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ABOUT H3SYSTEMS

Security experience, brought closer to the business.

H3Systems is a cybersecurity-first managed service provider helping SMBs turn IT risk into resilience since 2014.

Don Hartung, CEO of H3Systems

OUR CEO · DON HARTUNG

High-stakes security experience, applied with practical care.

Don Hartung brings more than 25 years of experience across law enforcement, counterintelligence, information security, and enterprise technology, including roles associated with McAfee, Qualys, and FireEye/Mandiant.

H3Systems works from a simple operating posture: secure by default, measure what matters, prepare for failure, and communicate early.

Critical P1

Acknowledgement within 30 minutes during business hours, with immediate triage for managed clients with 24/7 monitoring.

High P2

Same-business-day action with status updates.

Standard P3

Scheduled within 1–2 business days.

START WITH A CLEARER PICTURE

Bring us the problem.
We’ll bring a plan.

Tell us what is worrying you, what is changing, or what needs to work better. We’ll start with the practical next step.

888-488-7970
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