About Sage Data Security Sage Data Security is an independent security firm located in South Portland, Maine. Founded in 2002, Sage has become a strategic security partner for financial institutions, healthcare providers, government agencies and small businesses nationwide. We create and sustain environments that realistically and cost-effectively protect information assets while maintaining a balance of productivity and operational effectiveness. Our core competencies include: Sage does not represent any vendor, nor do we sell hardware or software. All our security consultants and analysts are professionally certified. As an organization, we recognize the dynamic nature of information security and invest heavily in professional development and education.