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Best Cyber Security Companies to Work for in Chicago, IL (52)

PwC
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
74 Offices
370,000 Employees
67 Benefits See Our Teams Hiring Now
Grow here. Go further.

Build what’s next — with tech that matters PwC provides professional services across Audit and Assurance, Advisory and Tax — powered by a global network of over 370,000 people in 149 countries. You may know us for our business expertise, but technology is core to how we help clients move faster, build trust and deliver meaningful outcomes. As a technologist, you’ll work...

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PwC

PwC's Top Overall Employer Reputation Strengths

Market Position & Stability: Market standing is reinforced by a globally recognized Big Four brand that strengthens credibility and creates strong exit opportunities. Global scale and an extensive alumni network further amplify perceived employer reputation.

Learning & Development: Learning is positioned as a core strength through structured training, credential support (e.g., CPA/CFA/cloud/cyber), and strong on-the-job exposure across industries. Early responsibility and frequent feedback/coaching are portrayed as accelerating capability-building and professional maturity.

Belonging & Inclusion: Belonging is supported by a generally collegial, team-first culture with active ERGs, mentorship, and an emphasis on inclusion, ethics, and integrity. Values such as collaboration, caring for others, and building trust are highlighted as central to the firm’s culture.

Caterpillar
Artificial Intelligence • Cloud • Internet of Things • Software • Cybersecurity • Industrial
Cat Digital uses digital technologies to help Caterpillar Inc. customers build a better, more sustainable world.

Cat Digital is the digital and technology arm of Caterpillar Inc., responsible for bringing digital capabilities to our world-famous yellow iron. With over 1.5M connected assets worldwide, our teams use data, technology, advanced analytics and AI capabilities to help our customers build a better world.

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Caterpillar

Caterpillar's Top Overall Employer Reputation Strengths

Market Position & Stability: Caterpillar is portrayed as a long-established, financially durable industrial brand with large, complex programs that can feel secure and add résumé value. The global scale and footprint are positioned as a stabilizing force and a source of pride tied to recognizable products.

Learning & Development: Training is described as robust, with strong onboarding, technical training, and a continuous-improvement culture that helps newer employees ramp quickly. Disciplined engineering and manufacturing practices (e.g., validation, reviews, FMEAs, endurance testing, Lean/Six Sigma) are framed as valuable skill-builders.

Benefits & Perks: Benefits are characterized as solid and generally competitive for industrial roles, with mentions of strong healthcare, retirement matching, tuition reimbursement, and paid time off. Field and hourly contexts are described as sometimes benefiting from overtime or premium pay, and relocation support can be available for key moves.

Mastercard
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
We are a global technology company in the payments industry.

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

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Mastercard

Mastercard's Top Overall Employer Reputation Strengths

Mission & Purpose: Employees commonly describe a clear purpose around secure, inclusive digital payments and financial inclusion, with work that has massive global reach. The mission-driven framing and community/volunteer emphasis can make the company’s impact feel tangible.

Market Position & Stability: The company is portrayed as mature, profitable, and brand-strong, with a predictable business model that reduces “surprise” volatility compared to high-burn environments. This stability is reinforced by ongoing investment areas like digital payments, cybersecurity, open banking, and data services.

Benefits & Perks: Benefits are presented as a standout, including competitive compensation with bonuses, a strong retirement contribution, generous time off, and meaningful family-planning support. Hybrid flexibility and a limited-duration “work from elsewhere” option add to the overall attractiveness for many roles.

Boeing
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
31 Offices
170,000 Employees
27 Benefits
Explore New Horizons

A leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Our U.S. and global workforce and supplier base drive innovation, economic opportunity, sustainability and community impact. Boeing is committed to fostering a culture based on our core values of safety, quality and...

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Boeing

Boeing's Top Overall Employer Reputation Strengths

Mission & Purpose: Mission-driven work is framed as nationally strategic and globally visible, with a strong sense of pride tied to building aircraft and space/defense systems. The “my work flies” impact and high-consequence nature of the products are described as motivating and meaningful.

Benefits & Perks: Benefits are repeatedly characterized as robust, including strong retirement matching, comprehensive healthcare coverage, paid leave, and tuition assistance. Predictable pay bands and, in some roles, union-represented structures are described as adding clarity and stability to the overall package.

Career Growth: Career mobility is emphasized through multiple business units and many sites that enable rotations, discipline changes, and technical or managerial tracks. The presence of structured ladders (including selective technical fellow pathways) is described as providing real, if sometimes timing-dependent, progression options.

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
40 Offices
8,500 Employees
55 Benefits Hiring Now
CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world.

CSC is a global leader in providing business, legal, tax, and digital brand services to companies around the world. With more than 8,000 employees, CSC operates in more than 140 jurisdictions, delivering solutions that help businesses thrive. We pride ourselves on our client-focused approach, market-leading expertise, and unmatched global reach.

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CSC

CSC's Top Overall Employer Reputation Strengths

Market Position & Stability: Steady demand comes from mission-critical registered agent and compliance services in a regulated niche, supported by a long-established, privately held operating model. Work is positioned as directly preventing missed filings and penalties for business and legal clients.

Team Support: Colleagues are described as collaborative, detail-minded, and oriented around professional, courteous service delivery. Teamwork is emphasized in operations, especially when groups rally to cover peak filing periods.

Learning & Development: Onboarding is described as solid for compliance-heavy tasks, with structured learning in corporate filings, UCC, service of process, and governance tools. Technical roles also gain exposure to niche enterprise SaaS built for legal and compliance users.

UncommonX
Artificial Intelligence • Information Technology • Software • Analytics • Cybersecurity • Generative AI
Chicago, Illinois, USA
40 Employees
30 Benefits Hiring Now
Cybersecurity is reactive, complex, and costly. We're out to change that.

Recognized by Crain’s as one of 2025’s Most Innovative Companies, UncommonX helps customers move from reactive defense to proactive resilience, with the context, prioritization, and insights needed to reduce risk and respond with precision. We believe cybersecurity should deliver more than alerts — it should deliver clarity, confidence, and control. That’s why we built an AI-powered Exposure Management platform that gives...

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UncommonX

UncommonX's Top Overall Employer Reputation Strengths

Benefits & Perks: Benefits are presented as broad and competitive, including 401(k), equity, performance bonuses, commuter benefits, health-related coverage, and office perks like an onsite gym. Time-off and flexibility are also emphasized through generous PTO, paid holidays, paid sick days, and role-dependent hybrid work.

Values & Integrity: The company consistently emphasizes values such as leadership, integrity, customer centricity, teamwork, persistence, curiosity, and accountability. These stated values are positioned as central to how the workplace operates and how employees are expected to work with customers and each other.

Learning & Development: Professional growth is positioned as a priority through job training, conferences, paid industry certifications, and a promotion-from-within orientation. This framing suggests an environment designed to help employees expand skills while contributing to a fast-evolving cybersecurity product and services stack.

Huntress
Information Technology • Cybersecurity
Huntress is people-powered cybersecurity for all businesses, not just the 1%.

Founded in 2015 by former NSA cyber operators, Huntress protects all businesses—not just the 1%—with enterprise-grade, fully owned and managed cybersecurity products at the price of an affordable SaaS application. The Huntress difference is our One Team advantage: our technology is designed with our industry-defining Security Operations Center (SOC) in mind and is never separated from our service. We protect...

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Huntress

Huntress's Top Overall Employer Reputation Strengths

Mission & Purpose: Mission-driven work is framed around protecting small and midsize businesses with a customer-first, incident-response mindset, which can make the day-to-day feel meaningful. The 24/7 human-led SOC and emphasis on being early to disclose/respond on major hacks reinforces that sense of tangible impact.

Benefits & Perks: Benefits are described as unusually tangible for a remote-first company, including medical/dental/vision, paid parental leave, monthly internet/phone reimbursements, a new-hire home office stipend, and stock options for all full-time teammates. A 5% 401(k) contribution even without employee contribution and coaching/education support further strengthens the total rewards narrative.

Recognition: External recognition is highlighted through placement on Built In’s 2025 Best Remote Places to Work lists and Inc.’s Best Workplaces (2024 and 2025). These accolades support a broader perception of a strong remote-workplace experience and people practices.

TransUnion
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics

TransUnion is a global information and insights company that makes trust possible by ensuring that each consumer is reliably and safely represented in the marketplace. We do this by having an accurate and comprehensive picture of each person. This picture is grounded in our legacy as a credit reporting agency which enables us to tap into both credit and public record...

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TransUnion

TransUnion's Top Overall Employer Reputation Strengths

Mission & Purpose: Mission-driven work is tied to consumer access to credit, fraud prevention, and financial inclusion, creating a clear sense of societal impact. Strong emphasis on data stewardship, privacy, and security reinforces responsibility when handling sensitive information.

Benefits & Perks: Benefits are positioned as strong and broad for a large enterprise, including wellness support and tuition/learning assistance. Hybrid/remote options are available on many teams, supporting flexibility when role and location allow.

Career Growth: Internal mobility is described as common, with opportunities to move across product lines and functions such as analytics, client success, and go-to-market. Cross-functional collaboration across engineering, data science, product, sales, legal, and compliance can broaden skill sets and exposure.

Capco
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
24 Offices
6,000 Employees
37 Benefits Hiring Now
Be Yourself at Work, Make a Difference, and Act with Integrity are our values at Capco.

Capco, a Wipro company, is a global management and technology consultancy specializing in driving transformation in the energy and financial services industries. Capco operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Capco’s cutting...

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Capco

Capco's Top Overall Employer Reputation Strengths

Autonomy: Autonomy is enabled by lean teams and specialization, with junior and mid-level consultants owning workstreams, client meetings, and PMO leadership early. Offices and accounts can feel boutique while still providing access to global colleagues, playbooks, and scalable delivery support.

Learning & Development: Learning is driven by a learning-by-doing culture with strong exposure to financial regulations, core banking/insurance processes, and delivery mechanics. Certifications (e.g., Scrum, SAFe, cloud, risk) are encouraged and often reimbursed, supporting skill-building alongside execution.

Work-Life Balance: Work-life balance is positioned as comparatively more sustainable than some strategy houses or heavy system-integration tracks. Travel is often manageable and hours can be steadier outside crunch periods, though the consulting cadence remains demanding.

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Motorola Solutions
Artificial Intelligence • Hardware • Information Technology • Security • Software • Cybersecurity • Big Data Analytics
24 Offices
23,000 Employees
48 Benefits Hiring Now
We help people be their best in the moments that matter.

About Motorola Solutions | Solving for safer Safety and security are at the heart of everything we do at Motorola Solutions. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations.

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Motorola Solutions

Motorola Solutions's Top Overall Employer Reputation Strengths

Mission & Purpose: Mission-driven impact is prominent, with many roles supporting first responders, 911 centers, and critical infrastructure in life-safety scenarios. There’s a strong sense of purpose tied to protecting people, property, and places.

Market Position & Stability: Stability and scale stand out, supported by deep government and Fortune 500 customer ties and long product lifecycles. The environment is characterized as steadier and more structured than hyper-growth startups.

Benefits & Perks: Benefits and total rewards are described as generally competitive, including solid healthcare, retirement matching, and bonus structures aligned to long sales cycles. Flexible working models and positive work-life balance themes also appear alongside these offerings.

Corterra Solutions
Information Technology • Logistics • Professional Services • Cybersecurity • App development • Defense • Manufacturing
Lisle, Illinois, USA
45 Employees
26 Benefits
Corterra Solutions is a Microsoft Partner providing strategy, infrastructure, cloud, and business application services.

Corterra Solutions designs, develops, and manages enterprise solutions and transformative business applications so you can focus on meaningful work that drives success. In other words, we give you the freedom and clarity of knowing that your technology works the way it should.

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Corterra Solutions
Empirical Security
Cybersecurity
Chicago, Illinois, USA
10 Employees
Hiring Now

Empirical builds mathematical models for security data. We maintain the world’s most advanced global models for cybersecurity, and we build local models that respond to your enterprise’s specific context and threat landscape.

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Empirical Security
Cyera
Software • Cybersecurity
10 Offices
1,200 Employees
Hiring Now
Cyera is the world’s leading AI-native data security platform.

Our platform gives organizations a complete view of where their data lives, how it’s used, and how to keep it safe, so they can reduce risk and unlock the full value of their data, wherever it is. Backed by more than $1.7 billion in funding from top-tier investors including Accel, Blackstone, Coatue, Cyberstarts, Georgian, Lightspeed, and Sequoia, Cyera’s unified data...

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Cyera

Cyera's Top Overall Employer Reputation Strengths

Market Position & Stability: Market momentum is positioned as strong, with substantial funding, brand heat, and expansion in a security segment described as having rising enterprise budgets. This can translate into resourcing, career optionality, and broader internal opportunity as the company scales.

Innovation & Products: The work is centered on AI-native data security (DSPM expanding into DLP and AI-data protections) in an area portrayed as timely and enterprise-relevant. That creates potential for meaningful customer impact and fast iteration on a broad platform surface area.

Compensation: Pay and equity are portrayed as competitive, with upside especially emphasized for go-to-market and senior roles. The overall picture suggests strong economic rewards when execution and role fit align.

NowSecure
Information Technology • Mobile • Security • Software • Cybersecurity
2 Offices
170 Employees
26 Benefits
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
Halborn
Blockchain • Cybersecurity
DeKalb, Illinois, USA
83 Employees

Halborn is an award-winning, elite cybersecurity company for blockchain organizations. Halborn serves as your reputable partner to continuously assess an organization’s most vital assets, save time in your development lifecycle and provide world-class cybersecurity consulting and assessments every step of the way — far beyond smart contracts.

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Halborn
Rhodian Group
Cloud • Information Technology • Cybersecurity
Rosemont, Illinois, USA
49 Employees
Hiring Now
Rhodian removes the complexity between businesses and people through Technology, Cybersecurity, and Compliance.

Rhodian Group helps businesses build and manage their network environments with predictably priced managed IT services so they can focus on their core strengths and growth initiatives. They also help businesses identify and reduce cybersecurity and non-compliance risks. Their combination of IT, cybersecurity, and compliance services helps businesses operate safely, while complying with industry mandates and regulatory requirements.

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Rhodian Group
Verity IT
Cloud • Information Technology • Cybersecurity
4 Offices
40 Employees
22 Benefits
Verity IT provides Managed IT services, cybersecurity services, and cloud solutions to businesses.

We are Verity IT, your trusted partner in managed IT services, cybersecurity, and cloud solutions. Our mission is to empower businesses with seamless, secure technology solutions that drive productivity and resilience. 🚀 Mission: To deliver reliable, secure IT services that enable businesses to thrive and adapt in an ever-evolving digital landscape. 🌟 Vision: To be the preferred IT partner for businesses, providing...

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Verity IT
PCS International
Cybersecurity
Inverness, Illinois, USA
36 Employees

Reclaim your time and focus on your business by leaving the IT solutions to us. PCS International is a comprehensive solution provider satisfying the Information Technology hardware, software, and professional service requirements for small & medium businesses. We are committed to offering cutting-edge technologies with outstanding customer support at a great value.

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PCS International
WEBIT Services, Inc.
Artificial Intelligence • Cloud • Information Technology • Business Intelligence • Cybersecurity
Naperville, Illinois, USA
43 Employees
Hiring Now
Empowering Purpose-Driven Organizations Through Technology Support, Service & Strategic Guidance.

You rely on technology every day, but is it really working for you? Maybe it feels like IT is just one more thing holding your business back. You’ve dealt with recurring issues, sluggish support, missed opportunities, and rising security risks. You’ve invested time and money, but it’s not translating into real progress—or a competitive advantage. You want more than a vendor. You want a...

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WEBIT Services, Inc.
Mental Health Technologies (MHT)
Artificial Intelligence • Cloud • Cybersecurity
Aurora, Illinois, USA
20 Employees
Automating Behavioral Health Screening and Referrals to Improve Clinical Care and Revenue.

MHT’s SmarTest® AI integrates with your EMR, eliminating administrative burden. The screening process is customizable based upon your specialty, clinical and financial goals. By strategically enabling add-on CPT codes and enhancing ancillary service offerings, MHT can unlock new revenue streams and boost overall clinic profitability. We offer Risk-Free Proof of Concept Trials to qualified healthcare providers. Contact us to learn...

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Mental Health Technologies (MHT)

Mental Health Technologies (MHT)'s Top Overall Employer Reputation Strengths

Mission & Purpose: The mission to improve patient wellness through technology is emphasized, and work is portrayed as meaningful for those passionate about mental health and innovation.

Innovation & Products: The SmarTest AI platform is portrayed as effective and practical, with EHR integrations and automation that streamline screening and referrals for clinics.

Team Support: Staff are described as generally supportive and collaborative, creating a helpful environment for delivering solutions to providers.

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