| File |
|---|
| Libraesva ESG v5.5.gpg |
| Version | 5.5 |
| File Size | 12 KiB |
| File MD5 | 3265aedd778d1138f96f6cbaf84bce99 |
| File SHA256 | 5747846d5d85ccd00dcacac406a85343dc4811992e9f1646a334617790c09f0d |
| Create Date | May 12, 2025 |
| Last Updated | May 21, 2025 |
Libraesva ESG 5.5: A Smarter Layer of Defense - Introducing Semantic AI by Libraesva
Libraesva ESG 5.5 marks a major leap forward in intelligent email security, centered around the
launch of our brand-new Semantic AI — our privacy-first, context-aware detection engine.
Semantic AI enhances ESG's ability to detect even the most convincing email threats — the kind
that slip past traditional filters. Instead of relying solely on rules, links, or sender history,
it analyzes the meaning and logic behind each message to uncover inconsistencies in tone, intent,
or request. The result? Materially improved zero-day detection, consistent results, and
privacy-preserving protection — all running locally on your existing ESG appliance, with no data
offshoring or third-party AI involved.
This release is about understanding threats, not just spotting patterns — giving your organization
a smarter, safer inbox with no compromise on control.
These are the major features of this release.
New "AI Classifier" engine for email semantic classification
The Libraesva AI engine leverages a multilingual tensor-based model that builds upon core generative AI technology. Specifically designed for classification tasks, it provides tailored intelligence for distributed architectures, delivering high accuracy and performance.
The Libraesva AI Engine runs directly on our Email Security appliance, no data is exfiltrated. The AI engine focuses on analyzing emails from unusual correspondents or those exhibiting suspicious characteristics.
NOTE: A 20% average increase in CPU consumption can be anticipated.
Improved message scan indicators
The message scan result indicators, which provide a tag-based summary of complex analysis, have been enhanced to include both positive and negative signals and are now integrated with the new "AI classifier engine", enabling more accurate and insightful threat assessments.
Each indicator can also be used as a filter in saved searches and included in custom reports, allowing for more precise tracking and analysis.
API for domain administrator: domain based configuration can now be managed via API too
Domain administrators can now configure their domain-based settings through the API. This enhancement allows for programmatic management of domain configurations, supporting automation and integration with third-party systems.
Full release notes
See the full release notes
Minor upgrades for this release, which includes all 5.5.x versions, are automatically updated as soon as they are publicly available. These updates include all security fixes and bug fixes that can be installed without service downtime, and the expected behavior of the appliance remains unchanged.
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