GreatHorn is the cybersecurity solution for cloud communication platforms. As the only solution that can automatically detect and remediate targeted social engineering attacks in today’s leading communication systems, including Google Apps, Office 365, and Slack, GreatHorn can be installed in just minutes, providing immediate protection at the moment of deployment. With its proprietary dataset built from hundreds of millions of uniquely analyzed threats, GreatHorn combines the intelligence, fidelity, and precision necessary to prevent attacks from becoming breaches.

Belmont, US
11 (est)+10%

Greathorn Locations

Belmont, US

Greathorn Metrics

Greathorn Summary

Founding Date


Total Funding

$2.53 M

Latest funding size

$2.25 M

Time since last funding

7 months


Greathorn Company Life