The 10 Best Cyber Security Companies in Chicago - 2025 Reviews

Top Cyber Security Companies in Chicago

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Top Featured Cyber Security Companies

All Cyber Security Services in Chicago

  • 5
    (1 review)

    Your trusted partner for guaranteed software delivery

    Top awarded
    ELEKS is a trusted global company that provides full-cycle software engineering outsourcing services, from ideation to finished products.
    3 works in Cyber Security
    Located in Chicago, United States (+15)
    From €20,000 for Cyber Security
    Worked in Energy & Oil (+10)
    Speaks English, French(+1)
    1001-5000 members
  • (0 review)

    We help brands dominate in the new normal.

    Fortress Consulting combines the creative strengths of a full service advertising agency with the technical skills of a cutting edge digital media firm. Our capabilities include web design and development, mobile app design and development, search engine optimization (SEO), pay-per-click (PPC), social media, content creation and marketing, advertising & branding strategies.
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Audit, tax and advisory are just the beginning.

    Forget what you think you know about professional services. We go beyond what’s expected and help others do the same. Grant Thornton is the U.S. member firm of Grant Thornton International Ltd, one of the world’s leading independent audit, tax and advisory firms. That means our network has more than 60,000 professionals in more than 135 countries who are ready to help public and private organizations of all sizes take on today’s challenges. But what sets us apart isn’t just what we do – it’s how we do it. Here, we believe in making business more personal and building trust into every result. We’re collaborators – obsessed with quality and ready for anything – who understand the value of strong relationships. It’s how we challenge the expectations of business and empower our people and clients to do it, too. One thing we won’t do? Grant Thornton LLP will never request money or any form of payment for services via social media. Please report any concerns at 1-800-810-3503. Grant Thornton” refers to Grant Thornton LLP, the U.S. member firm of Grant Thornton International Ltd (GTIL). GTIL and the member firms are not a worldwide partnership. Services are delivered by the member firms. GTIL and its member firms are not agents of, and do not obligate, one another and are not liable for one another’s acts or omissions. Please see grantthornton.com for further details.
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    We Live IT. We Prove IT. Complete IT solution provider since 1997.

    PROVIDING IT SECURITY SINCE 1997 Connect with us if you are WORRIED about hackers and if your employees know how to protect your data and reputation, CONCERNED that your IT department or resource are not up to speed on the latest threats, OR EMBARRASSED by recently having your systems compromised. We specialize in helping our clients stopping hackers in their tracks, before they destroy everything you have worked so hard to build. Our client base is comprised of companies and organizations spanning many industry sectors. Our clients include companies with diverse backgrounds, strategic technology needs, as well as compliance and regulatory requirements and standards. Software & High Technology Companies Fast Growth Emerging Startups Non-Profits, Community & Civic Organizations Manufacturing & Logistics Companies Professional Services Firms Financial Consultants Healthcare & Physicians Medical Benefits & HR Consulting Architects & Engineering Firms Law Firms Insurance – Commercial & Consumer Real Estate Association Management Companies Small & Medium-Sized Businesses
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    A Technology Consulting Firm that matches You with the right technologies and best people.

    PSM Partners is one of Chicago’s top IT consulting firms that offers Managed IT services and talent acquisition. Our managed IT services include consulting and project-based offerings such as business IT support, cloud services, cybersecurity, IT infrastructure, and telecommunications.
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Ntiva provides managed IT services, IT consulting and solutions, cybersecurity, and cloud services 24/7 to organizations throughout the country.
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Athreon is a market leader achieving speech to text precision by combining decades of transcription service experience, artificial intelligence, and focused customer care.
    Looking for work in Cyber Security
    Located in Indianapolis, United States
    From €500 for Cyber Security
    Works in multiple industries
    Speaks English
    51-200 members
  • (0 review)

    Public Accounting, Consulting and Technology Firm

    Crowe is a public accounting, consulting, and technology firm with offices across the globe. Crowe invests in tomorrow because we know smart decisions build lasting value for our clients, people, and profession.
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Official Facebook page of Baker McKenzie, redefining the global law firm for the 21st century.

    Our integrated client solutions provide seamless advice, underpinned by deep practice and sector expertise, as well as first-rate local market ...
    Looking for work in Cyber Security
    Located in Chicago, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • 4.8
    (2 reviews)

    A Trusted Digital Transformation Partner

    Recommended
    Futurism Technologies is a CMMI Level 3 and ISO 9001:2015 and ISO 27001 certified organization. A leading provider of digital information technology, consulting, artificial inteligence, IoT, cyber security, and digital transformation services. Headquartered in Piscataway, New Jersey (U.S.), Futurism takes great pride in its ability to provide a guidance and definition to their clients’ digital journey. Established in 2003, Futurism Technologies has a global presence including USA, UAE, Australia, Germany and India. With over 10 global development and delivery centers worldwide and approximately 750+ employees, Futurism is a member of the NASSCOM group and is ranked among the top-performing and fastest-growing digital transformation companies in the USA.
    Looking for work in Cyber Security
    Located in Piscataway Township, United States
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1001-5000 members
  • 5
    (1 review)

    Custom software, app and web development company. ✉ - info@urancompany.com🌎

    Top awarded
    Our mission is to convert ideas into powerful software solutions and improving the online presence of our clients' ventures to achieve their business goals with digital transformation. For 18 years, we deliver solutions for our clients from a number of industries, as Retail and Wholesale, Automotive, Heavy machinery plants, Travel, Sport, Restaurants, Entertainment, Social. With a comprehensive approach, our team is creating and delivering Corporate Portals, Online Stores, Social Networks, Live Streaming & Video Conferencing solutions, Alexa Skills, Smart Assistants, Chatbots, Single Page Applications, Progressive Web Apps. Our expertise: Ecommerce Development - Shopify, Magento & WooCommerce; Video Conferencing Software - WebRTC streaming solutions; Bots and Smart Assistants; Progressive Web AMPs and more.
    9 works in Cyber Security
    Located in Plovdiv, Bulgaria
    From €3,000 for Cyber Security
    Worked in Hospitals & Healthcare (+5)
    Speaks English, Bulgarian
    51-200 members
  • ELIJAH provides trusted digital forensics, eDiscovery, cybersecurity, and information technology services. Computer forensics, electronic discovery & ESI
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • We are Computer Forensic Experts located in the historic Monadnock Building, 53 W. Jackson Blvd., Phone: 312-668-0333. lee.neubecker@enigmaforensics.com.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Data Narro is Milwaukee's expert digital forensics and e-discovery firm. Located downtown, we specialize in helping law firms, businesses, and government agencies discover, recover, and preserve digital evidence for the purposes of investigation, forensic analysis, and litigation support.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Reliable managed IT Security & support services that will help you take your business operations to the next level without breaking the bank!
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Founded in 1930, McDonald Hopkins is a business advisory and corporate law firm with locations in Baltimore/Annapolis, Chicago, Cleveland, Columbus, Detroit, and West Palm Beach. With more than 170 attorneys, the McDonald Hopkins has the expertise and knowledge to meet the legal and business challenges our clients face
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Full-service national business law firm providing legal advice in all the legal practice areas required to do business in today’s marketplace.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • eDiscovery & Computer Forensics Experts
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • We help you solve your CPA firm practice management issues.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Fast Mac Support in Greenville, Spartanburg & Clemson. Certified Apple specialists provide on-site and online assistance for business and home - iOS, iPadOS, MacOS, Apple devices & more. Call (864) 501-4121
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
12

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Customer reviews about Cyber Security Companies in Chicago

CEOTechnology | Chicago, IL

As a tech startup, we needed a comprehensive cyber security strategy tailored for high-growth companies. The cyber security company we worked with in Chicago provided us with exactly that. Their solutions are cutting-edge, and their customer service is top-notch. They are definitely among the top cyber security companies you can find in Chicago.

Operations DirectorHealthcare | Chicago, IL

We recently engaged with a cyber security service based in Chicago to enhance our network security. Their proactive approach in identifying and resolving vulnerabilities has greatly increased our confidence in our IT infrastructure. The communication and response time from their team have been outstanding.

IT ManagerFinance | Chicago, IL

When it comes to cyber security in Chicago, this company really stands out. They have provided us with exceptional service, ensuring that all our data and systems are safeguarded against any threats. The team's expertise in cybersecurity compliance and threat mitigation has been particularly valuable for our operations.

Insights from a Local Expert: Cyber Security Agencies in Chicago - Safeguarding the Windy City

Chicago, renowned for its robust architecture and bustling commerce, is also a stronghold of digital safety, courtesy of its dynamic cyber security sector. This epicenter of technological advancements hosts a rich tapestry of cyber security agencies dedicated to protecting vast amounts of digital data.

Accolades and Recognitions

A Legacy of Awards

Chicago’s cyber security agencies stand tall with numerous accolades under their belts. Recognized globally, these local experts have clinched awards at esteemed platforms such as the Cybersecurity Excellence Awards, demonstrating their prowess in creating resilient digital environments. Their achievements not only reflect their commitment to excellence but also reassure their clients of top-tier service quality.

Client Success Stories

From tech startups to massive financial institutions, Chicago’s cyber security firms have an impressive roster of clients. They've played pivotal roles in shielding data and safeguarding operations for companies, thereby reinforcing their reputation as dependable protectors against cyber threats.

Budgeting for Cyber Security

Understanding Costs

The investment in cyber security varies greatly depending on the company’s scale and specific requirements. Startups may find more budget-friendly options with smaller, boutique agencies, which typically offer competitive rates for comprehensive security setups starting from around $5,000.

For medium-sized enterprises with more complex needs, expenses can range from $20,000 to $100,000, encompassing both preventative measures and advanced threat detection systems. Large corporations, dealing with highly sensitive data across global networks, might face costs heading north of $100,000, reflecting the sophistication and breadth of cyber security management required.

Choosing the Right Agency

Judging a cyber security agency’s efficiency can be tricky but reviewing their case studies and client testimonials is a good starting point. Agencies that have consistently protected clients in high-stakes industries should be top contenders for businesses with similar needs.

Lastly, whilst cost is a deciding factor, companies should prioritize value — robust cyber security is an investment into the company’s longevity and reputation. Selecting an agency that aligns with your security goals and budget is crucial for ensuring the best protection in this rapidly evolving threat landscape.

Karim Saadoune
Written by Karim Saadoune Sortlist Expert in ChicagoLast updated on the 23-03-2025

Latest Projects Submitted to Cyber Security Services in Chicago

Securing IoT InfrastructureIoT solutions provider>$100,000 | 10-2024An IoT solutions provider is looking to secure their extensive network of connected devices against potential cyber threats. The agency chosen will need to show expertise in IoT security solutions.
Cloud Security EnhancementStartup specializing in SaaS products$50,000 - $100,000 | 10-2024A rapidly growing startup is in need of a cybersecurity partner to enhance security measures for their cloud-based applications. Experience in SaaS and cloud security is required for this critical project.
Implementation of Enhanced Cybersecurity MeasuresLeading technology firm in Chicago$30,000 - $50,000 | 10-2024A large-scale technology firm is seeking a cybersecurity agency to implement enhanced security protocols to protect their digital infrastructure. The project requires deep expertise in network security and threat assessment.
End-to-End Data Protection for Financial ServicesMid-sized financial services firm$40,000 - $70,000 | 10-2024This project entails fortifying the cyber defenses of a financial services firm, focusing on transaction security and client data protection. The ideal agency will have a proven track record in financial cybersecurity.
Cybersecurity Audit and Compliance StrategyRegional healthcare provider$15,000 - $25,000 | 10-2024A healthcare provider requires comprehensive cybersecurity audit services to ensure compliance with national healthcare regulations and standards. The agency should offer solutions to safeguard patient data effectively.

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Frequently Asked Questions.


As an expert in cyber security with over a decade of experience in Chicago, I can confidently say that the cyber threat landscape is constantly evolving, presenting unique challenges for businesses in our city. Here are the most critical cyber security challenges facing Chicago businesses today:

  1. Ransomware Attacks: Chicago businesses, particularly in healthcare and financial services, are prime targets for sophisticated ransomware attacks. The city's status as a major economic hub makes it attractive to cybercriminals seeking high-value targets.
  2. Supply Chain Vulnerabilities: With Chicago being a crucial logistics and manufacturing center, supply chain cyber attacks pose a significant threat. Businesses must secure not only their own systems but also vet the security practices of their suppliers and partners.
  3. Cloud Security Concerns: As more Chicago companies embrace cloud technologies, ensuring data security and compliance in cloud environments has become increasingly complex. This is especially crucial given the city's strict data protection regulations.
  4. Insider Threats: In a competitive job market like Chicago's, the risk of insider threats – whether malicious or unintentional – is on the rise. Businesses need robust access controls and employee monitoring systems.
  5. IoT Security: Chicago's smart city initiatives and the growing adoption of IoT devices in industries like manufacturing and healthcare create new attack surfaces that need to be secured.
  6. Talent Shortage: There's a significant cyber security skills gap in Chicago, with demand for qualified professionals outpacing supply. This makes it challenging for businesses to build and maintain strong security teams.
  7. Regulatory Compliance: Chicago businesses must navigate a complex web of local, state, and federal regulations, including the Illinois Personal Information Protection Act (PIPA) and industry-specific requirements like HIPAA for healthcare organizations.

To address these challenges, Chicago businesses should:

  • Implement comprehensive security awareness training programs
  • Regularly update and patch systems
  • Adopt a zero-trust security model
  • Invest in advanced threat detection and response capabilities
  • Collaborate with local cyber security initiatives and information sharing networks
  • Partner with experienced cyber security firms to supplement in-house capabilities

By staying vigilant and proactive, Chicago businesses can better protect themselves against these evolving cyber threats and maintain a robust security posture in our dynamic digital landscape.



The cyber security landscape in Chicago is rapidly evolving, with emerging technologies playing a crucial role in defending against increasingly sophisticated threats. Here are some key technologies shaping the future of cyber security and their implementation in the Windy City:

  1. Artificial Intelligence (AI) and Machine Learning (ML):
    • Chicago-based companies are leveraging AI and ML to enhance threat detection and response.
    • Predictive analytics are being used to identify potential vulnerabilities before they can be exploited.
    • Local startups like Kenna Security are pioneering risk-based vulnerability management using AI.
  2. Zero Trust Architecture:
    • Many Chicago firms are adopting a 'trust nothing, verify everything' approach.
    • Implementation includes continuous authentication and authorization for all users and devices.
    • Major corporations like Boeing, headquartered in Chicago, are leading the way in implementing zero trust models.
  3. Blockchain and Distributed Ledger Technology:
    • Chicago's financial sector is exploring blockchain for secure transactions and data storage.
    • Smart contracts are being used to automate and secure business processes.
    • The Chicago Blockchain Center is fostering innovation in this space, connecting startups with established firms.
  4. Quantum Computing and Quantum-Resistant Cryptography:
    • Research at the University of Chicago and Argonne National Laboratory is advancing quantum-resistant algorithms.
    • Local cyber security firms are preparing for the post-quantum era by developing quantum-safe encryption methods.
  5. Internet of Things (IoT) Security:
    • With Chicago's smart city initiatives, securing IoT devices is a top priority.
    • Companies are implementing device authentication, encryption, and network segmentation for IoT ecosystems.
    • The Array of Things project in Chicago is setting standards for secure urban sensing networks.
  6. Cloud-Native Security:
    • Chicago's tech hub is seeing a shift towards cloud-native security solutions.
    • Implementation includes containerization, microservices architecture, and serverless security.
    • Local cloud security providers like Trustwave are offering cutting-edge solutions for cloud environments.

Implementation strategies in Chicago:

  • Collaboration: The Chicago Cyber Security Cluster facilitates partnerships between startups, corporations, and academic institutions to accelerate adoption of new technologies.
  • Talent Development: Programs like the City Colleges of Chicago's Cyber Security Boot Camp are training the next generation of cyber security professionals in emerging technologies.
  • Regulatory Compliance: Chicago companies are aligning their technology implementations with regulations like the Illinois Personal Information Protection Act (PIPA) and industry standards.
  • Testbeds and Pilot Programs: Organizations are setting up controlled environments to test and validate new security technologies before full-scale deployment.

As cyber threats continue to evolve, Chicago's cyber security ecosystem is staying ahead of the curve by embracing these emerging technologies. The city's unique blend of financial services, technology startups, and research institutions creates a fertile ground for innovation in cyber security, positioning Chicago as a leader in protecting digital assets and information.



The cyber threat landscape in Chicago has undergone significant changes in recent years, reflecting global trends but with unique local characteristics. As one of the major economic hubs in the United States, Chicago has become an increasingly attractive target for cybercriminals. Here's an overview of how the threat landscape has evolved and its implications for Chicago businesses:

1. Ransomware on the Rise

Ransomware attacks have seen a dramatic increase, with Chicago businesses being prime targets. In 2022, the Illinois Attorney General's office reported a 300% increase in ransomware attacks compared to 2018. This surge has significant implications:

  • Financial Impact: Chicago businesses face potential losses from ransom payments, downtime, and recovery costs.
  • Data Protection: Companies must prioritize robust backup systems and recovery plans.
  • Reputation Management: Businesses need to be prepared to handle the public relations aspect of a potential breach.
2. Sophisticated Phishing Campaigns

Phishing attacks have become more targeted and sophisticated, often leveraging local themes or current events in Chicago. For example, during the COVID-19 pandemic, there was a spike in phishing emails related to local health guidelines and vaccination programs. Implications include:

  • Employee Training: Regular, up-to-date cybersecurity awareness training is crucial for all staff members.
  • Email Security: Businesses need to invest in advanced email filtering and authentication technologies.
  • Multi-factor Authentication: Implementing MFA can significantly reduce the risk of compromised accounts.
3. Supply Chain Attacks

With Chicago being a major logistics and supply chain hub, businesses in the area are increasingly vulnerable to supply chain attacks. The implications are far-reaching:

  • Vendor Risk Management: Companies must thoroughly vet and monitor the cybersecurity practices of their suppliers and partners.
  • Third-party Access Controls: Implementing strict access controls for third-party vendors is essential.
  • Continuous Monitoring: Real-time monitoring of supply chain activities for anomalies is becoming a necessity.
4. IoT Vulnerabilities

As Chicago continues its smart city initiatives, the proliferation of IoT devices has created new attack vectors. This trend has implications for businesses across various sectors:

  • Network Segmentation: Companies need to isolate IoT devices from critical systems.
  • Device Management: Implementing robust IoT device management and patching processes is crucial.
  • Security by Design: Businesses developing IoT products must prioritize security from the outset.
5. State-Sponsored Threats

Chicago, as a major financial and infrastructure hub, has seen an increase in sophisticated state-sponsored cyber attacks. The implications for businesses include:

  • Advanced Threat Detection: Investment in advanced threat detection and response capabilities is necessary.
  • Information Sharing: Participation in public-private partnerships for threat intelligence sharing is becoming crucial.
  • Regulatory Compliance: Staying compliant with evolving cybersecurity regulations is more important than ever.
6. Cloud Security Challenges

As Chicago businesses increasingly adopt cloud services, new security challenges have emerged. Key implications include:

  • Shared Responsibility: Understanding and implementing the shared responsibility model for cloud security is crucial.
  • Data Governance: Stricter data governance policies are needed to ensure compliance and data protection in cloud environments.
  • Cloud-native Security: Adopting cloud-native security tools and practices is essential for effective protection.

In conclusion, the evolving cyber threat landscape in Chicago presents significant challenges for local businesses. To stay protected, companies must adopt a proactive and comprehensive approach to cybersecurity. This includes regular risk assessments, employee training, investment in advanced security technologies, and collaboration with local cybersecurity experts and authorities. By staying informed and prepared, Chicago businesses can better position themselves to face the dynamic cybersecurity challenges of today and tomorrow.