MetaDefender Drive v4.4.5


Released on May 11, 2026	This release includes new features, improvements, bug fixes
New Features	Differential Scans: Significantly reduces scan times for returning visitors by up to 90% through intelligent hash-based baseline caching — only scanning new or modified files instead of rescanning the entire device, enabling faster facility throughput without compromising security compliance. To enable this feature, visit Preferences → Scan Settings Auto Send Scan Report when plugging to KIOSK: Streamline post-scan compliance workflows by enabling Kiosk to automatically email device scan reports (complete with a signed passport cover page and QR code) to IT security teams upon user authentication, eliminating manual report distribution and accelerating threat visibility for enterprise environments. Send email notification via My OPSWAT: Automatically notify IT teams via email when MetaDefender Drive detects an unsafe device, enabling faster incident response through seamless integration with ServiceNow. Support setting versioning in CM: Enables seamless configuration versioning across CM10 Cloud and On-Premise deployments, ensuring MDD instances always apply the correct policy version with built-in integrity verification — reducing misconfiguration risks and simplifying multi-device policy management at scale. Sync In-Session scan reports from MDD and DTK: Ensures in-session scan reports from both boot scans and in-ession scans are automatically synced to the configured Central Management once a connection is available, improving visibility and auditability of all scans.
Improvements
	In-Session scan systems without Admin Access: removes the admin-access barrier for in-session endpoint scanning, empowering IT and security teams to achieve broader device compliance coverage without navigating complex privilege escalation workflows. Unify Reports from Drive Boot Scan and In-Session Scan: MetaDefender Drive now unifies report formats across Pre-Boot Scan and In-Session Scan into a single consistent structure, giving security teams a complete 360° device security posture in one report.
Bug fixed
	Fix HTTPS connectivity failure between MetaDefender Drive and Central Management v10 when using private Root CA certificates, restoring reliable secure device enrollment. Resolves incorrect engine status indicator in MetaDefender Drive UI, ensuring accurate color-coded visibility of engine readiness for customer Improves scan dashboard accuracy by displaying Read/Write throughput only for the actively scanned disk, eliminating misleading metrics from unscanned storage devices. Reports now display full file type group names instead of abbreviations, improving clarity and readability for users reviewing scan results. Workflows now correctly display the 10 most recent scan reports (or 9 latest plus the pinned baseline), ensuring users always see the most up-to-date results at a glance. Resolved a critical memory leak in the Alin AI engine that could exhaust system memory during scanning, preventing system freezes and eliminating the need for forced reboots.

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