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

  • HALOCK Security Labs is a leading risk management and cyber security consulting firm. Click here to learn about our capabilities.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Searching for a new Chicago IT company? ⭐ Infiniwiz offers "Best in Class" IT Support & IT Services for Chicago organizations. – FREE onsite review!
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Prescient Solutions is a managed IT services Chicago provider, offering onsite IT, remote IT, IT project support, cloud services, and Microsoft.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    RAM Communications provides the best technology, economy and customer support in telecommunications for your business.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Recognized for over 25 years of legal success in guiding insurance companies and their insureds.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • A full-service law firm handling complex transactions, litigation and regulatory work for multinational businesses. Office locations include Albany, Boulder, Chicago, Denver, Des Moines, Florham Park, Fort Wayne, Hartford, Indianapolis, London, Minneapolis, New York, Philadelphia, Princeton, San Francisco, Shanghai, Silicon Valley and Washington, D.C., Wilmington
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Hinshaw & Culbertson LLP is a U.S. based law firm with offices nationwide. The firm's national reputation spans the insurance industry, the financial services sector and other highly regulated industries. Hinshaw also serves as counsel to the professional services sector, and provides business advisory and transactional services to clients of all sizes.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Loeb & Loeb LLP is a multi-service law firm with offices in Los Angeles, New York, Chicago, Nashville, Washington, D.C., San Francisco, Beijing and Hong Kong
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Benesch is an AmLaw 200 business law firm with offices in Cleveland, Chicago, Columbus, San Francisco, Wilmington, Hackensack and Shanghai. This firm serves national and international clients.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • Titan Security is a leading security provider that specializes in security services, consulting, and electronic security solutions.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • GuidePoint Security provides trusted cybersecurity consulting expertise, solutions, and services that help organizations make better decisions and minimize risk.
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • Chicago Computer Forensics is the top provider of digital forensics and cyber security services in Chicago and the region.
    Looking for work in Cyber Security
    Unknown location
    Budget on request
    Works in multiple industries
    Speaks English
    1-10 members
  • No other Chicagoland IT company can match ExcalTech’s range of high-quality IT services, quick support, and team of highly skilled IT engineers.
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Top managed IT services provider (MSP) of cloud computing, disaster recovery, data protection, & information technology services in Chicago IL
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • Rock Fusco & Connelly LLC is a full service law firm representing its clients in all facets of Litigation and transactional needs. We are a general practice law firm
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Best IT Support Company in Chicago | Illinois |IT Support Company in Chicago | Illinois | Best IT Support providing company
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • Your partner for IT solutions that set you free. We take care of the technology so you have both the tools and the time to focus on you and your business.
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Empowering business growth with technology! #ITservices #ITsupport #ITconsulting #cloud #cybersecurity

    Every company needs a why. At Ntiva, growing people (our employees, partners, and clients) is our mission. As one of the fastest-growing managed services companies in the country, our growth is fueled by a laser focus on building a powerhouse of tech talent, leveraging state-of-the-art technology platforms, and automating routine services where possible so that our people can be elevated to provide strategic advice. Headquartered in Northern Virginia, Ntiva was founded by Steven Freidkin in 2004. Today, we rank in the top 30 MSPs nationwide and operate out of five strategic locations across the United States, where we specialize in helping organizations solve their complex IT challenges, help with strategic direction, proactively manage IT infrastructure, and protect people, platforms, networks and data around the clock with our advanced security solutions. For more information, visit www.ntiva.com or call 888-99-NTIVA to discover how we can help your business succeed!
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)

    Customer Focused. Results Driven.

    Outsource IT Solutions Group (OSG) is a full service IT development, networking, and IT maintenance company serving clients in Chicagoland area since 1998. Outsource entered the market at the leading edge of networking and complex technology systems – and we’ve been there ever since. OSG currently maintains a 20+ employee technical staff. As an organization Outsource is a Microsoft Gold Certified Partner, Microsoft Small Business Specialist and Cisco Select Certified partner. OSG’s team of trained and certified technicians, engineers and customer service representatives all work together to ensure that your business IT needs are met at every level, from design and implementation to training and maintenance. OSG provides the following services; Managed IT services, Hyper-V server virtualization, cloud-based business continuity, Network Design, LAN/WAN Troubleshooting, Remote Connectivity design and implementation, local and cloud-based e-mail hosting, cloud-based e-mail security, queuing, and archiving, Internet gateway design and security and competitive pricing on hardware/software.
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    Works in multiple industries
    Speaks English
    1-10 members
  • (0 review)
    Chicago Managed IT Services. We provide Outsourced IT, Server Management, Cloud Setup, Microsoft 365, and IT Management. Chicago, Bloomingdale, Schaumburg, Naperville, Oak Brook,
    Looking for work in Cyber Security
    Unknown location
    From €1,000 for Cyber Security
    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 25-04-2025

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.