Detect and destroy targeted phishing attacks that bypass native controls in Microsoft 365 and Google Workspace, evade Secure Email Gateways, and slip through legacy tools.

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Join us for Live Webinar: Aug 19, 2021 – 10:00 AM PT / 1:00 PM ET

Vendor Email Compromise in Supply Chain Attacks: What You Need to Know in 2021

GreatHorn Protects What Native Email Controls Fail to Detect

Based on emails that bypass native email security controls

1 out of every 3,226 emails
received by an executive is a whaling attack
131% annual increase
in executive impersonation attacks targeting users
3.7% of all emails
contain a potentially malicious link
2.2% of all emails
contain a potentially malicious attachment
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The Only Layered Email Security Solution to Detect and Respond to All Sophisticated Email Attacks.

GreatHorn Email Security Platform is an API, cloud-native solution that eliminates risk across Microsoft 365 and Google Workspace. Our platform uses artificial intelligence and machine learning to accurately identify risk areas, threat patterns, and zero-day phishing attacks. GreatHorn offers the only layered approach to email security, preventing social engineering and the 96% of data breaches that use social engineering and email.

AICPA SOC 2 - Type II CertifiedAICPA SOC 3 CertifiedCSA- Cloud Security Alliance
empower end users

Empower End-Users

  • Contextual information for better decisions​
  • ​“Report Phish” with instant notifications​
  • ​Warning pages for suspicious links​
  • ​Customized smart banners based on risk

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Reduce Phishing Response Time​

  • Granular search across the email envelope​
  • Bulk removal without Powershell scripting​
  • Visibility into emerging and zero-day threats​
  • Integration into existing workflows

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automate remediation

Automate Remediation​

  • Out-of-the-box default risk types and automated actions​
  • Real-time visibility
  • One-click policy creation​
  • Analysis prior to inbox delivery

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A Seamless Experience with GreatHorn​
  • Deployment: Be up and running in less than 5 minutes.
  • Policy Configuration: Out-of-the-box default risk types for immediate protection.
  • No Downtime: No changes to mail routing or MX records, so mail always gets to your users.
  • PreAnalysis: Detect and apply automated remediation prior to delivery to an end user’s inbox.
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4.8 out of 5 Overall

“GreatHorn reduces risk of phishing.”

— Information Security Officer in the Finance Industry

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4.8 out of 5 Overall

“Great tool for avoiding fraudulent email. Exceeds capabilities of Gmail & Outlook.”

— IT Accounts Analyst in the Education Industry

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4.8 out of 5 Overall

“GreatHorn perfectly combines power and flexibility with the simplicity of an API solution.”

— Director Of IT in the Services Industry

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“We achieved a 90% reduce in remediation time after implementing GreatHorn”

– Andrew Heard, Director of IT, Desert Mountain Club
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Get Your FREE Email Threat Assessment

Learn what advanced threats are currently getting through your existing email security and into your end users’ mailboxes.