GreatHorn: Email Security for Microsoft 365 & Google Workspace
GreatHorn helps small and mid-market companies identify and mitigate email-based threats. It is designed for organizations looking to add a layer of protection beyond native email controls.
At a glance
- Category
- Security
- Best for
- Small Businesses, Mid-Market Companies, Enterprise Companies, Microsoft 365 users, Google Workspace users
- Pricing
- Pricing was not clearly available from the provided evidence. A 30-day trial is offered. Buyers should confirm current pricing on the vendor website.
- Key use cases
- Preventing Business Email Compromise (BEC), Mitigating Credential Theft, User Awareness, Incident Remediation
- Integrations
- Microsoft 365, Google Workspace, SIEM, SOAR
- Official website
- greathorn.com
GreatHorn is an API-based email security tool for cloud environments using Microsoft 365 and Google Workspace. It uses artificial intelligence and machine learning to analyze communication patterns, which helps in detecting phishing attempts and executive impersonations.
The software is designed for various business sizes, focusing on threats that may bypass standard filters, such as credential theft and supply chain impersonations, while providing tools for incident response and remediation.
Beyond detection, the platform includes features to help educate employees. By using automated banners and warnings, the tool provides users with context when interacting with suspicious emails.
Buyers should confirm that the platform is designed specifically for cloud-native email. Those using legacy on-premise mail servers should verify compatibility, as the tool integrates via API without requiring changes to MX records.
Key Features
Analyzes communication patterns and relationship strength between senders and recipients to detect anomalies.
Applies automated, customized warning banners to emails to help educate users about potential risks.
Supports the identification and quarantine of individual or bulk emails across the email environment.
Analyzes URLs using machine vision and provides warning pages for suspicious links.
Allows end users to report suspicious emails and provides notifications to administrators.
Analyzes display names, domains, and technical fingerprints to identify impersonation attempts.
Use Cases
Detecting and blocking executive or supply chain impersonation attempts intended to commit payment fraud.
Identifying and flagging phishing emails designed to steal user login credentials.
Using smart banners to help employees recognize phishing indicators during their daily workflow.
Searching for and removing malicious emails from user mailboxes after a threat is identified.
Best For
Integrations
Pricing
Pricing was not clearly available from the provided evidence. A 30-day trial is offered. Buyers should confirm current pricing on the vendor website.
FAQ
GreatHorn is designed for cloud-native platforms, supporting both Microsoft 365 and Google Workspace.
No, the platform deploys via API and does not require changes to mail routing or MX records.
According to the provided evidence, deployment may be completed in under 5 minutes.
Yes, GreatHorn offers a 30-day trial.
Source category: Security
Source subcategory: Email Security
