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Founded in 2015, GreatHorn builds on a foundation of machine learning to automate threat detection and response in cloud communication systems.

Through machine learning, GreatHorn's platform protects customers with cloud collaboration tools – like Slack and Office 365 – from phishing and other security attacks. The GreatHorn Threat Platform, which features email and threat APIs, is designed for integration with any cloud communication platform, according to the company.