About Us

Dedicated to the midsize enterprise with expanding cybersecurity needs

CyberESI is a Managed Detection and Response (MDR) Provider founded in 2010.  Our founders are cybersecurity experts with experience serving the US Government and the National Institute of Standards and Technology as well as commercial industry leaders. CyberESI’s seasoned team of experts has an average of 15 years’ experience providing information security services, with many team members holding multiple security certifications.

Focusing on the midsize enterprise with expanding cybersecurity needs, CyberESI offers a full range of information security services including incident response and digital forensics. We provide remote 24×7 security monitoring and management of your mission-critical networks.  Our expert staff also offers a range of professional services to assess your risks, establish the right security policies and procedures, and improve your overall security posture.

Engineering is Our Middle Name

In addition to providing custom filters, signatures, and reports for each of our clients, CyberESI has multiple patents and proprietary technologies that set us apart as a MDR provider. CyberESI also maintains a low device-to-analyst ratio which allows our team to become familiar with your specific security posture and operating environment. That personalized knowledge makes us far more effective in predicting, preventing, and analyzing security breaches.

Simply put, we are constantly innovating and staying ahead of the competition, providing our clients with one-of-a-kind, cutting edge cybersecurity technology and service.

CyberESI is a Cleared Defense Contractor.

Leadership Team

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Joseph Drissel

Founder and CEO

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Matt Barrett

Matt Barrett

Chief Operating Officer

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Jim Hanson

Director, Engineering and Development

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Ron de Leos

Director, Government Security Services

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Roman Sheriff

Technical Director, Cybersecurity Services

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Regina Sheridan

Regina Sheridan

Director, Commercial Security Services

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