Cyber Security Companies in Orange County, California
This guide covers Orange County, California. Firms with an address on their page are separated from those that only state coverage.
Orange County firms
With an Orange County office
Advanced Networks
1340 Reynolds Ave 116, Irvine, CA 92614
monitoring, assessment, incident response, managed security, compliance
Cities named: Irvine, Santa Ana, Newport Beach, Mission Viejo
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More about Advanced Networks
- In its own words: “Powered by Advanced Shield™ — our managed cybersecurity platform that combines endpoint protection, identity security, MDR, vulnerability management, compliance monitoring, and 24/7 SOC oversight into a single service.”
BriteCity
4 Executive Circle, Suite 190, Irvine, CA 92614
monitoring, assessment, incident response, managed security, compliance
Cities named: Irvine, Anaheim, Santa Ana, Newport Beach, Costa Mesa, Huntington Beach, Fullerton, Mission Viejo
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More about BriteCity
- In its own words: “BRITECITY is an Orange County cybersecurity provider that takes a layered, defense-in-depth approach.”
Intelecis
930 Roosevelt Avenue, Suite 350 Irvine, CA 92620
managed security, compliance
Cities named: Irvine, Anaheim, Santa Ana, Newport Beach, Fullerton
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More about Intelecis
- In its own words: “Outsourcing your IT Security Service can help protect your company’s network and confidential information.”
Stating Orange County coverage
CAL IT Group
monitoring, assessment, incident response, managed security, compliance
Cities named: Not named on this page
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More about CAL IT Group
- In its own words: “CAL IT Group’s managed cybersecurity services provide proactive monitoring, threat prevention, and expert protection to keep Orange County businesses secure and compliant.”
CMIT Solutions of Anaheim
monitoring, assessment, incident response, managed security, compliance
Cities named: Anaheim
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More about CMIT Solutions of Anaheim
- In its own words: “CMIT Solutions Anaheim West gives Orange County businesses security that matches the threat: systems watched day and night, layered protection, and a local team that answers when you call.”
Kaufman IT
monitoring, assessment, compliance
Cities named: Irvine
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More about Kaufman IT
- In its own words: “KaufmanIT offers comprehensive cybersecurity services in Orange County, cybersecurity threats such as data breaches, ransomware, phishing attacks, and many other cyber threats are far too common.”
Kelley Create
monitoring, assessment, managed security, compliance
Cities named: Not named on this page
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More about Kelley Create
- In its own words: “Kelley Create provides cybersecurity services for businesses throughout Orange, California, and the greater Orange County region.”
BBB details come from its profile; Yelp scores from Yelp's search listing, for the location shown. A score from a few reviews says little. We don't rate companies ourselves. Checked November 6, 2026. Kelley Create's page for Orange lists a 206 area-code phone number, so ask where staff are based. Orange County, Florida, readers should use the main company guide.
Questions to ask
- Which cities do you serve in person: Irvine, Anaheim, Santa Ana, or farther?
- Is your security team in-house, or a resold third party?
- Do you handle the compliance your clients ask about?