Release notes

MetaDefender Storage Security v4.2.0

Release Date: December 15, 2025

Version supported until: May 25, 2026

MetaDefender Storage Security 4.2.0 delivers significant enhancements to cloud integration, identity scanning capabilities, and workflow automation, alongside critical stability improvements and bug fixes.

Highlights

  • GCP Autodiscovery

    • Automated bucket discovery for Google Cloud Platform

  • Oracle Cloud Enhancements

    • Improved support for Oracle Native while keeping its S3-compatible storage configurations

  • Cross Domain

    • Compliant data transfer across classification domains for high-security environments of workloads with isolated toxic handling, RabbitMQ-orchestrated processing, and webhook-based discovery

  • Identity Detection

    • Identity detection across backup filesystems with PDF reporting and remediation integration. Supports on-demand and scheduled scans with intelligent incremental scanning. Real-time processing (RTP) not supported.

  • PDF Report Enhancements

    • Improved file distribution visualization, enhanced tooltips, and identity scan results inclusion

  • PostgreSQL Optimization

    • Resolved stability and performance issues for large-scale deployments

Improvements

  • Discovery workflow execution and event-based scanning capabilities

  • Advanced file versioning support and remediation workflow performance

  • Optimized FTP connection pooling and file discovery mechanisms

  • Enhanced MDSS Cloud rate limiting and tenant administrator access controls

  • Improved SharePoint OnPrem workflow persistence

  • Robust storage account validation and credential management

  • Advanced password security in account management interfaces

  • Refined form validation for account creation and RabbitMQ configuration

  • Improved UI responsiveness and rendering performance across viewing contexts

  • Streamlined onboarding experience and intelligent default behaviors

  • Enhanced file distribution visualization and reporting accuracy

  • Comprehensive RabbitMQ validation, audit logging, and notification delivery

  • Refined SMTP lifecycle management

  • Improved webhook configuration interface and user guidance

  • Optimized database operation efficiency during export operations


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Release notes