Block Prevalent Email Attacks with the Clearswift Secure Email Gateway Appliance
The Clearswift on-premise Secure Email Gateway (SEG) protects against spam, viruses, and prevalent threats including phishing, ransomware, and spam by leveraging a Deep Content Inspection Engine. This offers an additional layer of security for content or communications deemed suspicious.
IT teams need to ensure that information being shared across email both inside and out of the organization is not only secure, but appropriate and compliant. Clearswift’s unparalleled level of inspection and granular policy controls apply the optimal security treatment to your emails in real time reducing the risk of data loss. This keeps your communications safe and flowing, without business disruptions.
Key Features of the Clearswift SEG Appliance
The Clearswift SEG is mail system-agnostic, scalable from SMEs to enterprises and can complement either a cloud-based solution, such as Microsoft 365 and Google Workspace, or on-premise systems like Microsoft Exchange.
Product Specifications
Deep Content Inspection Engine
Far greater than any other structural level of verification on the market, Clearswift’s Deep Content Inspection Engine scans content in a multi-stage process:
- Identifies the file type by file signature
- Verifies the file structure conformity
- Extracts content that violates rules in zipped or compressed files, document body, headers, footers, or embedded objects
- Strips metadata from documents and image files
- Records what it removed
Anti-Virus Options
Providing a further inbound threat protection, Clearswift works with the following anti-virus software engines:
- Avira
- Sophos
- Sophos Sandbox
Encryption
The Clearswift SEG appliance supports multiple encryption rules to allow companies to select the most appropriate methods for their different user communities, including:
- TLS
- S/MIME/PGP
- Password-Protected ZIPs
- Web Pickup Portal (recipients receive a link to a message) `
- Echoworx – Hosted encryption portal
- Ciphermail – On-premise encryption portal
On-Premise Deployment
Options
- Managed or hosted in ISO-certified data centers
- Public cloud deployment on Microsoft, Azure, or AWS
- Private cloud virtual environment running VMware/Hyper V
- Own or packaged hardware
Requirements
A standard RHEL-operating stack is required, which includes Microsoft Azure, AWS, or localized cloud providers. Clearswift will take care of the installation and upgrades across platforms.
On-Premise Secure Email Gateway + Microsoft 365
The on-premise Clearswift SEG can be used to provide enhanced Adaptive Data Loss Prevention (A-DLP) protection and complement the M365 hygiene components of the E5 tier with extra coverage, including:
- More Comprehensive and Easier-to-Configure Adaptive DLP (A-DLP) and Compliance Controls
- Additional Layer of Ransomware and APT Protection
- Better Visibility of Policy Violations and Tracking of Message Flow
Functionality | M365 E5 Tier |
M365 E5 Tier Augmented with Fortra's Clearswift SEG |
---|---|---|
Anti-virus | ||
Anti-spam | ||
Stop & block policy enforcement | ||
Stop & block DLP controls | ||
B2B/B2C encryption | ||
Advanced BEC & brand impersonation protection | ||
Active code detection | ||
Body content analysis | ||
Advanced URL & attachment analysis | ||
Inline sandboxing to protect from malware & APTs | ||
Active content sanitization to protect from data loss & compliance violations | ||
Data redaction of sensitive data (e.g., IP, PII, PCI, etc.) | ||
Automated document sanitization of metadata &version history | ||
Anti-steganography to sanitize images of hidden data | ||
Optical Character recognition (OCR) to extend data protection | ||
Active code removal |
Why Choose the Clearswift SEG Appliance?
The functionality of the Clearswift Secure Email Gateway and its web-based interface have always been key strong points for us. The solution’s integration with Microsoft 365 was a real bonus. We now have peace of mind that our new cloud email platform has the same level of protection that we'd become accustomed to.
Alex Kennedy, Asst Director, Volusia County Schools, Florida