---
title: GreatHorn Reviews
meta_title: 'GreatHorn Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter reviews by the users' company size, role or industry to find
  out how GreatHorn works for a business like yours.
aggregate_rating:
  rating_value: 5.0
  review_count: 1
  scale: '5'
date_modified: '2026-07-12'
parent_category:
  name: Email Security
  url: https://www.g2.com/categories/email-security
---


# GreatHorn Reviews
**Vendor:** GreatHorn  
**Category:** [Cloud Email Security Solutions](https://www.g2.com/categories/cloud-email-security)  
**Average Rating:** 5.0/5.0  
**Total Reviews:** 1
## About GreatHorn
Comprehensive post-delivery protection against targeted email attacks, powered by machine learning and automated response capabilities.




## GreatHorn Reviews
  ### 1. A Great Barrier For Attackers

**Rating:** 5.0/5.0 stars

**Reviewed by:** Lisa K. | Cloud Engineer, Information Technology and Services, Enterprise (> 1000 emp.)

**Reviewed Date:** September 12, 2018

**What do you like best about GreatHorn?**

GreatHorn is the best cyber-security service which can help us to protect against email phishers for your system and also from any malwares which might be attacking your web service.I think this platform has helped us in preventing various attacks and also protected the privacy of the data of our clients which is of utmost importance.So in this way I like greathorn

**What do you dislike about GreatHorn?**

I have nothing in person to dislike about GreatHorn

**Recommendations to others considering GreatHorn:**

My recommendation to others is that you should start using GreatHorn because you can literally prevent the attackers and phishers by 90% and make sure your application can remain protected.The protection of your application is necessary as the data privacy is very important so my recommendation for you is to start using greathorn.

**What problems is GreatHorn solving and how is that benefiting you?**

I have used greathorn for many times in past projects for setting up firewalls and other security services for our web applications and corresponding email servers.I am also using this for a current project to prevent its platform from being attacked by any outsider and making it a safe application.


## GreatHorn Discussions
  - [What is GreatHorn used for?](https://www.g2.com/discussions/what-is-greathorn-used-for)

- [View GreatHorn pricing details and edition comparison](https://www.g2.com/products/greathorn/reviews?filters%5Bnps_score%5D%5B%5D=5&section=pricing&secure%5Bexpires_at%5D=2026-08-13+23%3A24%3A01+-0500&secure%5Bsession_id%5D=99fbf8bb-74bd-4b7c-af5b-1163dd4aa973&secure%5Btoken%5D=5fd360b8b2a812df4b869edc11220853eeac0356ececf17426c5ae3d9d7635cd&format=llm_user)

## GreatHorn Features
**Additional Functionality**
- Phishing Protection
- Threat Response
- Domain Check
- Security Auditing
- AI/Machine Learning
- Third-Party Integrations
- AI Copilot
- Reporting/Analytics
- Anomaly/Malware Detection
- SURLB/URIBL Filtering
- Activity Dashboard
- Scheduled/Automated Reports
- For MSPs
- Whitelisting/Blacklisting
- Fraud Detection
- Spam Blocker
- Spam Quarantine
- API
- Data Leak Prevention
- Encryption
- Audit Trail
- Real-Time Monitoring
- Spam Analysis
- Policy Management
- Alerts/Escalation
- Email Management
- Vulnerability Scanning
- Generative AI
- Threat Protection
- Email Attachment Protection
- Email Filtering
- Two-Factor Authentication

**Administration**
- Intelligence Reporting
- Email Integration Suppor
- Access Management
- Data Loss Prevention

**Response**
- Resolution Automation
- Resolution Guidance
- System Isolation
- Threat Intelligence
- Incident Investigation

**Maintenance**
- Auditing
- Allow and block lists
- Compliance
- Archiving

**Records**
- Incident Logs
- Incident Reports

**Security**
- Anti-Malware/Anti-Spam
- Encryption
- Quarantine
- Advanced Threat Protection (ATP)
- Anti-Phishing
- Account takeover prevention

**Management**
- Incident Alerts
- Incident Case Management
- Workflow Management

**Generative AI**
- AI Text Generation
- AI Text Summarization
- Generative AI

**Additional Functionality**
- SSL Security
- HIPAA Compliant
- API
- Threat Response
- Endpoint Protection
- Maintenance Scheduling
- Third-Party Integrations
- Security Auditing
- Application Security
- Encryption
- Network Security
- Real-Time Reporting
- AI Copilot
- Reporting/Analytics
- Authentication
- Financial Data Protection
- Anti Virus
- Secure Data Storage
- Virus Definition Update
- Activity Dashboard
- VPN
- Audit Trail
- Anti Spam
- Access Controls/Permissions
- Data Visualization
- Alerts/Escalation
- Data Security

## Top GreatHorn Alternatives
  - [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) - 4.6/5.0 (589 reviews)
  - [Acronis Cyber Protect Cloud](https://www.g2.com/products/acronis-cyber-protect-cloud/reviews) - 4.7/5.0 (1,374 reviews)
  - [Paubox](https://www.g2.com/products/paubox/reviews) - 4.9/5.0 (614 reviews)