Date: 18th November, 2025
MetaDefender Sandbox 2.5.0 Release Notes
Sandbox 2.5.1 provides OCM-10 integration and several enhancements in this release.
What’s New
- OCM-10 Integration - Enhanced OCM - Sandbox integration with support for, license management, and health monitoring for improved centralized management.
- Offline Mode Certificate Validation - Added a transform configuration to whitelist signed files without revocation checks; auto-enabled in air-gapped environments, but can be disabled for maximum security.
Improvements
- Offline URL Model Update - The URL Reputation Predictor (formerly Offline URL Model) now packs twice the training data for stronger, smarter predictions.
- Stability & Security - Updated core dependencies to enhance performance and security.
Bug Fixes
- Trends Page Accuracy - Improved IOC accuracy by refining query logic and whitelisting trusted domains.
- Trends Page “Last 24 Hours” Filter - Fixed filtering logic to ensure accurate 24-hour statistics.
- YARA Rules Display - Improved YARA rule handling in the UI to ensure consistent and accurate display for similarly named rules.
- Email History Pagination - Fixed pagination on the email history page to display unique and accurate results across all pages.
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