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Best Cyber Security Companies to Work for in Chicago, IL (53)

Boeing
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
33 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
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 Workplace Perception Strengths

Learning & Development: Structured training, mentorship, and tech-forward upskilling (including AI, data, and certification support) are consistently emphasized. Employees gain rapid, marketable skills through diverse client work and formal programs.

Career Growth: Clear promotion frameworks and internal mobility across service lines create visible advancement paths. Alumni movement and strong exit options reflect attractive long-term career trajectories.

Market Position & Stability: A highly recognized brand with frequent employer accolades signals strong reputation and access to marquee clients. This visibility enhances resume value and leadership development opportunities.

CSC
Fintech • Legal Tech • Software • Financial Services • Cybersecurity • Data Privacy
41 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
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 Workplace Perception Strengths

Benefits & Perks: Benefits include a minimum 16 weeks paid new‑parent leave, a four‑week “work from elsewhere” program, and five paid volunteer days, signaling an employee‑friendly package.

Innovation & Products: Work spans a leading global payments network with AI‑enabled commerce and fraud‑intelligence initiatives, including agentic‑commerce efforts with major tech partners.

Learning & Development: Employees can access structured development via the Leadership Academy, the Unlocked internal marketplace, technical guilds, AI Garage, hackathons, and other programs that support mobility and upskilling.

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
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
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
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
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
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UncommonX
Artificial Intelligence • Information Technology • Software • Analytics • Cybersecurity • Generative AI
Chicago
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
Head of Security
Security • Software • Cybersecurity • Defense
Chicago
5 Employees
Head of Security LLC is a premier security risk management consulting firm

Head of Security LLC is a premier security risk management consulting firm dedicated to safeguarding your assets, operations, personnel, and reputation. Specializing in physical, operational, personal, and business security management, our team of highly skilled Security Management Consultants provides tailored, actionable solutions. Through in-depth threat risk assessments, strategic recommendations, and comprehensive implementation, we equip businesses, organizations, properties, and communities with robust...

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Head of Security
Northern Trust
Artificial Intelligence • Cloud • Fintech • Information Technology • Analytics • Financial Services • Cybersecurity
15 Offices
24,000 Employees
60 Benefits See Our Teams
Dynamic careers. Brighter futures. Achieve greater.

As a global leader in innovative wealth management, asset servicing and investment solutions, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families and institutions by remaining true to our enduring principles of service, expertise and integrity. A globally recognized Fortune 500 Company in continuous operation since 1889, we’ve built a legacy of empowering clients to reach...

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Northern Trust

Northern Trust's Top Workplace Perception Strengths

Benefits & Perks: Benefits are described as comprehensive, including healthcare coverage, retirement support through 401(k) matching and a funded pension, and tuition reimbursement. Paid volunteer time and other perks like commuter benefits and pet insurance reinforce an employer brand associated with strong total rewards.

Values & Integrity: The employer identity is closely tied to “Service, Expertise, and Integrity,” with employees referred to as “partners,” supporting a reputation of professionalism and ethical orientation. A structured, risk-aware, client-service mindset reinforces consistency and trustworthiness as defining attributes.

Belonging & Inclusion: Inclusion is positioned as a strategic priority with formal initiatives such as Business Resource Councils and leadership accountability. External recognition and stated global programs for underrepresented groups strengthen the perception of an inclusive workplace.

PCS International
Cybersecurity
Inverness
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
Prove
Fintech • Mobile • Security • Software • Cybersecurity
6 Offices
320 Employees
47 Benefits Hiring Now
Prove is the leader in mobile & digital identity authentication for the connected world.

As the world moves to a mobile-first economy, businesses need to modernize how they acquire, engage with and enable consumers. Prove’s phone-centric identity tokenization and passive cryptographic authentication solutions reduce friction, enhance security and privacy across all digital channels, and accelerate revenues while reducing operating expenses and fraud losses. Over 1,000 enterprise customers use Prove’s platform to process 20 billion...

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Prove

Prove's Top Workplace Perception Strengths

Market Position & Stability: Market traction is indicated by significant funding, a high valuation milestone, and continued product launches that suggest ongoing demand. A sizable enterprise customer footprint and visible industry presence contribute to perceived credibility and scale.

Innovation & Products: New platform and product releases are highlighted as ongoing, implying an active roadmap and opportunities to work on evolving identity and authentication offerings. The problem space is positioned as mission-critical across regulated industries, which can increase the sense of impact.

Benefits & Perks: A broad benefits package is described, including equity eligibility, retirement match, medical coverage, wellness support, and generous time-off practices. Office perks and flexible/hybrid options are also presented as part of the overall employee value proposition.

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
Micro-Tech U.S.A.
Cloud • Information Technology • Cybersecurity • Automation
2 Offices
32 Employees
16 Benefits
Micro-Tech U.S.A. empowers businesses to thrive through secure, smart, and fully managed IT solutions—with people-first.

At Micro-Tech USA (MTUSA), we believe IT should feel like a partnership—not a headache. We help small and mid-sized businesses stay secure, productive, and ahead of the curve with managed IT services, cybersecurity, cloud solutions, and strategic tech consulting. Our clients count on us for everything from 24/7 support and network management to Microsoft 365, cloud migrations, and big-picture planning. Whether...

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Micro-Tech U.S.A.
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 Workplace Perception 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.

LeadingIT
Cloud • Hardware • Information Technology • Software • Database • Cybersecurity • Data Privacy
4 Offices
38 Employees
32 Benefits
Chicago's Most Trusted Managed IT Services Partner – Join a Team That Actually Cares Own IT With Us at LeadingIT!

We cybersecure your organization. LeadingIT provides fast+friendly cybersecurity and technology (unlimited) support for nonprofits, manufacturers, schools, accounting firms, religious organizations, government, and law offices with 10-200 employees across the Chicagoland area.

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LeadingIT
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
Convergint Federal Solutions
Schaumburg
4,621 Employees
Hiring Now

Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence. At Convergint, our top priority is service in every way — service to customers, colleagues, and community. As an integrator, Convergint works alongside a global network of partners and manufacturers to design, install, and service electronic security, cybersecurity, fire and life safety, building automation,...

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Convergint Federal Solutions

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