GreatHorn is a cybersecurity solution for cloud communication infrastructure, including email, collaboration, and chat tools.
260 Charles St
Waltham, MA 02453
Tel: (855) 478 - 4676
Kevin O’Brien serves as CEO and Co-Founder.
GreatHorn was founded in 2015 by Kevin O’Brien and Raymond Wallace III. They are headquatered in Belmont, Massachusetts.
Products and Services
GreatHorn offers products broken down into these three cateogories:
• Inbound Email Security - Comprehensive post-delivery protection against targeted email attacks, powered by machine learning and automated response capabilities.
• Messagin Security – Automated security operations and reporting for chat and collaboration platforms like Slack.
• GH Threat Platform – Automated threat detection and response for in-house communication systems.