 Strong foundation in cybersecurity compliance & governance

Expertise

🔹 Ethical Hacking & Penetration Testing – Identifying & exploiting vulnerabilities

🔹 Industrial Cybersecurity – Securing SCADA, OT & industrial networks

🔹 Risk Management & Compliance – Ensuring adherence to security frameworks

🔹 Network Security & Firewalls – Strengthening enterprise cyber defenses

Building secure digital infrastructures through expertise & innovation.

Soumil Sen

Industrial & Network Cybersecurity Specialist

🔹 EJPT – eLearnSecurity Junior Penetration Tester (INE Security)

🔹Fundamentals of penetration testing & ethical hacking

🔹 Hands-on experience with Nmap, Wireshark, Metasploit & Burp Suite

🔹Ideal for beginners in VAPT, a stepping stone to CEH, OSCP & EWPT

🔹ICCA – Industrial Cybersecurity Certified Associate (ISA)

🔹Securing ICS & SCADA networks against cyber threats

🔹 Expertise in OT security, incident response & compliance

🔹Essential for critical infrastructure & industrial cybersecurity professionals

Anumita Das

Industrial & Network Cybersecurity Specialist

🔹 Certified in ICS/SCADA & Network Security

🔹 Expertise in OT security, threat mitigation & compliance

🔹 Hands-on experience in penetration testing & risk management Certifications

🔹 CCA – Industrial Cybersecurity Certified Associate (ISA)

🔹 Securing ICS/SCADA & critical infrastructure

🔹 OT security, compliance (NIST, IEC 62443)

🔹 CNSP – Certified Network Security Practitioner (Network Security Academy)

🔹 Network security, firewalls & intrusion detection

🔹 Penetration testing & threat mitigation Strengthening cybersecurity in industrial & enterprise networks.

Nurjaman Hussain

VAPT (Vulnerability Assessment & Penetration Testing)

🔹 Certified in penetration testing & network security

🔹 Expertise in ethical hacking, SCADA security & risk management

🔹 Strong foundation in cybersecurity compliance & governance