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GreatHorn

is a cybersecurity platform that detect and fix social engineering attacks in cloud communication systems... Read more
OverviewCompetitorsFundingNews & Insights

GreatHorn

is a cybersecurity platform that detect and fix social engineering attacks in cloud communication systems... Read more
GreatHorn Co-Founder & CEO: Kevin O'Brien

Co-Founder & CEO

Kevin O'Brien

CEO Approval Rating

65/100

2015

Private

Software, Internet & Computer Services
Security Software
73727371 NAICS listing

Est. Annual Revenue
$100K-5.0M
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Est. Employees
25-100
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Funding
$22.5M

News

Jun 27, 2023
GreatHorn Blog
GreatHorn Blog Email Security Considerations for Microsoft 365 Users
May 30, 2023
GreatHorn Blog
GreatHorn Blog Email Security Considerations for Google Workspace Users
May 09, 2023
GreatHorn Blog
GreatHorn Blog Show the Value of Your Email Security Solutions: Don't Just Measure Detection Rates
Mar 29, 2023
GreatHorn Blog
GreatHorn Blog Universities and Colleges Face Multi-faceted Email Security Challenges
Mar 22, 2023
GreatHorn Blog
GreatHorn Blog Spam vs Phish: The Problem with User-Reported Phish Buttons
Jan 25, 2023
GreatHorn Blog
GreatHorn Blog Phishing for Google Impersonation Attacks
Nov 02, 2022
GreatHorn Blog
GreatHorn Blog GMX.Net Phishing Campaigns: Why They're Hitting Users' Inboxes
Nov 03, 2021
GreatHorn Blog
GreatHorn Blog Native vs SEG vs ICES: What You Need to Know About Email Security
Oct 27, 2021
GreatHorn Blog
GreatHorn Blog Blueberry Muffins vs Blonde Chihuahuas: Debunking Artificial Intelligence in Email Security
Oct 20, 2021
GreatHorn Blog
GreatHorn Blog Global Supply Chain: Attackers Targeting Business Deliveries

GreatHorn Competitors

1Exabeam
2Veriato
3IronScales
4DTEX
5Fortscale
6Forcepoint
7Teramind
8Securonix
9Edgewise Networks, Inc.
10LogRhythm
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