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Discover the 10 Best Cyber Security Companies in Chicago

Bhavin Doshi

Bhavin Doshi, Senior Business Consultant
Dec 29, 2023

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Cyber threats are on the rise, businesses are scrambling to safeguard their digital assets, and you don't want to be left behind. The solution lies in selecting the best cyber defence agency as your partner.

There is no doubt that choosing the right one for your company is an uphill task. This is because there are lots of firms to pick from, making the process harder for organisations doing it the first time.

No worries, as we are here to help.

This blog post delves into the top 10 cyber security companies in Chicago, offering insights into their services, expertise, and how they can fortify your online defences. Whether you're a small business or a large corporation, understanding your options is key to making an informed decision. Let's explore these agencies and their offerings.

Microminder Cyber Security

1. Microminder

If you are looking for a top-tier, CREST-certified cyber security consultancy firm, we are your best option. At Microminder, we have more than enough experience – over 40 years on our belt – and have served over 2500+ clients globally. This positions us as a worldwide online safety provider, safeguarding firms of all sizes.

Want to know our services? We provide CISO as a Service (CISOaaS), managed security, ISO 27001, PCI DSS and GDPR consultation services, and security awareness and training, to mention a few.

Moreover, suppose you don't know what online safety package you need. In that case, our experts can help analyse your business and industry and craft a solution that meets your needs, helping you navigate the complex compliance landscape.

Here are some benefits of partnering with us:

  • Operational Continuity: Utilising our expertise, we fortify your digital assets against online threats. Our proactive approaches maintain system integrity, minimise downtime, and ensure smooth, uninterrupted business operations.
  • Fair Pricing: At Microminder, we are dedicated to offering top-tier solutions at competitive rates. Our balanced pricing strategy ensures cyber protection without overbearing costs, maintaining a harmony between superior service and cost-effectiveness.
  • Competitive Edge: Our sophisticated online safety services protect your assets and enhance your reputation. This fosters trust among stakeholders and gives you an edge in the competitive market.

Interested? Contact our team today and embark on a journey to secure, resilient cyber operations that empower your business for future growth and success.

  • Headquarters: London, UK
  • Founded: 1984
  • Email Address:
  • Website:
  • Contact: +44 203-336-7200
  • Address: 8a Wadsworth Rd, Perivale, London, England UB6 7JD, GB
  • Specialisation: OT Security, Cyber Risk Management, Compliance Consulting

PSM Partners

2. PSM Partners

Established in 2015 in Chicago's financial district, PSM Partners primarily provides IT management services and talent acquisition. More specifically, their suite of managed IT services encompasses business IT support, cloud services, cyber security, and telecommunications.

Furthermore, aimed at propelling business growth through technological innovation and expert talent, PSM Partners offers project-based and consulting services tailored to meet the specific needs of each client. With a dedicated team of experts, they also provide executive-level support with solutions designed to meet the challenges of the modern marketplace and optimise operational efficiency.

  • Headquarters: Chicago, USA
  • Founded: 2015
  • Email Address:
  • Website:
  • Contact: +1 312-940-7830
  • Address: 209 W. Jackson Blvd, Suite 903 Chicago, IL 60606
  • Specialisation: Managed Services, Network Infrastructure, Unified Communication

Keeper Security

3. Keeper Security

Keeper Security is another agency in Chicago that has been lauded for its excellence in helping secure passwords, ensuring product robustness, and cost-effective solutions. These recognitions affirm its commitment to providing top-tier defence services for companies to effectively shield themselves from threats.

More specifically, Keeper Security helps facilitate secure file sharing within teams to eliminate secret sprawl and remote infrastructure access without a VPN. Keeper also offers extensive control over password strength, credential sharing, and dark web exposure, with a focus on supporting internal controls and meeting industry requirements.

  • Headquarters: Chicago, USA
  • Founded: 2011
  • Email Address: N/A
  • Website:
  • Contact: +1 312-829-2680
  • Address: 333 North Green St., Suite 811, Chicago, Illinois 60607, US
  • Specialisation: Password Management, Secure File Storage


4. NowSecure

With over a decade of experience, NowSecure stands out in the digital defence landscape, particularly in mobile app safety. The company has tested millions of applications and has reduced risks by 40%, cut testing and delivery costs by 30% and sped up release and monetisation by 30%.

Key services include the NowSecure Platform, which offers comprehensive risk assessments based on OWASP and ADA MASVS standards, guaranteeing thorough safety checks. Additionally, NowSecure Academy provides self-service AppSec training for developers and security teams to enhance their skills.

  • Headquarters: Chicago, USA
  • Founded: 2009
  • Email Address:
  • Website:
  • Contact: +1 312-878-1100
  • Address: 141 West Jackson Boulevard, Suite 2100, Chicago, IL 60604
  • Specialisation: Mobile App Security Testing, Penetration Testing


5. Trustwave

Trustwave has been recognised in several industry reports, including the Gartner Magic Quadrant and the IDC MarketScape Worldwide Managed Security Services. These awards underscore the agency's commitment to providing quality digital defence solutions.

Trustwave's consulting and professional solutions offer access to a global team of experienced specialists. In addition to this, the firm also focuses on database security, exceeding compliance and safeguarding data, while continually evolving through threat hunting and digital forensics incident response to stay ahead of sophisticated attackers and cybercriminals.

  • Headquarters: Chicago, USA
  • Founded: 1995
  • Email Address: N/A
  • Website:
  • Contact: +1 866-659-9097
  • Address: 70 W. Madison St., Suite 600, Chicago IL 60602
  • Specialisation: Information Security, Computer Forensics, Penetration Testing, SIEM, DFIR, Database Security

Quantum Vigilance

6. Quantum Vigilance

Quantum Vigilance services begin with a risk assessment and gap evaluation report (The RAnGER™), which is a step to understanding a company's cyber footprint and shaping an effective strategy.

Other than this, the agency emphasises clear, concise communication, ensuring that its plans are understandable and actionable for everyone, including its clients. The team at Quantum Vigilance recognises that online safety is a critical aspect of modern business and offers specific solutions to meet each organisation's distinct needs.

  • Headquarters: Chicago, USA
  • Founded: 2022
  • Email Address:
  • Website:
  • Contact: N/A
  • Address: 111 N Wabash Avenue #1193, Chicago, IL 60602
  • Specialisation: IT Consulting


7. Coro

Recognised as one of the 38th fastest-growing companies in North America in the 2023 Deloitte Technology Fast 500™, Coro offers a comprehensive suite of services, including endpoint detection and response (EDR), next-generation antivirus (NGAV), and data governance.

Coro's approach is designed to eliminate the need to use multiple tools and interfaces, providing a unified, user-friendly dashboard for all cyber security needs. This integration enhances the overall safety posture of businesses, making it a reliable choice for safeguarding critical digital assets.

  • Headquarters: Chicago, USA
  • Founded: 2014
  • Email Address:
  • Website:
  • Contact: +1 866-849-1561
  • Address: 550 West Van Buren, Suite 1300, Chicago, IL 60607
  • Specialisation: SaaS Security, Data Breach Protection

West Monroe

8. West Monroe

West Monroe's approach transcends traditional risk measurement and data protection, focusing on enhancing a company's resilience to cyber incidents. Collaborating closely with business units and IT professionals, the team helps develop bespoke online defence strategies and compliance solutions.

More specifically, its services include identifying and rectifying security gaps in existing web-based infrastructure and implementing online protection mesh strategies to safeguard every digital component of a business. West Monroe also excels in threat hunting, proactively identifying potential threats based on a company's tech stack and processes.

  • Headquarters: Chicago, USA
  • Founded: 2002
  • Email Address: N/A
  • Website:
  • Contact: +1 312-602-4000
  • Address: 311 W Monroe St, Chicago, Illinois 60606, US
  • Specialisation: High-Tech Software, Business Advisory, Automation, Productivity, Operations, Marketing, Sales Service, Digital Technology, Cloud Advisory

Framework IT

9. Framework IT

Framework IT managed services encompass three pillars: support, strategy, and security. It offers rapid response times, cost savings, assistance with compliance, and proactive consulting, making sure that technology aligns with business goals.

Aside from that, its cyber protection services include antivirus solutions, off-site and on-site backups, email protection, awareness training, and endpoint encryption. Framework IT's commitment to data-driven best practices and its flexible pricing model, based on company size and technology usage, make it a notable choice for businesses seeking comprehensive IT protection solutions in Chicago.

  • Headquarters: Chicago, USA
  • Founded: 2008
  • Email Address:
  • Website:
  • Contact: +1 312-265-8733
  • Address: 700 N Sacramento Blvd., Chicago, IL, 60612
  • Specialisation: Concierge Managed IT Services

Network Perception

10. Network Perception

Network Perception specializes in protecting mission-critical assets, offering advanced operational technology (OT) network visibility software, which is highly regarded by the U.S. government for sensitive infrastructure organisations. To this end, their NP-View platform is purpose-built for OT networks, providing a lightweight, non-invasive way to visualize networks and identify vulnerabilities.

They also focus on change validation, policy review, cyber hygiene, NERC CIP compliance, and ISA/IEC 62443 audit, ensuring adherence to vital networking standards. Moreover, Network Perception provides automated reports for audits and risk-based assessments in compliance with NERC standards.

  • Headquarters: Chicago, USA
  • Founded: 2014
  • Email Address:
  • Website:
  • Contact: +1 872-245-4100
  • Address: 20 N Wacker Dr, Chicago, Illinois 60606, US
  • Specialisation: OT Security

Benefits of Robust Cyber Security

Robust online protection measures are indispensable in safeguarding businesses and individuals in the digital realm. Here are some key benefits:

  • Safeguard Against Threats: Implementing strong safety measures is crucial for defending against a myriad of web-based threats, such as malware, ransomware, and phishing attacks. These hazards, if not adequately guarded against, can lead to significant data breaches, resulting in considerable financial and reputational damage. Hence, by maintaining robust cyber security, organisations can effectively shield their sensitive data and systems from malicious online activities.
  • Enhanced Customer Confidence: In an era where information breaches are increasingly common, customers place great value on the safety of their personal and financial details. Businesses that demonstrate a commitment to stringent safety practices can significantly boost customer trust and confidence. This heightened trust not only fosters loyalty but also attracts new clients who prioritise security in their transactions.
  • Compliance With Regulatory Standards: Various industries are subject to stringent data protection laws and regulations. Robust protection measures for digital assets ensure that businesses remain compliant with these requirements, thereby avoiding potential legal repercussions and hefty fines. This compliance is not just a legal necessity but also an ethical obligation to protect customer data.
  • Minimised Operational Downtime: Cyber attacks can disrupt a firm's operational capabilities, leading to costly downtimes. Effective defence protocols can drastically reduce the likelihood of such disruptions, ensuring that company operations continue smoothly and efficiently. This continuity is essential for maintaining productivity and safeguarding revenue streams.
  • Protection of Intellectual Property: For many businesses, intellectual property is a cornerstone of their competitive advantage. Digital protection measures play a pivotal role in securing this intellectual property from unauthorised access and theft. Simply, safeguarding these assets is essential for preserving a business's unique value proposition and maintaining its market position.
  • Prevent Identity Theft: Strong online protection effectively shields against identity theft, a rising concern in the modern age. Safeguarding personal data thwarts cybercriminals' attempts to access and misuse sensitive information, thus protecting individuals' identities and preventing the severe financial and personal repercussions associated with identity theft.

These benefits show that cyber security is a strategic imperative that underpins the operational integrity, customer trust, legal compliance, and competitive edge of a business in today's digitally-driven world.


The top cyber security companies in Chicago not only provide essential protection against a range of web-based threats but can also contribute significantly to your company's overall digital resilience. Hence, partnering with a skilled and reliable provider is not just an option but a necessity.

This article has made it a lot easier to select the best based on the kind of services you need and your industry. Importantly, if you're uncertain about the appropriate online safety plan, experts at Microminder can help analyse your business and industry and craft a solution that meets your needs. Reach out to us today for a comprehensive cyber security package. 

Don’t Let Cyber Attacks Ruin Your Business

  • Certified Security Experts: Our CREST and ISO27001 accredited experts have a proven track record of implementing modern security solutions
  • 40 years of experience: We have served 2500+ customers across 20 countries to secure 7M+ users
  • One Stop Security Shop: You name the service, we’ve got it — a comprehensive suite of security solutions designed to keep your organization safe

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