Acropolis Security, LLC is a Huntsville, Alabama–based small business specializing in advanced software engineering and cybersecurity research and development. Founded by seasoned professionals with deep expertise in secure system design, compliance automation, and mission-focused engineering, the company was established to address the accelerating pace and complexity of modern cyber threats.
Acropolis Security delivers innovative, scalable solutions that strengthen security governance, streamline compliance efforts, and enhance operational resilience across complex environments. The company combines disciplined engineering practices with forward-leaning research and development to create technologies that are both technically robust and operationally practical. By aligning technical execution with strategic mission objectives, Acropolis Security supports organizations that operate in highly regulated and security-sensitive environments.
Driven by a commitment to excellence, accountability, and continuous innovation, Acropolis Security partners with its customers to modernize cybersecurity programs, reduce risk, and improve efficiency through automation and standardization. The company’s foundation in both hands-on engineering and executive leadership enables it to bridge the gap between technical implementation and organizational strategy, ensuring that cybersecurity is not only compliant, but sustainable and mission-aligned.

David is a co-founder and serves as Chief Executive Officer and Chief Technology Officer of Acropolis Security. With over a decade of experience in software engineering and cybersecurity, he leads both corporate strategy and technical vision, focusing on solving complex security challenges through disciplined engineering and operational efficiency.

Gil Lewis is a co-founder and serves as President and Chief Operating Officer of Acropolis Security. He brings over a decade of software engineering experience, spanning both technical leadership and hands-on development. Gil oversees operational execution and organizational performance while maintaining a deep understanding of the engineering discipline that drives the company’s products.

Bill is the Director of Business Development at Acropolis Security and has over four decades of technical, operational, management and leadership experience earned through Military/Government Service, and Private Contractor experience. Bill brings a senior leadership prospective to resolve complex issues in a competitive environment.

Will brings nearly ten years of software engineering experience, including extensive tenure at Acropolis Security. He drives sprint execution, enforces project accountability, and actively contributes to development to ensure timely, high-quality product delivery.

The name “Acropolis” means “fortified city on a hill,” a symbol that reflects both our mission and our standard. We engineer our software to strengthen our clients’ cybersecurity posture and build resilient, defensible environments in the face of evolving threats. At the same time, the name represents our commitment to leadership. A city on a hill is visible. It sets the example. It does not hide behind the status quo.
Acropolis Security exists to raise the standard of what cybersecurity execution looks like. We are committed to delivering exceptional products, being a disciplined and principled employer, and serving our community with integrity. Our objective is not simply to participate in the industry, but to elevate it through engineering excellence, accountability, and a culture that refuses complacency.

Legend holds that ancient Sparta had no need for defensive walls because it was protected by its “walls of men” — disciplined, trained, and unwavering in defense of their city. Spartan Shield GRC embodies that same philosophy.
Rather than relying solely on static controls or documentation, Spartan Shield GRC empowers organizations by equipping their people with the structure, visibility, and tools required to actively defend their environments. It transforms cybersecurity from a compliance exercise into a disciplined, mission-focused practice — strengthening teams, clarifying accountability, and enabling personnel to serve as the true defensive perimeter of the organization.
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