Insights

Niche Market Focus GreatHorn specializes in advanced email security solutions targeting large-scale organizations, especially those concerned with complex threats like business email compromise and credential theft, presenting opportunities to offer tailored, high-value security services to enterprise clients.

Growing Threat Intelligence The company's regular publication of phishing attack landscape reports highlights a proactive approach to threat analysis, creating opportunities to engage clients with up-to-date insights and position GreatHorn as a thought leader while offering complementary threat intelligence services.

Recent Leadership Expansion The appointment of a new Vice President for US sales indicates a focus on scaling revenue streams and expanding market reach, signaling potential for upselling and cross-selling to organizations seeking proven growth in cloud email security.

Innovative Security Features GreatHorn's adoption of biometric account takeover solutions and the launch of specialized blog series demonstrate technological innovation, opening up sales prospects with security-conscious companies seeking cutting-edge protection features.

Strong Industry Relations Partnerships with security awareness providers and ongoing industry research initiatives reflect a collaborative approach that can be leveraged to expand sales channels and develop integrated security solutions for enterprise clients across sectors.

GreatHorn Tech Stack

GreatHorn uses 8 technology products and services including AdRoll, DiscoverOrg, Tableau, and more. Explore GreatHorn's tech stack below.

  • AdRoll
    Advertising
  • DiscoverOrg
    Business Intelligence
  • Tableau
    Business Intelligence
  • Kubernetes
    Containerization
  • oEmbed
    Dev Tools
  • React
    Javascript Frameworks
  • PHP
    Programming Languages
  • MediaElement.js
    Video Players

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. 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 January 2026, GreatHorn has approximately 9 employees across 1 continents, including North America. Key team members include Chief Executive Officer And Co-Founder: K. O.Chief Executive Officer & Co-Founder: K. O.Ceo: J. M.. 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 AdRollDiscoverOrgTableauKubernetesoEmbedReactPHPMediaElement.js.

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 January 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
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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