Halcyon

halcyon.ai

computer & network security

halcyon.ai

Austin, Texas, United States

201-500 employees

32000000 revenue

LinkedIn Profile

About Halcyon

cybersecurity, software, antiransomware, ransomware, behavioral detection, cyber resilience, cybersecurity solutions, ransomware platform, consulting, behavioral threat detection tools, behavioral threat detection, data exfiltration protection, ransomware threat intelligence, threat actor monitoring, behavioral detection solutions, behavioral threat detection engine, machine learning, education, ransomware detection, behavioral threat modeling

Halcyon's Tech Stack

AI/ML

21 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

Halcyon's Position in the StackWho Database

• Halcyon is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 22,781 companies in Texas are in the StackWho database.
• 134 computer & network security companies are in the 201-500 employee range (same size as Halcyon).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Halcyon use?

Halcyon uses Route 53, Amazon AWS, Atlassian Cloud, React, Webflow, reCAPTCHA, and 15 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Halcyon?

StackWho has verified email addresses for 3 decision makers at Halcyon. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Halcyon directly for sales, recruiting, or partnerships.

What industry is Halcyon in?

Halcyon operates in the computer & network security industry, headquartered in Austin, Texas, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Halcyon's contact data?

Yes. StackWho Pro members can export decision maker contact data for Halcyon and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.