Insights

Strong Market Presence Halcyon operates in the high-growth cybersecurity sector with significant revenue between $500 million and $1 billion, indicating a large customer base and substantial market influence.

Advanced Technology Stack Utilizing cutting-edge tools like Java, gRPC, and Nginx, along with ISO/IEC 27001 certification, Halcyon demonstrates a commitment to robust, secure, and scalable cybersecurity solutions that appeal to enterprise clients.

Focus on Threat Disruption As a leader in anti-ransomware with end-to-end threat disruption and operational continuity guarantees, Halcyon presents opportunities to upsell proactive cybersecurity services to organizations seeking strong ransomware defense.

Potential Expansion Opportunities With a sizable employee base of up to 500 staff and a dedicated expert team, Halcyon might be looking to expand its product offerings or markets—an opening for complementary cybersecurity solutions and services.

Customer Trust & Reliability Offering a ransomware warranty and proactive threat management positions Halcyon as a trusted partner for security-conscious enterprises, opening sales avenues for premium, comprehensive cybersecurity packages.

Similar companies to Halcyon

Halcyon Tech Stack

Halcyon uses 8 technology products and services including BILL, Grafana, Jenkins, and more. Explore Halcyon's tech stack below.

  • BILL
    Accounting And Finance
  • Grafana
    Analytics
  • Jenkins
    Continuous Integration
  • ISO/IEC 27001
    Governance, Risk And Compliance
  • Java
    Programming Languages
  • gRPC
    Web Frameworks
  • OpenResty
    Web Servers
  • Nginx
    Web Servers

Media & News

Halcyon's Email Address Formats

Halcyon uses at least 1 format(s):
Halcyon Email FormatsExamplePercentage
FLast@halcyon.aiJDoe@halcyon.ai
89%
First@halcyon.aiJohn@halcyon.ai
10%
FMiddleLast@halcyon.aiJMichaelDoe@halcyon.ai
1%

Frequently Asked Questions

Where is Halcyon's headquarters located?

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Halcyon's main headquarters is located at San Diego, California 92101 United States. The company has employees across 6 continents, including North AmericaAsiaEurope.

What is Halcyon's stock symbol?

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Halcyon is a publicly traded company; the company's stock symbol is 5VJ.SI.

What is Halcyon's official website and social media links?

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Halcyon's official website is halcyon.ai and has social profiles on LinkedInCrunchbase.

What is Halcyon's NAICS code?

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Halcyon's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Halcyon have currently?

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As of February 2026, Halcyon has approximately 485 employees across 6 continents, including North AmericaAsiaEurope. Key team members include Cto + Co-Founder: R. S.Cmo: K. F.Chief Customer Officer: R. S.. Explore Halcyon's employee directory with LeadIQ.

What industry does Halcyon belong to?

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Halcyon operates in the Computer and Network Security industry.

What technology does Halcyon use?

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Halcyon's tech stack includes BILLGrafanaJenkinsISO/IEC 27001JavagRPCOpenRestyNginx.

What is Halcyon's email format?

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Halcyon's email format typically follows the pattern of FLast@halcyon.ai. Find more Halcyon email formats with LeadIQ.

When was Halcyon founded?

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Halcyon was founded in 2021.

Halcyon

Computer and Network SecurityCalifornia, United States201-500 Employees

Halcyon, the leading anti-ransomware solution provider, is purpose-built to defeat ransomware attacks. Our technology takes an end-to-end approach to proactively disrupt threats at every stage of the attack lifecycle, from pre-execution to data exfiltration and encryption.  With a 24/7 expert team that does the heavy lifting for you, and a robust ransomware warranty, Halcyon eliminates the need for ransom payments, ensures operational continuity, and protects businesses from data extortion.

Section iconCompany Overview

Headquarters
San Diego, California 92101 United States
Website
halcyon.ai
Stock Symbol
5VJ.SI
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2021
Employees
201-500

Section iconMedia & News

Section iconFunding & Financials

  • $500M$1B

    Halcyon's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $500M$1B

    Halcyon's revenue is estimated to be in the range of $500M$1B

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