Insights

Growing Cloud Security Market GreatHorn operates within the expanding cybersecurity sector, targeting large organizations concerned with email-based threats like business email compromise and impersonation. This presents opportunities to onboard more enterprises seeking scalable cloud email security solutions amidst rising cyber threats.

Focus on Threat Intelligence The company's emphasis on data-driven approaches and real-time threat detection through machine learning and human context provides a competitive edge. Collaborating with organizations interested in advanced threat analytics and custom risk management tools could unlock cross-selling prospects.

Recent Leadership Expansion With the appointment of a new Chief Revenue Officer, GreatHorn is positioning itself for scaled growth. This indicates potential enterprise sales opportunities as the company aims to grow its customer base and expand into larger accounts.

Security Awareness Initiatives GreatHorn’s engagement in educational content like phishing report series and partnerships with security training providers suggests a readiness to offer comprehensive security solutions, including employee training modules, creating a broader suite of services for customer organizations.

Entry-Level and SMB Focus With a relatively small team and revenue range up to $10M, GreatHorn may be open to partnership or distribution opportunities aimed at small and medium-sized enterprises seeking affordable yet effective email security, opening a front for tailored solutions or bundled offerings.

GreatHorn Tech Stack

GreatHorn uses 8 technology products and services including LinkedIn Ads, Linkedin Insight Tag, iCIMS, and more. Explore GreatHorn's tech stack below.

  • LinkedIn Ads
    Advertising
  • Linkedin Insight Tag
    Analytics
  • iCIMS
    Applicant Tracking Systems
  • Atlassian
    Application Development & Management
  • Cloudflare DNS
    Domain Name Services
  • React
    Javascript Frameworks
  • PHP
    Programming Languages
  • Google Analytics
    Web Analytics

Media & News

GreatHorn's Email Address Formats

GreatHorn uses at least 1 format(s):
GreatHorn Email FormatsExamplePercentage
FLast@greathorn.comJDoe@greathorn.com
95%
FirstL@greathorn.comJohnD@greathorn.com
2%
Last.F@greathorn.comDoe.J@greathorn.com
1%
Last.First@greathorn.comDoe.John@greathorn.com
2%

Frequently Asked Questions

Where is GreatHorn's headquarters located?

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GreatHorn's main headquarters is located at 1075 Main Street Suite 210 Waltham, Massachusetts United States. The company has employees across 1 continents, including North America.

What is GreatHorn's phone number?

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You can contact GreatHorn's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

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

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GreatHorn's official website is greathorn.com and has social profiles on LinkedInCrunchbase.

What is GreatHorn's NAICS code?

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

How many employees does GreatHorn have currently?

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As of May 2026, GreatHorn has approximately 7 employees across 1 continents, including North America. Key team members include Chief Executive Officer: M. C. M.Chief Executive Officer And Co-Founder: K. O.Chief Executive Officer & Co-Founder: K. O.. Explore GreatHorn's employee directory with LeadIQ.

What industry does GreatHorn belong to?

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GreatHorn operates in the Computer and Network Security industry.

What technology does GreatHorn use?

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GreatHorn's tech stack includes LinkedIn AdsLinkedin Insight TagiCIMSAtlassianCloudflare DNSReactPHPGoogle Analytics.

What is GreatHorn's email format?

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GreatHorn's email format typically follows the pattern of FLast@greathorn.com. Find more GreatHorn email formats with LeadIQ.

How much funding has GreatHorn raised to date?

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As of May 2026, GreatHorn has raised $103K in funding. The last funding round occurred on Feb 23, 2022 for $103K.

GreatHorn

Computer and Network SecurityMassachusetts, United States2-10 Employees

Global 2000 companies use GreatHorn to reduce the inherent and pervasive risk associated with the everyday use of email. GreatHorn’s multi-staged approach to email security automatically combines data science, machine learning techniques, and technical analysis with human context to protect organizations before, during, and after a phishing attack.

By treating email security as a risk management function, customers can not only detect and remove more attacks but also warn users in real-time of potential threats and provide response teams with the tools to limit exposure and minimize risk. As a result, GreatHorn Email Security safeguards cloud email from advanced threats such as business email compromise, impersonations, credential theft, account takeover, and other phishing attacks.

More information can be found at http://www.greathorn.com

Section iconCompany Overview

Headquarters
1075 Main Street Suite 210 Waltham, Massachusetts United States
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
2-10

Section iconFunding & Financials

  • $103K

    GreatHorn has raised a total of $103K of funding over 5 rounds. Their latest funding round was raised on Feb 23, 2022 in the amount of $103K.

  • $1M$10M

    GreatHorn's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $103K

    GreatHorn has raised a total of $103K of funding over 5 rounds. Their latest funding round was raised on Feb 23, 2022 in the amount of $103K.

  • $1M$10M

    GreatHorn's revenue is estimated to be in the range of $1M$10M

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