Top Illinois Cybersecurity Startups (31)

We are Verity IT, your trusted partner in managed IT services, cybersecurity, and cloud solutions. Our mission is to empower businesses with seamless, secure technology solutions that drive productivity and resilience. 🚀 Mission: To deliver reliable, secure IT services that enable businesses to thrive and adapt in an ever-evolving digital landscape. 🌟 Vision: To be the preferred IT partner for businesses, providing...

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.

Fingerprint empowers developers to stop online fraud at the source. We work on turning radical new ideas in the fraud detection space into reality. Our products are developer-focused and our clients range from solo developers to publicly traded companies. Some of our customers include Coinbase, Booking.com, Yahoo, and eBay just to name a few. We are a globally dispersed, 100% remote company...

NowSecure’s mission is to save the world from unsafe mobile apps. Founded in 2009, we are exclusively a mobile first, mobile only app security testing automation company that maintains deep roots within the security community, sponsoring open-source tools like Frida, Radare and r2frida.

We help enterprise organizations design, implement, and sustain their most critical security and technology programs. Our work spans four core disciplines: cybersecurity solution design and delivery across IAM, Data Security, Network Security, Threat & Vulnerability Management, CDR & Application Security, GRC & Compliance, AI Security, Quantum Security, and OT Security; program and project management that keeps complex, multi-stakeholder initiatives on...

Since 2003, Clark Schaefer Consulting has been providing superior accounting, control and technology/cybersecurity services to the business community. The Firm has an established reputation for delivering outstanding and customizes solutions for a reasonable cost. Integrity, quality, respect, and innovation are all values that we deliver to our clients, and are therefore traits found in our employees. Subsequently, as a Firm,...

Experiencing a security incident? Contact us for immediate support and we will respond within 15-minutes to begin the containment and recovery process. https://www.entaracorp.com/report-an-urgent-cybersecurity-incident Entara sets the standard as the world’s first eXtended Service Provider (XSP) and delivers exceptional, security-first IT solutions for their clients, including managed IT and cybersecurity services, incident response services, and other professional services. Founded in 2001, the...

We cybersecure your organization. LeadingIT provides fast+friendly cybersecurity and technology (unlimited) support for nonprofits, manufacturers, schools, accounting firms, religious organizations, government, and law offices with 10-200 employees across the Chicagoland area.

Empirical builds mathematical models for security data. We maintain the world’s most advanced global models for cybersecurity, and we build local models that respond to your enterprise’s specific context and threat landscape.

Founded in 2015, we help companies big and small alike manage and audit access to their databases, servers, clusters, and web applications.

We are at the forefront of Gen AI cybersecurity using Microsoft Defender XDR + Microsoft Sentinel, powered by Microsoft Copilot for Security and our expert insights. We offer 24x7 comprehensive managed Extended Detection and Response (XDR), Identity Threat Detection & Response (ITDR), Data Security and Security Exposure Management services. Numerous leading mid-sized organizations operating in 37+ countries across 4 continents depend...

MHT’s SmarTest® AI integrates with your EMR, eliminating administrative burden. The screening process is customizable based upon your specialty, clinical and financial goals. By strategically enabling add-on CPT codes and enhancing ancillary service offerings, MHT can unlock new revenue streams and boost overall clinic profitability. We offer Risk-Free Proof of Concept Trials to qualified healthcare providers. Contact us to learn...

Cyberyn helps trucking and logistics companies reduce cyber risk without disrupting operations. We protect endpoints, stop ransomware, test real-world attack scenarios, train employees to spot threats, and monitor systems 24/7 through our SOC. Built for fleets, dispatch, and growing transportation businesses.

Waratek is the Security-as-Code platform that enables security teams to automate the management of security behavior to reduce human error, remove false positives, and maintain lockstep with the rapid rate of code changes and deployments. Never before have security teams solved security at scale by protecting every application in their enterprise or patching vulnerabilities at scale with modern application development...

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...

Scalesology is a data analytics, software development, and cybersecurity consulting company. Our services scale your processes, systems, data, and analytics to transform your business and improve your bottom line. We are technology agnostic and security conscious, focused on finding the right solution for your business needs, not trying to conform your business to a prescribed technology solution.

Chicago Computer Network is a complete technology solution provider for businesses in Chicago and surrounding areas. We have a team of talented IT professionals who can solve your IT nightmares once and for all. Whether you need network security, managed IT services, email spam protection, or any other IT service, we have you covered. We are 100% committed to your satisfaction...

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...

Cog Systems, a cyber security company. Cog built and enabled the world's most secure connected devices, provided advanced operating system and platform development products and services for smart, connected and IoT devices. Our founding staff developed the OKL4 Microvisor at Open Kernel Labs (acquired by General Dynamics C4 Systems) and have each more than decade of specialist experience in the field, including...

You rely on technology every day, but is it really working for you? Maybe it feels like IT is just one more thing holding your business back. You’ve dealt with recurring issues, sluggish support, missed opportunities, and rising security risks. You’ve invested time and money, but it’s not translating into real progress—or a competitive advantage. You want more than a vendor. You want a...