Top Illinois Cybersecurity Startups (30)

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.

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,...

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 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.

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...

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...

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...

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...

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...

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...

Network Perception protects mission-critical assets by empowering cybersecurity and compliance teams to achieve high levels of cyber resiliency through verification, visibility, and velocity. Built by a government-funded research team of cybersecurity and industry experts in network security and critical infrastructure protection, the NP-View platform is the industry standard to verify network segmentation and visualize industrial control network environments. As a small,...

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.

Parkar Mission: Creating a new paradigm, Defining our karmic culture Parkar Digital is a Hybrid-first company dedicated to hiring, retaining, and developing high-performing employees and teams with diverse backgrounds. We are a digital transformation and software engineering company headquartered in Atlanta, USA, and have our engineering teams across the US, India, and Latin America. Our solutions are powered by the Parkar...

Anansi Cyber is a cybersecurity firm that specializes in penetration testing and helping our clients find vulnerabilities. We apply scenarios that are leveraged by threat actors and APTs to uncover vulnerabilities that may affect client networks and provide the most robust information in how to best secure their environments to help improve their security posture.

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.

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...

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.

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.