Hornetsecurity vs Mimecast Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Hornetsecurity

0.0 (0 reviews)

Hornetsecurity provides a comprehensive cloud security suite designed to protect your Microsoft 365 environment from advanced cyber threats like phishing, ransomware, and sophisticated email-based attacks.

Starting at --
Free Trial 30 days
VS

Mimecast

0.0 (0 reviews)

Mimecast provides an advanced cloud-based security platform designed to protect your organization from email-borne threats, data loss, and downtime while ensuring continuous communication and simplified compliance management.

Starting at --
Free Trial 30 days

Quick Comparison

Feature Hornetsecurity Mimecast
Website hornetsecurity.com mimecast.com
Pricing Model Custom Custom
Starting Price Custom Pricing Custom Pricing
FREE Trial ✓ 30 days free trial ✓ 30 days free trial
Free Plan ✘ No free plan ✘ No free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas saas mobile
Integrations Microsoft 365 Outlook Microsoft Teams SharePoint OneDrive Azure Active Directory Microsoft 365 Google Workspace Salesforce Splunk ServiceNow Okta CrowdStrike Palo Alto Networks Rapid7 Microsoft Sentinel
Target Users small-business mid-market enterprise mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2007 2003
Headquarters Hanover, Germany London, UK

Overview

H

Hornetsecurity

Hornetsecurity offers a specialized security suite built specifically to harden your Microsoft 365 environment. You can protect your organization from evolving digital threats using multi-layered email filtering, automated backup solutions, and security awareness training for your employees. It acts as a protective shield that sits in front of your inbox, neutralizing malicious links and attachments before they ever reach your team.

You can manage your entire security posture from a single dashboard, reducing the complexity of handling multiple point solutions. The platform solves the critical problem of data loss and downtime by providing automated backups for emails, Teams chats, and OneDrive files. Whether you are a small business or a large enterprise, you can ensure your communication remains secure and compliant with international data protection standards.

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Mimecast

Mimecast is a comprehensive email security and management platform that protects your business from sophisticated cyberattacks. You can defend your inbox against phishing, ransomware, and impersonation attempts using its AI-powered threat intelligence. Beyond just blocking threats, the platform ensures your email remains functional even during server outages, allowing you to maintain business continuity without interruption.

You can also use the platform to automate data retention and compliance. It provides a centralized cloud archive where you can securely store, search, and retrieve historical communications for legal or regulatory needs. Whether you are a mid-sized company or a global enterprise, the software integrates with your existing Microsoft 365 or Google Workspace environment to create a more resilient digital workplace.

Overview

H

Hornetsecurity Features

  • Spam and Malware Protection Block 99.9% of all spam and malicious content with multi-stage filter systems that analyze incoming mail in real-time.
  • Advanced Threat Protection Defend your team against sophisticated CEO fraud and ransomware attacks using AI-based detection and sandboxing technology.
  • 365 Total Backup Automatically back up your entire Microsoft 365 environment, including Mail, Teams, OneDrive, and SharePoint, several times a day.
  • Security Awareness Training Turn your employees into a human firewall with fully automated phishing simulations and interactive training modules.
  • Email Encryption Secure your sensitive communications automatically with policy-based encryption that requires no manual intervention from your users.
  • Email Archiving Meet legal compliance requirements by automatically storing all incoming and outgoing emails in a tamper-proof, searchable archive.
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Mimecast Features

  • Email Security Cloud Gateway. Block malicious attachments and URLs before they reach your network using deep content inspection and real-time threat intelligence.
  • Internal Email Protect. Detect and remediate threats originating from within your organization to stop the lateral spread of malware or phishing.
  • Mailbox Continuity. Keep your employees sending and receiving emails during a primary mail server outage with an automated failover system.
  • Cloud Archive. Store all your business communications in a secure, encrypted repository that allows you to perform lightning-fast searches for e-discovery.
  • Awareness Training. Reduce human error by launching engaging security videos and phishing simulations to educate your staff on modern cyber risks.
  • DMARC Analyzer. Protect your brand reputation by preventing unauthorized parties from sending fraudulent emails using your company's domain name.

Pricing Comparison

H

Hornetsecurity Pricing

M

Mimecast Pricing

Pros & Cons

M

Hornetsecurity

Pros

  • Seamless integration with Microsoft 365 environments
  • Highly effective spam and phishing detection rates
  • Centralized management console simplifies daily administration
  • Automated security awareness training saves HR time
  • Reliable backup and recovery for Teams and SharePoint

Cons

  • Initial configuration can be complex for beginners
  • Reporting interface feels dated to some users
  • Pricing is only available through partners or quotes
A

Mimecast

Pros

  • Highly effective at blocking sophisticated phishing and impersonation attacks
  • Seamless integration with Microsoft 365 and Google Workspace environments
  • Reliable email continuity ensures zero downtime during server maintenance
  • Powerful search capabilities within the cloud archiving feature
  • Granular policy controls allow for highly customized security rules

Cons

  • Initial configuration and setup can be complex for beginners
  • The administrative interface has a steep learning curve
  • Pricing is generally higher than basic built-in security tools
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