GreatHorn provides protection for cloud email systems, via advanced threat detection, automated defense, and integrated incident response.
GreatHorn has raised $103K in total funding. The most recent round was Venture - Series Unknown. The last funding was announced in February 2022.
GreatHorn's investors include Right Side Capital Management, Uncork Capital, Techstars, .406 Ventures, RRE Ventures.
GreatHorn is headquartered in Waltham, United States.
GreatHorn provides protection for cloud email systems, via advanced threat detection, automated defense, and integrated incident response.
GreatHorn is at the Venture - Series Unknown stage.
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"GreatHorn — Funding & Investors." VCBacked, February 23, 2022, https://www.vcbacked.co/company/greathorn. Accessed August 13, 2026.
VCBacked. (2022). GreatHorn — Funding & Investors. Retrieved August 13, 2026, from https://www.vcbacked.co/company/greathorn
{{cite web |title=GreatHorn — Funding & Investors |url=https://www.vcbacked.co/company/greathorn |website=VCBacked |access-date=August 13, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated