WITH INTELLIGENCE, COMES SECURITY ℠
WITH INTELLIGENCE, COMES SECURITY ℠

At ISI, we specialize in security consulting services designed to enhance your business's safety and performance. Our team of seasoned security consultants boasts a proven track record of success across various industries. We are committed to delivering tailored solutions that address the specific security needs of each client. Whether you require assistance with strategic security planning, threat assessments, system optimization, or comprehensive security management, our expertise and experience are here to ensure your success.
Ready to take your security program to the next level? Contact us today to learn more about our consulting services and how we can help you achieve your goals.

With decades of expertise, ISI has gained extensive hands-on experience in the design, implementation, and management of Integrated Security Programs.
Our executives have held roles as both clients and vendors within this critical field, bringing an owner’s mentality and a steadfast commitment to delivering effective, cost-efficient solut
With decades of expertise, ISI has gained extensive hands-on experience in the design, implementation, and management of Integrated Security Programs.
Our executives have held roles as both clients and vendors within this critical field, bringing an owner’s mentality and a steadfast commitment to delivering effective, cost-efficient solutions.
At ISI, we collaborate with you to achieve your desired outcomes while maintaining a strong focus on cost control.
We are dedicated to serving as your trusted Strategic Security Partner. Our team excels at identifying "Value Solutions" tailored to meet your unique needs, budget, and timeline.

At ISI, our mission is to provide unparalleled security solutions through expert consulting, leveraging years of experience in physical security, contract security services, security technology, and investigations.
We are committed to safeguarding our clients' assets, operations, and peace of mind by delivering customized, innovative, an
At ISI, our mission is to provide unparalleled security solutions through expert consulting, leveraging years of experience in physical security, contract security services, security technology, and investigations.
We are committed to safeguarding our clients' assets, operations, and peace of mind by delivering customized, innovative, and proactive security strategies.
With a deep understanding of evolving threats and an unwavering focus on integrity, we work closely with each client to create secure environments that foster safety, trust, and resilience.

David established Intelligence Security International (ISI), Inc. in 2009, following a distinguished career spanning Corporate Security, Contract Security, and Security Technology Industries.
During his career, David has managed Physical Security Operations, Investigations, Technology Design, Travel Security, and Executive Protection.
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David established Intelligence Security International (ISI), Inc. in 2009, following a distinguished career spanning Corporate Security, Contract Security, and Security Technology Industries.
During his career, David has managed Physical Security Operations, Investigations, Technology Design, Travel Security, and Executive Protection.
David’s unique perspective comes from his extensive experience working on both the client and service partner sides.
Additionally, he is deeply committed to giving back to the community through his volunteer work with various charitable and non-profit organizations.

The ISI team offers expert analysis to enhance your security posture, ensure compliance, and optimize operational efficiency. With extensive experience in consulting, investigations, security systems and training, our security professionals assess risks and implement effective controls to strengthen your protection.
We are product-agnostic, providing recommendations based solely on your organization’s needs and existing infrastructure. Our focus is on leveraging technology to enhance the effectiveness and efficiency of your security program.
We take the time to understand and embrace your business’s unique climate and culture, ensuring that our solutions align with your environment. Our approach balances the mission of the project with respect for the nuances of your organizational culture.
Areas we can discuss:

The ISI team offers expert analysis to strengthen your security posture, ensure compliance, and enhance operational efficiency. With extensive experience in consulting and training, our security professionals assess risks and implement effective controls to protect your organization.
With deep experience in physical security consulting, system technologies, contract security, and security program training, we provide tailored solutions to meet your needs. Through strategic partnerships with top security consultants nationwide, we offer an all-in-one resource, allowing us to scale efficiently for projects of any size.
We offer a comprehensive security assessment roadmap designed to evaluate and future-proof physical security and safety programs. This process takes advantage of a collaborative approach, blending our physical security consulting expertise with a robust network of security integrators, seasoned manufacturers, service providers, and software developers to deliver tailored solutions for our clients.
Some of the areas we support are businesses across various industries, including K-12 and higher education, healthcare, government, financial institutions, pharmaceuticals, biotech, manufacturing, utilities, cannabis, warehousing, and distribution.

Our training methods instill a deep understanding of security on a personal level, ensuring employees apply the same vigilance and mindset at work. Employee awareness is the cornerstone of a comprehensive security program, and ISI provides an outsourced solution to meet all your training needs.
SECURITY FOCUSED:
NON-SECURITY FOCUSED:

Our services include comprehensive assessments and meticulous planning of security technologies tailored to your specific business needs. By working closely with your security and facilities teams, as well as architects and engineers, we deliver solutions that maximize the potential of existing technologies, enhancing their capabilities and increasing your return on investment.
Furthermore, we incorporate the latest technological advancements to protect your business cost-effectively. These services ensure that the appropriate technology solutions are implemented and designed to keep your project within budget while guaranteeing that security systems perform efficiently and reliably.
Our services encompass setting expectations, overseeing the scope of work, planning and scheduling, budget management, milestone tracking, providing regular project updates, system commissioning, training, and delivering final project outcomes.
Across Massachusetts, cities and towns are taking decisive steps to modernize their emergency communication infrastructure — and this month, two more communities completed full installations of advanced active shooter response systems across 11 schools.
These deployments mark a significant milestone in a statewide effort to reduce response times, improve coordination, and ensure that critical alerts reach first responders instantly.
At ISI, we are proud to have partnered with these communities to design, engineer, and install systems that bring real-time communication to the forefront of school safety. Each installation reflects a shared commitment: protecting students, educators, and staff with technology that performs when seconds matter.
The newly installed systems give school personnel the ability to activate a full emergency alert with a single wireless button press. In under three seconds, the system simultaneously:
This level of speed and coordination is critical. Traditional manual notification chains often take minutes — time that communities simply cannot afford during an active threat. By contrast, these systems compress the entire alert process into a near‑instantaneous response, giving law enforcement the earliest possible awareness and enabling staff to take protective action immediately.
With these two new communities now online, Massachusetts continues to lead in adopting modern, technology‑driven safety infrastructure. The 11 schools added this month join a growing list of districts and municipalities that recognize the urgency of upgrading outdated systems and closing the communication gap that has historically slowed emergency response.
Each installation is tailored to the unique layout, operational needs, and response protocols of the community. Our team works directly with police departments, school leadership, and municipal officials to ensure seamless integration with dispatch, mutual aid partners, and existing communication platforms.
A Critical Juncture for Public Safety
We are at a pivotal moment. Communities nationwide are reassessing how they prepare for high‑risk, low‑probability events — and many are concluding that traditional methods are no longer sufficient. Technology that delivers immediate, multi‑channel communication is becoming an essential component of modern emergency response.
The work happening in Massachusetts reflects a broader shift: proactive leadership, data‑driven decision‑making, and a commitment to protecting students and staff with systems designed for today’s realities.
At ISI, our mission is to help cities and towns build safer environments through thoughtful system design, reliable technology, and hands‑on partnership. We are honored to support these two communities and proud of the momentum building across the state.
Eleven more schools now have the ability to notify police, activate campus alerts, and mobilize staff — all in under three seconds. That’s meaningful progress. And it’s only the beginning.
If your community is evaluating how to strengthen its emergency communication infrastructure, we’re ready to help.
President & CEO, David Cullen, has achieved a Certified CPTED Specialist designation by the American Crime Prevention Institute
Newburyport MA 01950
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