Start Protecting Your Data Today

20 Best Cybersecurity Companies in Chicago

Looking for a good cybersecurity company in Chicago? Discover the top 20 Chicago cybersecurity companies safeguarding businesses.

Chicago, a bustling hub of commerce, thrives on an interconnected, digital world. However, lurking in the shadows of this high-tech landscape are cyber threats that are always watching and constantly evolving. This raises the stakes for businesses seeking to protect their valuable digital assets. Enter our city’s premier cybersecurity defenders. In this definitive list, we'll unveil the top 20 cybersecurity companies in Chicago. Each one is armed with cutting-edge technologies and formidable expertise, helping clients weather the cyber storm. If you've ever wondered, "Who's safeguarding the Windy City from the ceaseless onslaught of digital predators?" This article has your answers. We’ll dive into the gritty details about these firms that are not only trailblazers in the industry but are also anchoring Chicago's digital fortress. Be prepared to unmask the guardians of our city's security team. Let's get started.

1. Eden Data

In need of a cybersecurity champion to safeguard your digital assets? Look no further than Eden Data, Chicago’s unrivaled cybersecurity guardian. Our notable accolades and glowing testimonials reflect our dedication and unparalleled proficiency in cybersecurity. As your one-stop solution for cybersecurity, compliance, and privacy, we're committed to keeping your digital assets secure.

Our mission is to support startups by providing exceptional cybersecurity services that won't drain your budget. Hence, we've designed our services around a subscription model, offering you top-tier cybersecurity expertise for a regular monthly fee. Our team consists of cybersecurity wizards from top-tier consultancies and military backgrounds, providing unparalleled expertise in digital defense and compliance.

To meet the diverse needs of your business, we offer three plans:

  • Seed: For businesses focusing on compliance.
  • Sprout: For those who need both compliance and security, with us as your vCISO or supporting your current team.
  • Sapling: A comprehensive package encompassing compliance, security, and privacy.

Ready to level up your defenses? Get in touch today!

  • Headquarters: Austin, TX
  • Founded: 2021
  • Specialization: Cybersecurity Consulting Services

2. Huntress

Huntress, stationed in the heart of Chicago, is a force to reckon with in the cybersecurity domain. Their primary forte is the detection and remediation of cyber threats that traditional antivirus software might overlook. By deploying a meticulous methodology that pairs advanced threat intelligence with a hands-on remediation team, they ensure that their clients can operate securely within the digital realm. This proactive model of detecting latent threats sets Huntress apart as a leader. As they continue to develop and hone their services, Huntress remains committed to empowering businesses by fortifying their defenses.

  • Headquarters: Fully Remote with HQ in Ellicott City, MD, USA
  • Founded: 2015
  • Email:
  • Website:
  • Contact: +1 833-486-8669
  • Address: 6021 University Blvd. #450, Ellicott City, Maryland 21043
  • Specialization: Managed Detection and Response Services

3. Oak9

Oak9, a Chicago-based firm, has risen to prominence for its streamlined approach to integrating security into the software development process. Recognizing the fast-paced nature of software development, oak9 developed an automation-first methodology. This allows security to keep pace with development, ensuring that security checks are done in real-time, reducing vulnerabilities and the need for costly rework. In a world where time is often of the essence, oak9's commitment to efficient, automated security solutions helps businesses to develop secure, high-quality software products faster.

  • Headquarters: Chicago, IL
  • Founded: 2019
  • Email:
  • Website:
  • Phone: (610) 228-2123
  • Address: 444 N Michigan Ave, Chicago, IL 60611, United States
  • Specialization: Computer and Network Security

4. NowSecure

Chicago-based NowSecure has made a name for itself in the cybersecurity sector with a dedicated focus on mobile security. Realizing the importance of smartphones in modern business operations, NowSecure offers businesses an end-to-end platform to test the security of mobile apps. Their platform is designed to integrate seamlessly with the development process, providing real-time security testing that ensures the app is secure at every stage of development. This focus on mobile app security helps businesses to develop apps that are not just user-friendly and functional, but also secure.

  • Headquarters: Chicago, IllinoisL
  • Founded: 2009
  • Email:
  • Website:
  • Phone: +1 312-878-1100
  • Address:4141 West Jackson Boulevard, Suite 2100 Chicago, IL 60604
  • Specialization: Mobile app security

5. Coro

Residing in Chicago, Coro ventures beyond the traditional to provide a next-generation, cyber-fortified environment. They utilize adaptive security architecture, which dynamically responds to evolving threat landscapes. This agility enables them to stay ahead of potential threats. They also employ behavioral analytics, creating a cyber-mosaic of usual and unusual patterns, thereby detecting anomalies and stopping cyberattacks in their tracks. Coro'sCoro's distinctive modus operandi reassures clients of their unwavering commitment to maintaining the integrity of their digital ecosystems.

  • Headquarters: New York, New York
  • Founded: 2014
  • Email:
  • Website:
  • Phone: +1 844-926-7663
  • Address: 13 Yehuda & Noah Moses, Tel Aviv, Tel Aviv, 6744252, Israel
  • Specialization: Cloud-based cybersecurity solutions for businesses

6. CNA

As one of the oldest commercial insurance providers in the United States, CNA has evolved to meet the modern demands of cybersecurity. They offer robust insurance policies that are designed to provide comprehensive coverage in the event of a data breach or other cyberattack. However, their commitment to cybersecurity doesn't stop at insurance; they also offer risk control services that help businesses to identify potential threats and develop strategies to mitigate them. This combination of cyber insurance and proactive risk control services makes CNA a one-stop shop for businesses looking to protect themselves from the financial and reputational damage that can come with a cyberattack.

  • Headquarters: Singapore, Singapore
  • Founded: 1999
  • Website:
  • Email:
  • Phone: (800) 345-0191
  • Address: Chicago, 151 N Franklin St floor 9, United States
  • Specialization: Property and casualty business insurance solutions

7. AutoCloud

AutoCloud is a tour-de-force in the automation-first cybersecurity domain. Their cloud-native platform empowers clients to orchestrate their security measures in a proactive, agile manner. Additionally, it employs an advanced heuristic analysis to spot vulnerabilities and suggests remediation measures. With a focus on automation and orchestration, AutoCloud enables clients to maintain a secure digital perimeter without sacrificing the agility needed in today's dynamic technological landscape.

  • Headquarters: Seattle, Washington
  • Founded: 2019
  • Website:
  • Email:
  • Phone: 312.436.1104
  • Address: 4803 N Milwaukee Ave Ste B Unit 269, Chicago, Illinois, 60630
  • Specialization: Solutions for managing and optimizing cloud infrastructure

8. Optiv

Optiv, headquartered in Chicago, has carved a niche for itself in the dynamic field of cybersecurity with a distinct emphasis on risk management. Their services facilitate the alignment of security protocols with fundamental business objectives, turning cybersecurity into a growth enabler. By identifying and addressing potential vulnerabilities, streamlining security operations, and providing strategic roadmaps, Optiv helps organizations shield their valuable digital assets. Their comprehensive approach underscores their understanding of the intricate ties between business performance and cybersecurity, making them invaluable partners for businesses striving to thrive in a digitally-driven world.

  • Headquarters: Denver, Colorado
  • Founded: 2015
  • Website:
  • Phone: (800) 574-0896
  • Email:
  • Address: Denver, 1144 15th St #2900, United States
  • Specialization: Comprehensive cybersecurity solutions

9. Network Perception

Network Perception, a trailblazer in network compliance and cybersecurity, is strategically located in Chicago. They bring to the table a cutting-edge suite of network visualization and compliance tools designed to strengthen the architecture of businesses. Their offerings allow organizations to gauge their health in real time, enabling them to identify and rectify vulnerabilities proactively. By integrating high-powered technology and actionable intelligence, Network Perception turns compliance and security from a challenge into an advantage, enabling businesses to navigate the complex landscape with ease.

  • Headquarters: Chicago, Illinois
  • Founded: 2014
  • Website:
  • Phone: (872) 245-4100
  • Email:
  • Address: 20 N Upper Wacker Dr STE 1200, Chicago, IL 60606, USA
  • Specialization: Cybersecurity solutions for critical assets

10. Contrast Security

Situated in Chicago's bustling tech scene, Contrast Security is a revolutionary force in the world of application security. It has radically shifted the focus from vulnerability patching to embedding security within the DNA of applications from their inception. This novel approach results in applications being inherently impervious to cyber threats, rendering late-stage patches obsolete. This bold reimagining of application development is not only a significant contribution to enhanced security, but it also aligns perfectly with the speed of modern software development cycles. By fusing security and software development into a harmonious process, Contrast Security is on a mission to change the industry narrative around secure application development.

  • Headquarters: Los Altos, CA
  • Founded: 2014
  • Website:
  • Phone: 888.371.1333
  • Email:
  • Address: 240 3rd Street 2nd Floor Los Altos, CA 94022
  • Specialization: Modernized application security solutions


Chicago-based EMPIST is a renowned name in comprehensive services. By synergistically integrating advanced technology with human intuition, they can construct multi-layered defense strategies that combat the full spectrum of threats. Their operational model is a balanced blend of proactive threat hunting and reactive defense measures, ensuring businesses can sustain their rhythm of operations while successfully deterring potential attackers. EMPIST's blend of technology and human expertise affirms its commitment to maintaining the integrity of clients' digital landscapes, a commitment made evident in its multi-faceted approach to cybersecurity.

  • Headquarters: Chicago, Illinois
  • Founded: 2000
  • Website:
  • Phone: (312) 626-8794
  • Email:
  • Address: 55 W Monroe St Ste 400, Chicago, Illinois, 60603, United States
  • Specialization: Full-service technology company

12. Sikich

An authoritative player in the world of cybersecurity, Sikich is a strategic partner in the journey of managing and mitigating risks. They offer a wide range of services, including exhaustive risk assessments, rigorous regulatory compliance checks, and sophisticated penetration testing. Their all-encompassing suite of services provides reassurance to clients that their digital landscapes are being vigilantly scrutinized for vulnerabilities and fortified against lurking adversaries. By keeping a vigilant eye on the evolving threat landscape, Sikich offers an umbrella of protection that empowers businesses to boldly navigate the digital world.

  • Headquarters: Chicago, Illinois
  • Founded: 1982
  • Website:
  • Phone: (877) 279-1900
  • Email:
  • Address: 200 W. Madison St. Suite 3200. Chicago, IL 60606
  • Specialization: Technology, accounting, tax, audit, and business advisory

13. BetterWorld Technology, LLC

An ardent provider of top-tier cloud security services, BetterWorld Technology, champions the concept of ''security by design.'' This philosophy ingrains security measures directly into the fabric of the cloud environment from the very beginning. This not only leads to an inherently fortified cloud environment but also negates the need for later-stage security interventions. BetterWorld Technology also conducts thorough audits of existing cloud security protocols, ensuring that every facet of the client's cloud operations adheres to stringent security standards. Through their commitment to proactive security and rigorous audits, BetterWorld Technology enables clients to confidently expand their digital footprint into the cloud.

  • Headquarters: Chicago, Illinois
  • Founded: 1982
  • Website:
  • Phone: (866) 567-2273
  • Email:
  • Address: 11951 Freedom Dr 13TH Fl, Reston, Virginia, 20190, United States
  • Specialization: Technology, accounting, tax, audit, and business advisory

14. Framework Communications

Nestled in the heart of Chicago, Framework Communications is a pioneer in providing technologically advanced services. They have mastered the art of cyber-resilience, providing organizations with the armor needed to weather the storm of threats. Their service delivery model encompasses a dynamic range of defenses, from regular system health checks to establishing solid security infrastructures. Moreover, their commitment to elevating IT support by incorporating enhanced cybersecurity makes them a dependable partner in the technology services sector.

  • Headquarters: Chicago, IL
  • Website:
  • Phone: (312) 265-8733
  • Email:
  • Address: 700 N Sacramento Blvd 101, Chicago, Illinois, 60612, United States
  • Specialization: Managed IT Services

15. Realnets

Realnets has carved its niche in the arena of cybersecurity by mastering the balance between robust security and operational efficiency. They orchestrate a harmonious blend of advanced technology and seasoned expertise to provide an expansive range of services. Their service array includes everything from managed security services to sophisticated incident response protocols. This Chicago-based firm's dedication to empowering businesses to navigate the digital space confidently makes them a standout in the field.

  • Headquarters: Park Ridge, IL
  • Founded: 1998
  • Website:
  • Phone: 866.216.9426
  • Email:
  • Address: 100 Higgins Rd Suite 100, Park Ridge, IL 60068, USA
  • Specialization: Managed IT and Digital Solutions

16. PEAK6 Investments

PEAK6 Investments, based in Chicago, isn't merely another name in the investment firm landscape. They differentiate themselves through a technology-first philosophy which beautifully intertwines into their measures. This philosophy translates into the safety of both the firm's critical assets and its clientele. Their proactive stance towards cybersecurity is underlined by intricate risk assessments and vigilant security protocols. This elaborate network fortification helps maintain the inviolability of their digital environment, contributing significantly to their standing as a leading tech-oriented investment firm. In the fiercely competitive world of finance, PEAK6's commitment to solidifying its digital defenses reinforces its dedication to clients' security and trust.

  • Headquarters: Austin, TX.
  • Founded: 1997
  • Website:
  • Phone: +1-312-444-8000
  • Email:
  • Address: 141 W Jackson Blvd Ste 500, Chicago, Illinois, 60604, United States
  • Specialization: Investment and Strategic Capital Management

17. Certified Ethical Hacker (CEH)

A training initiative with its base in Chicago, Certified Ethical Hacker (CEH) has firmly established itself as a leading provider of ethical hacking certifications. The program is intensive, equipping participants with the ability to identify and fortify vulnerabilities, mirroring the techniques of malicious hackers but with the objective of strengthening systems. This ''hack to protect'' philosophy prepares professionals to safeguard digital assets against potential attacks. With an eye on the evolving landscape of threats, CEH is creating a cadre of skilled warriors ready to defend the digital frontier.

  • Headquarters: Albuquerque, New Mexico
  • Founded: 2003
  • Website:
  • Phone:+1 505-341-3228
  • Email:
  • Address: 2502 North Rocky Point DR Tampa, FL 33607
  • Specialization: Cybersecurity Training and Certification

18. RedSeal

RedSeal stands as a vanguard in network modeling and risk scoring. This Chicago-based company has skillfully harnessed advanced analytics to predict and prevent potential security breaches. By creating a detailed digital replica of an organization's network, RedSeal allows for identifying and rectifying security gaps before they can be exploited. This, combined with their refined risk-scoring methodology, enables organizations to prioritize their defenses effectively. RedSeal's sophisticated approach to cybersecurity underscores its role as an architect of resilient digital domains.

  • Headquarters: Menlo Park, CA  
  • Founded: 2004
  • Website:
  • Phone: 408-641-2200
  • Email:
  • Address: San Jose, 1600 Technology Dr 4th Floor, United States
  • Specialization: Cyber Risk Terrain Analytics and Modeling

19. VikingCloud

As a trusted ally for those in need of cloud security, VikingCloud is transforming the way businesses perceive cloud safety. Their vision of a secure cloud future is realized through a sophisticated blend of next-generation technology and industry-leading expertise. They provide detailed security audits, remediation strategies, and ongoing cloud protection, ensuring that businesses can fully harness the potential of the cloud without being tethered by security concerns. The mission of VikingCloud is not only to provide cloud security but to reshape the cloud landscape into a more secure realm for businesses.

  • Headquarters: Chicago, IL
  • Founded: 2020
  • Website:
  • Phone: 1 (833) 970-3100
  • Email:
  • Address: 70 W Madison St # 400, Chicago, IL 60602, USA
  • Specialization: Real-Time Cyber Risk and Compliance Management

20. Blackberry

Renowned globally for their smartphones, Blackberry has also emerged as a serious contender in the cybersecurity arena. With operations based in Chicago, Blackberry offers an all-encompassing suite of services that revolve around the core objective of fortifying businesses against looming threats. Their service repertoire includes but isn't limited to mobile threat defense mechanisms, secure communication channels, and AI-driven cybersecurity strategies. As we delve deeper into the age of digital interconnectedness, Blackberry's holistic security services reflect their unwavering commitment to a resilient future where businesses can operate fearlessly.

  • Headquarters: Chicago, IL
  • Founded: 1984
  • Website:
  • Phone: 877-644-8410
  • Address: 1050 K Street, N.W, Washington, D.C
  • Specialization: Intelligent Security and Cyber Resilience Solutions

Chicago's Cybersecurity Cornerstones: Top Companies for Your Digital Protection

Chicago, a bustling hub of commerce, is home to a dynamic array of cybersecurity companies. These companies, from startups to established industry leaders, are at the forefront of digital defense, offering robust safety nets to protect your precious data from the ever-evolving threats of the digital world. As we continue to navigate the complex world of cybersecurity, remember that partnering with a reliable company is the first step towards secure and seamless growth. Explore these top companies in Chicago and take the first step towards securing your digital future today.


And there you have it - a curated selection of the most influential cybersecurity firms in the Windy City! From startups to multinational powerhouses, each company has shaped the cyber landscape in its unique way, creating a resilient digital environment. Whether you need to fortify your network, train your staff, or seek innovative solutions, these Chicago-based companies are at the vanguard. Remember, in this digital age, cybersecurity is no longer a luxury but a necessity. Now, it's your move. Stand tall, and be cyber secure!

Let's Discuss Your Compliance Goals

Our team is ready to answer any and all questions you may have.