Top Chicago, IL Cybersecurity Companies (54)

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

Cat Digital is the digital and technology arm of Caterpillar Inc., responsible for bringing digital capabilities to our world-famous yellow iron. With over 1.5M connected assets worldwide, our teams use data, technology, advanced analytics and AI capabilities to help our customers build a better world.

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

Build what’s next — with tech that matters PwC provides professional services across Audit and Assurance, Advisory and Tax — powered by a global network of over 370,000 people in 149 countries. You may know us for our business expertise, but technology is core to how we help clients move faster, build trust and deliver meaningful outcomes. As a technologist, you’ll work...

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

Recognized by Crain’s as one of 2025’s Most Innovative Companies, UncommonX helps customers move from reactive defense to proactive resilience, with the context, prioritization, and insights needed to reduce risk and respond with precision. We believe cybersecurity should deliver more than alerts — it should deliver clarity, confidence, and control. That’s why we built an AI-powered Exposure Management platform that gives...

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...

Founded in 2015 by former NSA cyber operators, Huntress protects all businesses—not just the 1%—with enterprise-grade, fully owned and managed cybersecurity products at the price of an affordable SaaS application. The Huntress difference is our One Team advantage: our technology is designed with our industry-defining Security Operations Center (SOC) in mind and is never separated from our service. We protect...

About Motorola Solutions | Solving for safer Safety and security are at the heart of everything we do at Motorola Solutions. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations.

Corterra Solutions designs, develops, and manages enterprise solutions and transformative business applications so you can focus on meaningful work that drives success. In other words, we give you the freedom and clarity of knowing that your technology works the way it should.

Darktrace, a global leader in cyber security AI, delivers world-class technology that protects over 5,500 customers worldwide from advanced threats, including ransomware and cloud and SaaS attacks. The company’s fundamentally different approach applies Self-Learning AI to enable machines to understand the business in order to autonomously defend it. Headquartered in Cambridge, UK, the company has 1,500 employees and over 30 offices worldwide. Darktrace...

OneTrust, the AI-Ready Governance Platform™, enables innovation through the responsible use of data and AI. Trusted by over half of the Fortune 500, we help businesses govern well and move fast, turning responsible data use into a catalyst for growth.

TradingBlock was recently named the 2025 Best Brokerage for Options Trading by Benzinga based on our commitment to providing investors, active traders, and investment professionals intuitive, fully customizable brokerage and trading solutions.

Since 2003, Hidden Brains has been at the forefront of custom enterprise software development, harnessing the power of AI and next-gen technologies to deliver smart, scalable solutions. We support companies of all sizes—from bold startups to established enterprises—on their journey toward complete digital transformation. With a strong foundation in technologies like AI, ML, Cloud, DevOps, and Blockchain, we empower startups and...

At Micro-Tech USA (MTUSA), we believe IT should feel like a partnership—not a headache. We help small and mid-sized businesses stay secure, productive, and ahead of the curve with managed IT services, cybersecurity, cloud solutions, and strategic tech consulting. Our clients count on us for everything from 24/7 support and network management to Microsoft 365, cloud migrations, and big-picture planning. Whether...

We are a cybersecurity software company. Coro’s AI enabled Modular Cybersecurity Platform is the only one in the industry specifically designed to provide Mid-Market customers with scalable and affordable “enterprise grade” protection for all of their priority threat vectors. Our platform has aided us in being able to raise $100 million in Series D funding in March of 2024, bringing...

Reclaim your time and focus on your business by leaving the IT solutions to us. PCS International is a comprehensive solution provider satisfying the Information Technology hardware, software, and professional service requirements for small & medium businesses. We are committed to offering cutting-edge technologies with outstanding customer support at a great value.

MD Office Mail (MDOM) provides all the ancillary IT services that ensures HIPAA Compliance for individual doctors, small & large clinics and hospitals. Our services include encrypted email, secure fax and VoIP phone lines. We provide secure and HIPAA compliant email service for healthcare service providers which looks & feels as comfortable as a regular email services. We provide end-to-end...

Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence. At Convergint, our top priority is service in every way — service to customers, colleagues, and community. As an integrator, Convergint works alongside a global network of partners and manufacturers to design, install, and service electronic security, cybersecurity, fire and life safety, building automation,...