H3Systems was founded by Don Hartung in 2001.
With over 25 years of experience in Security and Technology, we have deep and diverse expertise that spans Law Enforcement, Counter Intelligence, and Information Security.
We have held roles in startups, SMEs, and large multinational corporations such as HackerSafe, Clorox, OddzOn, McAfee, Qualys, and FireEye, bringing a wealth of expertise across various technology and security domains.
As a Facility Security Officer (FSO) for two defense contractors, our CEO led and implemented critical security measures for classified programs, such as conducting risk assessments and ensuring compliance with cybersecurity frameworks, maintaining operational integrity across business units. This experience underscores our capacity to manage high-stakes environments and maintain the security of sensitive information.
Having been part of the Napa Valley community since 1969, our CEO, Don Hartung, and his team are now leveraging their IT, cybersecurity, technology, and business expertise to support the SMB market and individual users in the San Francisco Bay Area.
H3Systems' goal is to empower local businesses and individuals by providing tailored technology solutions, ensuring robust security, and fostering growth through strategic technology initiatives, including cybersecurity consulting and managed IT services.
Ready to take your business's security and technology to the next level? Contact us today to learn how H3Systems can help protect and grow your organization.
Cyber security is the state or process of protecting and recovering networks, devices, and programs from any type of cyberattack. They will assist the Security, IT and Business Units through the deployment of strategic and holistic approaches in dealing with specific business issues. This is done by carefully assessing risks related to the organizations reputation, information, assets and all people involved. This is crucial especially for businesses that are looking at long-term sustainability and expansion.
Some areas that Cybersecurity consultant may be involved with include:
Mark Tonnesen
CIO, CSO, and VP Operations at Neustar, Inc.
"Don is an extremely positive person and customer-oriented. He is amazingly responsive and operates in the most professional manner. Don is very business savvy and works tirelessly in conjuction with all levels of executive management. I really hope we work again in the future."
J.J. "Mick" Mickelson
Director, Global Cyber Assurance, Cyber Security at Hewlett-Packard
"Don is a very motivated, dependable security professional with a deep seated dedication to his job... his knowledge and attitude has impressed everyone he works with and he has gained the respect of employees and management alike. I would very much like to have Don work for me again if the opportunity arose."
Maddi Dreier
Executive Assistant at SugarCRM
"It is with great pleasure to recommend Don Hartung, his work performance as FSO / Security Manager in McAfee took the security at the Headquarters office to a higher level. His integrity, work ethics, and honest approach to any situation that arises make Don an extremely positive asset to any company. I would be more than happy to work with him again!"
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