Driven by record cybercrime losses of $10.5 trillion annually, cybersecurity has become one of the fastest-growing sectors in enterprise technology.

Total global cybersecurity revenue is projected to reach approximately $212.16 billion in 2026 (up from only $83.3 billion in 2016). As a whole, the industry is expected to grow at a projected CAGR of 13.8% through 2034.

With that in mind, here are the 20 top cybersecurity companies in 2026, ranked by market capitalization (if publicly traded) or private valuation.

1. Palo Alto Networks (PANW)

Founded: 2005

Headquarters: Santa Clara, California

CEO: Nikesh Arora

Market Cap: $319.0 billion

Revenue: $11.48 billion (FY2026)

Number of Employees: 21,921

Number of Open Jobs: 1,390

What They Do: Palo Alto Networks is a unified platform that combines network security, cloud security, and security operations. The company’s flagship offerings include the Prisma Cloud platform for cloud and SaaS protection, as well as Cortex XDR for AI-driven threat detection and response.

In FY 2026, the company reported $9.10 billion in next-gen security ARR (up 63% YoY) and a $21.2 billion RPO backlog. Palo Alto also launched Prisma Browser, which surpassed 6 million enterprise seats in September 2025. The cybersecurity giant also agreed to acquire CyberArk for $25 billion in July 2025 and completed the deal in February 2026, expanding its presence in identity security and privileged-access management. 

2. CrowdStrike (CRWD)

Founded: 2011

Headquarters: Austin, Texas

CEO: George Kurtz

Market Cap: $265.9 billion

Revenue: $4.81 billion (FY2026)

Number of Employees: 10,698

Number of Open Jobs: 541

What They Do: CrowdStrike provides cloud-native endpoint and threat intelligence solutions for enterprises and governments. The company’s Falcon platform uses AI to analyze trillions of security events daily from customer endpoints and workloads worldwide to detect and prevent data breaches in real time. 

Today, the company is trusted by more than 88,000 organizations across 230 countries and territories, including more than 50% of the Fortune 1000 companies. As of July 31, 2026, CrowdStrike reported $5.84B in annual recurring revenue (up 25% YoY) while continuing to expand its identity and cloud protection capabilities.

3. Fortinet (FTNT)

Founded: 2000

Headquarters: Sunnyvale, California

CEO: Ken Xie

Market Cap: $131.1 billion

Revenue: $6.80 billion (FY2025)

Number of Employees: 15,109

Number of Open Jobs: 940

What they do: Fortinet is a global leader in network and cloud security, best known for its FortiGate next-generation firewalls and integrated Security Fabric platform. The company currently serves more than 1 million customers worldwide, offering integrated products across secure networking, Zero Trust access, and security operations.

Fortinet’s 2026 Global Cybersecurity Skills Gap Report revealed that 86% of organizations experienced at least one breach in the past 12 months, while nearly one-third (29%) faced five or more. The growing number of attacks is mirrored by Fortinet’s financial growth, as the company recorded 26% revenue growth and 33% growth in billings in Q2 2026. These stats suggest a severe shortage of qualified professionals entering the workforce through pathways like online cybersecurity bachelor’s programs.

The company has also been recognized in 11 Gartner® Magic Quadrant™ reports, holds 1,448 global patents, and expanded FortiCloud with new integrated services like FortiIdentity and FortiDrive.

4. Cloudflare (NET)

Founded: 2009

Headquarters: San Francisco, California

CEO: Matthew Prince

Market Cap: $127.8 billion

Revenue: $2.17 billion (FY2025)

Number of Employees: 5,156

Number of Open Jobs: 307

What They Do: Cloudflare operates one of the world’s largest edge networks, providing content delivery, DDoS protection, and Zero Trust security services. The company’s network spans 335 cities across 125+ countries, processing 115 million HTTP requests per second on average.

Cloudflare’s platform secures and accelerates millions of internet properties through tools like Cloudflare One (Zero Trust and SASE), Magic WAN (network security), and Workers (edge computing). In 2026, more than 48 million websites use Cloudflare, and the company serves 332,000 paying customers, including 4,698 large customers spending over $100,000 annually.

5. Okta (OKTA)

Founded: 2009

Headquarters: San Francisco, California

CEO: Todd McKinnon

Market Cap: $36.1 billion

Revenue: $2.92 billion (FY2026)

Number of Employees: 6,572

Number of Open Jobs: 250

What they do: Okta is an identity and access management (IAM) company that offers single sign-on (SSO), multi-factor authentication (MFA), lifecycle management, and API security for both workforce and customer identities. The company’s two primary solutions include the Workforce Identity Cloud and Customer Identity Cloud (Auth0), which help organizations securely connect employees, partners, and users to applications and data.

Okta currently supports more than 20,000 organizations worldwide (two-thirds of the Fortune 100), including major enterprises such as T-Mobile, JetBlue, Slack, and Nasdaq. In September 2025, Okta acquired Axiom Security to add cloud-based privileged access controls for IT systems and databases. In August 2026, Okta also completed its acquisition of Permiso Security, adding identity threat detection for human, non-human, and AI-agent identities.

6. Zscaler (ZS)

Founded: 2007

Headquarters: San Jose, California

CEO: Jay Chaudhry

Market Cap: $35.0 billion

Revenue: $3.35 billion (FY2026)

Number of Employees: 8,700

Number of Open Jobs: 376

What they do: Zscaler provides cloud-native network security through its Zero Trust Exchange™, a platform that connects users, applications, and devices securely without relying on traditional firewalls or VPNs. The platform acts as an inline security layer between every user and destination, inspecting traffic in real time to stop threats and prevent data loss.

The company processes over 500 trillion daily signals and blocks roughly nine billion threats daily across 200+ global data centers. In 2026, over 40% of Global 2000 companies use Zscaler, including Microsoft, AWS, and SAP. 

Zscaler’s annual recurring revenue also grew 25% from $3.015 billion to $3.771 billion in FY 2026, primarily driven by the adoption of ZIA (Zscaler Internet Access) and ZPA (Zscaler Private Access) for secure remote and internal access.

7. F5 Inc. (FFIV)

Founded: 1996

Headquarters: Seattle, Washington

CEO: François Locoh-Donou

Market Cap: $25.28 billion

Revenue: $3.09 billion (FY2025)

Number of Employees: 6,578

Number of Open Jobs: 321

What they do: F5 is a multi-cloud application security and delivery company that offers tools for web application firewalls (WAFs), DDoS protection, load balancing, API security, and bot defense. Its software and hardware systems help organizations secure and optimize the flow of application traffic across data centers and public clouds.

F5’s technology is used by over 80% of Fortune Global 500 companies to protect business-critical applications and APIs. F5 supports more than 23,000 customers in 170+ countries, and its technology blocked over 20 billion malicious attacks in 2024. 

8. Rubrik (RBRK)

Founded: 2014

Headquarters: Palo Alto, California

CEO: Bipul Sinha

Market Cap: $23.6 billion

Revenue: $1.32 billion (FY2026)

Number of Employees: 3,797

Number of Open Jobs: 136

What they do: Rubrik is a cyber resilience and data security company that provides software for backup, recovery, ransomware detection, and data governance. Its Security Cloud platform secures enterprise data across hybrid and multi-cloud environments with zero-trust protection and tamper-proof backups.

As of July 31, 2026, Rubrik has 3,084 customers with subscription ARR over $100,000 (23% increase year-over-year) and $1.66 billion in total subscription ARR (up 33%). Additionally, Rubrik announced in June 2025 that it would acquire Predibase for over $100 million, enabling customers to build AI agents. In June 2026, the company also acquired identity orchestration provider Strata.io.

9. Akamai (AKAM)

Founded: 1998

Headquarters: Cambridge, Massachusetts

CEO: Tom Leighton

Market Cap: $16.7 billion

Revenue: $4.21 billion (FY2025)

Number of Employees: 11,540

Number of Open Jobs: 189

What they do: Akamai is a cloud and security platform company that provides application delivery, web performance, and cybersecurity services to protect websites, APIs, and online applications. The company’s security offerings include App & API Protector, Prolexic DDoS mitigation, Zero Trust access, bot defenses, and edge DNS.

Today, Akamai generates $4.21 billion in annual revenue, employs over 11,500 people, and operates across more than 700 cities worldwide. In July 2026, Akamai completed its $205 million acquisition of enterprise browser security provider LayerX, and in September 2026 it signed an $11.6 billion, seven-year cloud infrastructure agreement with Anthropic.

10. Leidos (LDOS)

Founded: 1969

Headquarters: Reston, Virginia

CEO: Thomas Bell

Market Cap: $15.48 billion

Revenue: $17.17 billion (FY2025)

Number of Employees: 50,000

Number of Open Jobs: 3,045

What they do: Leidos builds and implements cyber defense, cryptographic, and mission systems for government, national security, and infrastructure customers. The company’s cybersecurity division provides threat detection, secure networking, identity & access management, and data protection to defend federal networks and classified systems.

In August 2026, Leidos won a $301 million, five-year U.S. Army contract for 24/7 cyber operations and threat detection across the Department of War Information Network. The company also acquired Kudu Dynamics in May 2025 for $300 million to scale its offensive/defensive AI and cyberwarfare capabilities.

11. Check Point Software Technologies (CHKP)

Founded: 1993

Headquarters: Tel Aviv, Israel

CEO: Nadav Zafrir

Market Cap: $13.92 billion

Revenue: $2.73 billion (FY2025)

Number of Employees: 7,179

Number of Open Jobs: 200

What they do: Check Point offers various integrated cybersecurity solutions, including threat prevention, firewall security, cloud & mobile security, and zero-trust access. All of these offerings are available through the company’s Infinity and Harmony platforms. They are deployed across more than 100,000 organizations worldwide, protecting millions of users and devices.

Check Point’s CloudGuard portfolio (cloud security and posture management) has continued to expand rapidly. In Q2 2026, the company reported $674 million in quarterly revenue (up 1% year-over-year), following 5% growth in Q1 2026.

Additionally, Check Point has made several strategic acquisitions to expand its cybersecurity portfolio, including:

12. Gen Digital (GEN)

Founded: 1982

Headquarters: Tempe, Arizona

CEO: Vincent Pilette

Market Cap: $13.81 billion

Revenue: $5.00 billion (FY2026)

Number of Employees: 3,900

Number of Open Jobs: 110

What they do: Gen Digital is a consumer cybersecurity and digital safety company that develops and distributes software under brands like Norton, Avast, LifeLock, Avira, AVG, and CCleaner. The company’s primary offerings include antivirus and endpoint protection, identity theft protection, privacy tools, and device security.

The company serves nearly 500 million users across over 150 countries. The majority of Gen’s revenue is driven by its Cyber Safety Platform segment, with $3.34 billion attributed to that segment in FY2026.

13. SailPoint (SAIL)

Founded: 2005

Headquarters: Austin, Texas

CEO: Mark McClain

Market Cap: $12.6 billion

Revenue: $1.07 billion (FY2026)

Number of Employees: 3,229

Number of Open Jobs: 146

What they do: SailPoint is an identity security company providing identity governance and access management solutions. They help organizations control who has access to what applications, when, and why. SailPoint’s platform includes Identity Security Cloud (formerly IdentityNow), IdentityIQ, and Atlas.

As of July 31, 2026, SailPoint serves 3,310 customers, and the number of clients spending more than $1 million annually increased 27% year-over-year to 235. Total ARR reached $1.23 billion (up 25%). In June 2026, the company acquired Entro Security to extend its platform to non-human identities.

14. 360 Security Technology

Founded: 2005

Headquarters: Beijing, China

CEO: Zhou Hongyi

Market Cap: $9.3 billion (¥62.6B CNY)

Revenue: $1.21 billion (¥8.69B CNY, FY2025)

Number of Employees: 5,273

What they do: 360 Security Technology (also known as Qihoo 360) is a Chinese cybersecurity company offering a range of internet and mobile security products. This includes antivirus software, security browsers, performance optimization tools, and enterprise security cloud services.

The company serves consumer and enterprise markets. For individuals, it offers products like 360 Security Guard and 360 Mobile Guard. For businesses, it provides the 360 Enterprise Security Cloud, along with full-stack protection, SaaS-based security tools, and managed security operations.

15. Tanium (TANI.PVT)

Founded: 2007

Headquarters: Kirkland, Washington

CEO: Orion Hindawi

Valuation: $9 billion

Revenue: $700 million

Funding: $1.06B (Series F)

Number of Employees: 1,900

Number of Open Jobs: 57

What they do: Tanium is a cybersecurity and endpoint management company that provides security and operations teams with real-time visibility across their entire organization. Their architecture enables queries, patching, configuration changes, and threat detection to occur at scale, often in seconds.

The company serves 2,500 customers (40% of the Fortune 100) and reached $700 million in revenue in 2024. Notable customers include Best Buy, Honeywell, and Barclays.

16. SentinelOne (S)

Founded: 2013

Headquarters: Mountain View, California

CEO: Tomer Weingarten

Market Cap: $8.1 billion

Revenue: $1.00 billion (FY2026)

Number of Employees: 2,900

Number of Open Jobs: 465

What they do: SentinelOne develops the Singularity Platform, an AI-powered enterprise security platform that unifies endpoint protection, cloud workload security, identity threat detection, and security data management. Its autonomous agents detect and respond to attacks at machine speed, with the goal of reducing the manual work required from security operations teams.

The company protects nearly one-fifth of the Fortune 500 and hundreds of Global 2000 enterprises, and was named a Leader in the 2026 Gartner® Magic Quadrant™ for Endpoint Protection Platforms for the sixth consecutive year.

In Q2 FY2027, SentinelOne reported $292 million in quarterly revenue (up 21% year-over-year) and $1.22 billion in ARR (up 22%), with 1,715 customers spending more than $100,000 annually. In 2025, the company expanded into AI security through its acquisitions of Prompt Security and Observo AI.

17. Netskope (NTSK)

Founded: 2012

Headquarters: Santa Clara, California

CEO: Sanjay Beri

Market Cap: $7.6 billion

Revenue: $709.0 million (FY2026)

Number of Employees: 3,281

Number of Open Jobs: 145

What they do: Netskope is a cloud security and networking company that provides Secure Access Service Edge (SASE) and Security Service Edge (SSE) solutions. Organizations rely on Netskope to protect data, users, and applications across cloud, web, and private networks.

The Netskope platform combines CASB, SWG, ZTNA, and FWaaS capabilities to secure traffic from any device or location through its newEdge global private cloud. The company went public in September 2025, raising $908 million at a valuation of $7.3 billion. The stock opened 21% above its IPO price and closed its first day up 18% at an $8.6B market cap. As of July 31, 2026, Netskope reported $899 million in ARR (up 27% year-over-year).

18. 1Password

Founded: 2005

Headquarters: Toronto, Canada

CEO: David Faugno

Valuation: $6.8 billion

Revenue: $400 million ARR

Funding: $920M (Series C)

Number of Employees: 1,400

Number of Open Jobs: 76

What they do: 1Password provides password management and credential security for individual and enterprise users. Customers can store and auto-fill passwords, notes, and credentials across devices. It also integrates into existing identity and access workflows, including added support for AI agents to log in securely without exposing user credentials.

In October 2025, 1Password executed a $100 million secondary sale at a $6.8 billion valuation. The company also partnered with Browserbase to secure AI-powered web browsing for autonomous agents.

The company secured a new deal in September 2025 to embed its security into Perplexity’s AI-native Comet browser, enabling encrypted credential autofill in AI-assisted web browsing sessions. Today, 1Password serves over 200,000 businesses and millions of users. In June 2026, the company acquired access-governance startup Apono, and in July 2026 it launched 1Password for Claude to secure credentials in agentic AI workflows.

19. Varonis (VRNS)

Founded: 2005

Headquarters: New York, New York

CEO: Yaki Faitelson

Market Cap: $5.5 billion

Revenue: $623.5 million (FY2025)

Number of Employees: 2,658

Number of Open Jobs: 108

What they do: Varonis provides data security, visibility, and analytics software that helps organizations protect sensitive information across file systems, cloud storage, and SaaS applications. Its Data Security Platform automatically maps where critical data lives, who has access to it, and how it’s being used.

In September 2025, Varonis acquired SlashNext to extend its threat detection capabilities into messaging channels. In February 2026, it also acquired AllTrue.ai, which powers the Varonis Atlas AI Security Platform. As of June 30, 2026, SaaS ARR reached $726 million (up 52% year-over-year). Today, the company supports approximately 6,250 customers across more than 95 countries, including NASA, E*TRADE, and Lowe’s. 

20. Snyk

Founded: 2015

Headquarters: Boston, MA / London, UK

CEO: Ken MacAskill (Interim)

Valuation: $3.7 billion

Revenue: $325 million (2025)

Funding: $1.32B (Series G)

Number of Employees: 1,135

Number of Open Jobs: 105

What they do: Snyk is a developer security platform that helps organizations automatically find, prioritize, and fix vulnerabilities in code, dependencies, containers, and infrastructure as code. Its tools integrate directly into developer workflows (IDEs, CI/CD pipelines) so teams can manage security earlier in the development lifecycle.

In 2026, Snyk serves 4,800+ customers worldwide, including Google, Intuit, Salesforce, MongoDB, and Revolut. The company was also the 2025 Google Cloud Technology Partner of the Year for Application Development – DevSecOps award winner.

Conclusion

That concludes our list of the 20 largest cybersecurity companies in 2026.

For those looking to enter the field, it’s worth exploring how earning an online master’s degree can help you break into the field.

Cybersecurity continues to be one of the fastest-growing sectors in tech. With AI, cloud, and identity threats evolving rapidly, we can expect to see even more innovation and new market leaders emerge in the years ahead. If you’d like to learn more about this space, check out our reports on the annual cost of cybercrime and the current shortage of cybersecurity talent.