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GreatHorn

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Read 19 GreatHorn reviews and testimonials from customers, explore 11 case studies and customer success stories, and watch customer videos to see why companies chose GreatHorn as their Email Security Software

GreatHorn is a cybersecurity company that helps organizations detect and prevent spear phishing and credential theft attacks automatically. The first and most powerful solution for stopping business email compromise, domain imposter, and whaling attacks, GreatHorn is natively integrated into Google Apps and Office 365, deploys in 15 minutes, and requires no changes to your existing mail routing or email gateway.

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  • 19TestimonialsView
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    Customer Videos
Customer Rating Review Scorebased on 2133 reference ratings
4.7/5.0 (2133)
  • Top Performer 2024 2024
    Fall 2024Top PerformerEmail Security Software

19Testimonials

  • "Using GreatHorn for three years, we experienced 90% reduced risks to our community from email scams. Bulk remediation is amazing and among its greatest features."

18 more testimonialscurrently locked

11 Case Studies

  • Charity Water - Customer Case Study

10 more case studiescurrently locked

Additional GreatHorn Information & Resources

Read GreatHorn Reviews, Testimonials & Customer References from 19 real GreatHorn customers.

Browse GreatHorn Case Studies, Customer Success Stories, & Customer References from 11 businesses that use GreatHorn.