Top Illinois Cybersecurity Startups (37)

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...

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...

KaiHonua is a Native Hawaiian Organization-owned small disadvantaged technology company providing information-technology services to the U.S. Department of Defense. Its mission is to support warfighters, help veterans, and protect the nation through mission-critical technology expertise, operational support, and management experience. Capabilities include infrastructure, network and software engineering, cybersecurity, intrusion detection, network security, systems security, contract staffing, and project implementation services.

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.

SecurTec is a security firm providing institutional-grade physical protection, cybersecurity, and strategic advisory services to government and private clients on a global scale. The company specializes in delivering tailored security solutions that mitigate risks, safeguard critical assets, and ensure uninterrupted operations across diverse sectors, including energy and critical infrastructure.

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.

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...

Chi Networks is a Chicago-headquartered managed service provider delivering cloud and managed IT solutions to organizations. Its offerings include Infrastructure as a Service, Virtual Desktop Infrastructure, private and hybrid cloud, hosted environments, help-desk support, and integrated security and network operations. The company emphasizes tailored technology services, 24/7 support, data-center operations, cybersecurity, and infrastructure management to improve customers’ security, performance, and...

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.

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...

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...

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,...

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.

S.R. Snodgrass, P.C. is an independent accounting and consulting firm founded in 1946. They provide personalized tax, assurance, technology, risk analysis, and financial advisory services. The firm is highly specialized in serving community banks and nonprofit organizations, emphasizing a personalized approach to customer service and stability.

Paragon Micro Inc. is a full-service global IT solutions provider, technology business advisor, and IT reseller. The company specializes in helping business and public sector clients, including federal agencies, solve complex IT challenges through a comprehensive portfolio of services encompassing hardware, software, cybersecurity, cloud computing, network infrastructure, and modern workplace solutions.

ApplyLogic is a certified Service-Disabled Veteran Owned Small Business (SDVOSB) and leading provider of integrated technology solutions to customers across the public and private sectors. Our business is about optimizing your business, through the full range of IT services that are critical to both daily operations and long-term strategic plans. We have been recognized at both the national and local...

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...

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...

Head of Security LLC is a premier security risk management consulting firm dedicated to safeguarding your assets, operations, personnel, and reputation. Specializing in physical, operational, personal, and business security management, our team of highly skilled Security Management Consultants provides tailored, actionable solutions. Through in-depth threat risk assessments, strategic recommendations, and comprehensive implementation, we equip businesses, organizations, properties, and communities with robust...