Security companies in California (1,196 found)
Core Brands, LLC is part of Nortek’s Technology Solutions Group (TSG), a group of product brands that together offers residential and commercial automation and control solutions and related products, delivering innovative entertainment, security and convenience solutions to millions around the world.
Corelight is one of the most powerful network visibility solution for information security professionals. The company provide real-time data that organisations use to understand, detect, and prevent cyber attacks. Their cyber security solution is built on Zeek, the powerful and widely-used open source monitoring framework. They also provide Intrusion Detection, Cyber Security, Zeek, Network Security Monitoring, NSM, Network Traffic Analysis.
Based in California, CSS, Inc. provides its select clientele with superior, customised security programs to meet virtually any individual security need. Corporate Security Service, Inc. offers customised security programs that include, 24-hour management supervision, daily security reports submitted to an authorised client representative, etc.
CVCS has been the pioneer of innovation for Courtroom Technology Systems and Services. It is a trusted, provider for all Audio and Visual systems state-wide throughout California, expanding nationwide and presently extending from Hawaii to the Eastern Seaboard with 1,000+ installations in 22 states.
Covenant Security Services provides security officers to a wide range of commercial and government sectors. The company handles workplace violence, public relations, customer service, active shooter programmes, critical and emergency response, and command centre operations.
cPacket Networks offers next-generation performance monitoring, packet brokering and security forensics solutions for service providers and other large network operators that are built around its innovative Distributed Monitoring Architecture. cPacket Networks also provides solutions related to enterprise, data centre, security, financial, government and many more.
Cradle Technologies offers next generation networked video surveillance servers with associated system software, firmware and video content analysis software.
CRB is a California-based installer of alarms, video security & access control solutions.
Credence ID team possesses extensive business and technical experience in fingerprint, iris, and facial recognition technologies. The company has a history of successful large-scale, international enrollment and ID programmes including US Federal, State and Local Governments, AADHAAR (UID) of India, the Kingdom of Saudi Arabia, Indonesia, and Pakistan.
Crest Data Systems is a leading provider of custom solutions in the areas of data analytics, cyber security, ITOps/AIOps, DevOps, and cloud based in the Bay Area, California. Crest helps customers build solutions that help them outperform competition and stay ahead of the innovation curve.
Cribl, the Data Engine for IT and Security, empowers organisations to transform their data strategy. Powered by a data processing engine purpose-built for IT and Security, Cribl’s product suite is a vendor-agnostic data management solution capable of collecting data from any source, processing billions of events per second, automatically routing data for optimized storage, and analyzing any data, at any time, in any location.
CrisisGo is the premier safety and incident management platform that aligns communication across and within multiple agencies. First responders, safety and security teams, organisations and staff and their communities trust this reliable platform to rapidly respond to incidents, notify people based on protocol-defined roles in real-time and facilitate recovery faster.
Crocus Technology is a leading developer of magnetically enhanced semiconductor technology. The company's MLU-based products target a wide variety of opportunities in digital security, storage, networking, cloud computing, mobile computing, automotive and industrial markets.
Cross Point Industries is a California corporation that develops and markets innovative alert and automation products designed for homes and businesses.
CrowdStrike is a pioneer in cloud-delivered next-generation endpoint protection. CrowdStrike has revolutionised endpoint protection by unifying next-generation antivirus (AV), endpoint detection and response (EDR), and a 24/7 managed hunting service — all delivered via a single lightweight agent.
With more than 4.5 billion security products made under a license to our technologies each year, Cryptography Research, Inc. is the world's leading semiconductor security R&D and licensing company. It develops and licenses innovative technologies in areas including tamper resistance, content protection, network security, and financial services. The company was founded in 1995 by internationally renowned cryptographer Paul Kocher.
Cubic Transportation Systems, Inc., is a leading integrator of payment and information solutions and related services for intelligent travel applications. Cubic delivers integrated systems for transportation and traffic management. Cubic specialises in design, development, manufacture, supply, installation, integration, services and information.
Cybellum enables automotive OEMs and their suppliers to continuously manage their cyber security risks. They provide Cyber Security, Automotive, Risk Assessment, Firmware Analysis, Vulnerability Management, ISO 21434, UNECE WP.29, and Compliance Validation
CyberCube delivers data-driven cyber analytics built specifically for the insurance industry. CyberCube is focused on solving the most difficult and important cyber risk challenges in insurance with world-class analytics. They provide Cyber Insurance, Cyber Security, Cyber Insurance Analytics, Insurance Analytics, Cyber Underwriting , and Cyber Risk Modeling services.
Cyble is a global AI-native cybersecurity company on a mission to make the world a safer place — delivering real-time cyber threat intelligence, digital risk protection, and autonomous security operations to enterprises and governments worldwide.
Cyera takes a data-centric approach to security, assessing the exposure to sensitive data, everywhere. Its DataGraph automatically and continuously learns from the environment, assessing threat surface, data access, and security controls across multiple dimensions of risk.
Cylance is revolutionising cyber security with products and services that proactively prevent, rather than reactively detect the execution of advanced persistent threats and malware. Their technology is deployed on over four million endpoints and protects hundreds of enterprise clients worldwide including Fortune 100 organisations and government institutions.
Cypress Private Security provides comprehensive security services for a complete range of quality clients, including public and private institutions, office and residential complexes, museums and campuses. They provide a full range of solutions including manned guarding (armed or unarmed uniformed officers), mobile patrols, loss prevention specialists and emergency response services.
Cyral is the first cloud-native security solution built for the modern data cloud and the DevOps-first world. With Cyral, DevOps and security teams get granular visibility, secure access management and policy enforcement across all data endpoints for an unmatched unified view of any organization’s data layer activity. Cyral is venture-backed by Redpoint, A.Capital, Costanoa and SVCI.
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Upcoming security events in United States of America (USA)
InfoSec World 2026
- 12 - 14 Oct, 2026
- Orlando, United States of America (USA)
PACK EXPO Chicago 2026
- 18 - 21 Oct, 2026
- ILLINOIS, United States of America (USA)
FDIC International 2027
- 12 - 17 Apr, 2027
- indianapolis, United States of America (USA)
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