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OPSWAT MetaDefender Sandbox: Catching Signature-Less Threats by Behaviour
2 November 2026


OPSWAT MetaDefender Sandbox is a sandbox solution that runs suspicious files in an isolated analysis environment to examine, by behaviour, zero-day and targeted malware that ordinary scanning engines cannot detect. A file whose signature is not yet published, or which was crafted to evade detection, only reveals its true intent when it runs.
How Does It Work?
Isolated execution: The file runs in an environment where it cannot touch real systems.
Behaviour observation: Process, network, memory and system changes are monitored, revealing what the file tries to do.
Risk score and report: Detailed findings and a risk score support confident quarantine and response decisions.
Benefits for Organisations
Thanks to its integration with the MetaDefender ecosystem, the same advanced analysis is used across email, web, storage and file transfer channels, and security teams see what a suspicious file does instead of guessing.
To add sandbox analysis to your file flows, get in touch with ATEON's specialists.