GreatHorn Alternatives & Competitors
12 companies similar to GreatHorn — Providing cloud email protection through advanced threat detection, automated de...
Companies similar to GreatHorn
EdgeWave
Delivering the World's Safest Inboxes™
La Jolla, United States
COFENSE
We see and stop the email threats that your Secure Email Gateway misses.
Leesburg, United States
ThreatQuotient
Data-Driven Threat Intelligence
Reston, United States
Sandfly Security
Agentless Linux security without endpoint agents or drama. Compatible, fast, and safe.
Christchurch, New Zealand
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Tessian
Cloud Email Security that intelligently prevents advanced email threats and protects again...
Boston, United States
Red Canary, a Zscaler company
24/7/365 threat detection and response across your cloud, identity, endpoints and everythi...
Denver, United States
xorlab
European email security solution for on-premises or cloud environments.
Switzerland
Perception Point
Perception Point provides cybersecurity solutions for the modern workspace, securing email...
Israel
SenseOn
AI-native security operations. Agents investigate and resolve cases under human governance...
London, United Kingdom
INKY Technology
Block phishing attempts and coach users to make safe decisions easily - with the only beha...
College Park, United Stat...
Lastline, Inc.
AI-powered Network Security to Defeat Advanced Threats
San Mateo, United States
CloudGuard
We help organisations proactively detect and automatically remediate cyber threats in real...
Manchester, United Kingdo...
About GreatHorn
GreatHorn, a cyber security startup established in 2015, offers cloud email protection with advanced threat detection, automated defense, and integrated incident response. The company's approach combines data science, machine learning, and technical analysis with human context to protect organizations before, during, a...
Cloud Security, Email Security, Information Security, Predictive Security, Spear Phishing, Credential Theft, O365, Incident Response, Phishing, Threat Detection
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Compiled from the BounceWatch company index. We last looked at GreatHorn on 3 Mar 2025. The 11 companies listed here were last checked between 11 Sep 2024 and 29 Sep 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
