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Top Illinois Security Startups (63)

Alarm Systems, Inc.
Security • Software
2 Offices
41 Employees
Hiring Now

For more than 40 years, Alarm Systems has been a leader in customized security and home automation solutions. Alarm Systems’ customer service and state of the art technology brings you fast, personal response when you need it most. We design, install, monitor, and service our own security systems. The Total Connect platform keeps you connected to your home no matter...

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Alarm Systems, Inc.
Asymmetric Research
Blockchain • Security
Fully Remote
21 Employees
Hiring Now

Asymmetric Research is a boutique security venture focused on deep partnerships with L1/L2 blockchains and DeFi protocols in an effort to keep them safe

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Asymmetric Research
DH Pace Company, Inc.
Security • Industrial
60 Offices
49 Employees
Hiring Now

DH Pace Company, Inc. is a family-owned, privately held provider of commercial, industrial, and residential door, docking, and security solutions. The company distributes, installs, maintains, and repairs a broad range of products, including doors, loading-dock equipment, electronic security, and gate systems. Operating through more than 60 offices across the continental United States, DH Pace serves businesses, institutions, and homeowners and...

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DH Pace Company, Inc.
SecurTec
Professional Services • Security • Cybersecurity
Mundelein
200 Employees
Hiring Now

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.

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SecurTec
rf IDEAS, Inc.
Hardware • Security • Software
Schaumburg
70 Employees
Hiring Now

rf IDEAS began in 1995 as an early pioneer of proximity-based authentication and identification solutions. Today, we continue to lead the way with an innovative portfolio of credential readers that are compatible with nearly every proximity, contactless smartcard and, now, mobile credential available on the market. We’re your go-to authority for access control, partnering with leading technology companies to provide authentication,...

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rf IDEAS, Inc.
MxD
Internet of Things • Machine Learning • Security • Software • Business Intelligence
Chicago
126 Employees
7 Benefits Hiring Now

MxD (Manufacturing x Digital) advances economic prosperity and national security by strengthening U.S. manufacturing competitiveness through technology innovation, workforce development, and cybersecurity preparedness. In partnership with the Department of Defense, we convene the industrial base to solve critical manufacturing challenges by accelerating digital adoption, empowering a skilled workforce, and modernizing supply chains. MxD is also the National Center for Cybersecurity...

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MxD
GlassHouse Systems
Information Technology • Security
2 Offices
129 Employees
Hiring Now

GlassHouse Systems (GHS) is an infrastructure, security, and managed services solutions provider who develops, designs and deploys solutions for leading enterprises in Canada and the US. For over 30 years, GHS has delivered an enterprise level of service and support to clients. Recognized with industry leading awards each year, GHS translates this differentiation into positive client experiences. GHS believes that...

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GlassHouse Systems
Marshall Investigative Group LLC
Professional Services • Security
Park Ridge
100 Employees
Hiring Now
A Division of Sphere Investigations

Marshall Investigative Group, division of Sphere Investigations, is a recognized leader in fraud and corporate investigations with more than 30 years of experience across North America. We deliver comprehensive, end-to-end investigative solutions by combining advanced technology, deep industry expertise, and a highly skilled network of private investigators. Our services are designed to provide clients with accurate, timely, and actionable intelligence—whether establishing...

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Marshall Investigative Group LLC
CHG Group, Inc.
Information Technology • Security • Defense • Manufacturing
10 Offices
8 Employees
Hiring Now

CHG Group, Inc. is the U.S. headquarters for Chemring Group PLC, providing support to all Chemring business units in the U.S. It is a specialist manufacturing and technology company focusing on innovative solutions for defense and security, including sensors, countermeasures, and energetics.

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CHG Group, Inc.
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Birdseye Security Solutions
Security • Transportation
3 Offices
75 Employees
Hiring Now

At Birdseye Security Solutions, we pride ourselves on offering the most effective facility risk management tool currently available on the market. In today's ever-changing landscape, innovative and forward-thinking companies recognize the crucial need for advanced security measures to safeguard their valuable assets and ensure the safety of their employees. Our cutting-edge solution is designed to cater to these requirements, combining...

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Birdseye Security Solutions
NowSecure
Information Technology • Mobile • Security • Software • Cybersecurity
3 Offices
170 Employees
24 Benefits Hiring Now
As the standards-based mobile app security and privacy company, NowSecure protects the Mobile App Economy.

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.

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NowSecure
Fingerprint
Information Technology • Security • Software • Cybersecurity
Chicago
115 Employees
17 Benefits Hiring Now
Our mission is to empower engineering teams to build safe and seamless online services.

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...

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Fingerprint
AEi Systems
Enterprise Web • Security
La Prairie
11 Employees

AEi Systems is an aerospace engineering and power systems design and analysis firm whose customers include nearly all the world

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AEi Systems
Havoc Shield
Information Technology • Security
Fully Remote
7 Employees
26 Benefits
Small business cybersecurity from Plan to Proof.

We offer small business cybersecurity from Plan to Proof. From infosec policy creation through rollouts of penetration tests, antivirus software, dark web monitoring, and cybersecurity training, we guard your cyber perimeter. Need an attestation letter or badge to demonstrate the strength of your cybersecurity program? We'll help on that, too!

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Havoc Shield
Network Perception
Security • Software • Cybersecurity
Champaign
25 Employees
36 Benefits
Protecting Mission-Critical Assets

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,...

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Network Perception
Corra Group
Enterprise Web • Security
La Prairie
4 Employees

Corra Group provides background screening solutions to employers across the United States and Internationally. Corra

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Corra Group
BluStor
Security
Chicago
9 Employees

We are a group of dedicated people focused on building stronger solutions for protecting our always on, increasingly digital world. We are calling our business Blustor (Blue_Store). CyberGate, our first patented technology, is soon to be a reality offering enterprises, individuals and governments a new way in handling data protection.I have created a presentation outlining our history, company information, product...

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BluStor
RedLegg
Professional Services • Sales • Security • Software
Geneva
45 Employees
19 Benefits
RedLegg is an innovative, global security firm that delivers managed cybersecurity solutions.

RedLegg is an innovative, global security firm that delivers managed cybersecurity solutions and peace of mind. Our agile team of engineers has been serving and defending clients’ information since 2008. Chicago-based and veteran-owned, we are trusted, personable guides in this complex, ever-changing, high-stakes field.

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RedLegg
Head of Security
Security • Software • Cybersecurity • Defense
Chicago
5 Employees
Head of Security LLC is a premier security risk management consulting firm

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...

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Head of Security
Umbrella Security Systems
2 Offices
10 Employees
Commercial Security Systems Consulting, Installation and Integration.

Umbrella Security Systems is a premier provider of cutting-edge security solutions tailored to meet the diverse needs of businesses in Illinois. With a steadfast commitment to excellence, we specialize in delivering top-notch security systems that safeguard commercial properties, ensuring peace of mind for business owners and employees alike. At Umbrella Security Systems, we understand that each business is unique, and so...

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Umbrella Security Systems

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