About DefendIT
Secure. Compliant. Reliable. Technology and cybersecurity solutions for regulated and mission-critical organizations.
Who We Are
Defend IT Services provides expert cybersecurity, IT management, and cloud solutions for organizations operating in complex and evolving threat environments.
Our mission is to protect businesses and institutions against cyber risk through proactive monitoring, incident response, and secure technology design. We deliver tailored, scalable solutions that support secure and seamless operations — helping organizations reduce risk, maintain compliance, and support long-term growth.
We support organizations of all sizes, with a particular focus on those operating in regulated, sensitive, or mission-critical environments.
Leadership
Our leadership team brings experience across cybersecurity, enterprise IT, cloud infrastructure, and regulated environments, guiding DefendIT’s strategy, culture, and client success.

Chris Hannifin
CEO & Founder
Chris Hannifin is the Founder and CEO of Defend IT Services and a cybersecurity and enterprise IT leader with over 20 years of experience supporting commercial and public sector organizations. He specializes in guiding organizations through complex security, compliance, and infrastructure transformations. Chris is recognized for building resilient, secure operating environments that align technology strategy with regulatory requirements and long-term business objectives.

Eric Diaz
Chief Technology Officer
Eric Diaz is the Chief Technology Officer and Partner at Defend IT Services, Inc., and a multi-company MSP founder with over 12 years of executive leadership in managed IT and cybersecurity services. He drives technology strategy, operational scale, and risk-aligned infrastructure across high-availability, compliance-driven, and multi-site environments. Eric is recognized for translating complex technical initiatives into measurable business outcomes while building durable, trust-based partnerships across Texas.
What We Do
Cybersecurity and risk management
Managed IT services and infrastructure support
Secure cloud design and migration
Compliance and governance support
Incident response and operational resilience
Certifications & Trust
DefendIT is proudly recognized as:
SBA Veteran-Owned Small Business (VOSB) Certified
SBA Service-Disabled Veteran-Owned Small Business (SDVOSB) Certified
These certifications reflect our commitment to integrity, accountability, and service — values that guide how we support our clients and partners.


Why Organizations Trust DefendIT
Security-first and compliance-driven approach
Proactive monitoring and incident response
Experience supporting regulated and mission-critical organizations
Transparent communication and accountability
Long-term partnership mindset