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Vision

To be the most trusted and innovative security partner, setting the industry standard for excellence and proactive protection in a constantly evolving world

Mission

Stronghold Security is dedicated to providing highly qualified and technologically advanced security solutions. We protect our clients— including corporations, government agencies, and private individuals —by delivering exceptional service through a blend of expertly trained professionals and cutting-edge technology. Our mission is to ensure peace of mind by anticipating threats, adapting to challenges, and upholding the highest levels of integrity and trust in everything we do


From corporate environments and high-profile events to residential complexes and national institutions, our mission is clear — to safeguard people, property, and information with precision, professionalism, and trust. We don’t just provide security; we create intelligent defence ecosystems that anticipate risks before they arise.

Chairman’s Message

At Stronghold Security, protection is not merely our business — it’s our purpose.
We live in an era where threats evolve faster than ever. To counter them, we merge military-grade readiness with cutting-edge security technology, ensuring every client benefits from both foresight and force.
Our guiding principle is simple: Integrity in action, innovation in service, and unwavering commitment to your safety.
With every partnership, we pledge reliability, confidentiality, and an unbreakable promise — that your peace of mind remains our highest priority.

Brigadier (Retd.) Nandana Weeratunga
Chairman, Stronghold Security & Investigation (Pvt) Ltd
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Expert Staff

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Islandwide locations

Our Core Values

Integrity

Acting with honesty, transparency, and accountability.

Vigilance

Staying alert and proactive in every environment.

Innovation

Adapting technology to create smarter protection.

Excellence

Maintaining military precision and professional discipline.

Trust

Building long-term relationships grounded in reliability.

Our Services

We offer a full spectrum of security services designed to meet the complex needs of today's world:

01. Man Guard Security:

Professionally trained security personnel for both private and public sectors.

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02. Special Event Security:

Expert security management for events of all sizes.

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03. Cybersecurity Services:

Protecting digital assets and information from modern threats.

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04. Electronic Security Solutions:

Installation and maintenance of CCTV systems, intrusion detection systems, and alarm systems.

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05. CCTV & Distance Sensor Systems:

Planning and installation of CCTV systems integrated with advanced intrusion detection.

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06. 24/7 Monitoring and Response

Continuous surveillance and rapid response to security incidents.

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Meet the Team

CHAIRMAN

BRIGADIER (RETIRED) H. J. P. WEERATHUNGA
MSc (Information Security), MPA, Dip. (Occupational Health & Safety)

Brigadier (Retired) Nandana Weeratunga, with over 30 years of distinguished military service, combines expertise in governance, cybersecurity, occupational safety, and etworking. Holding an MPA, an MSc in Information Security, and diplomas in OHS and Networking, he excels in driving innovation, ensuring compliance, and delivering robust, integrated security solutions


TECHNICAL ADVISER

MAJOR (RETD.) MUDITHA KALUARACHCHI

An engineering specialist in telecommunication and IT, with extensive experience in CCTV, intrusion detection, and advanced security automation. His analytical precision ensures Stronghold’s systems remain innovative, reliable, and technologically superior.


DIRECTOR

DIDULI LIHANSIKA WEERATUNGA

Leads strategic development, human resources, and administration. Her vision drives organisational agility, operational efficiency, and client satisfaction — ensuring Stronghold’s services evolve in line with global trends.


HEAD OF CYBERSECURITY

K. M. N. P KULATHUNGA

A highly skilled cybersecurity professional with a BSc in Applied Science (Computer Science & Physics) and multiple global certifications, including CEH v11, (ISC)² Certified in Cybersecurity (CC), AWS Security Operations, Splunk Security Analytics, and SentinelOne Administration. Demonstrates advanced expertise in ethical hacking, threat detection, incident response, and cloud security management. Committed to strengthening digital resilience and leading proactive defence strategies that safeguard organisational assets across complex network environments.


FIRE OFFICER

KMM Iroshan, SLAF, CBRN Squadron Leader Rtd,

Squadron Leader Niroshan (Ret.) is an essential member of our leadership team, offering an unparalleled foundation of strategic expertise and operational discipline forged during his service as a Fire Officer in the Sri Lanka Air Force (SLAF). His specialized academic credentials—including an MBA, PGD in Strategic Management (UK), and PGD in Defence Management (UOK)—ensure a robust, disciplined approach to security strategy, risk mitigation, and management oversight across all public and private sector

How We Work