Secure every inbound file submission with Zero Trust CDR before it reaches your network, storage, or systems.
of successful cyber attacks start with a file
average file processing time
file extensions supported
From customer onboarding to regulatory submissions, file uploads keep business moving. They also bring untrusted files directly into trusted environments, exposing organisations to targeted attacks designed to bypass detection-based security.
Antivirus and sandbox tools work by comparing files against known malware signatures or detonating them in a controlled environment. Neither approach catches zero-day threats embedded in structurally valid documents (malicious macros, weaponised metadata, exploitable object streams) where the file looks entirely normal to a scanner but executes a payload once opened. File upload portals are the exact scenario where adversaries craft these threats to bypass detection.
Glasswall secures file uploads with Content Disarm and Reconstruction (CDR), integrating directly into upload workflows through API, SDK, and gateway-based deployment options. Rather than relying on detection to decide whether a file is safe, CDR rebuilds each file to a known-good standard before it reaches storage or internal systems.
Glasswall CDR can be deployed at multiple points within a file upload architecture, depending on where you need the enforcement boundary to sit.
A user uploads a file through your portal, application, or secure file exchange service. Before the file is written to storage or routed to internal systems, Glasswall intercepts it at the integration point for processing. Processing occurs transparently in the background with no impact on the user experience.
Glasswall deconstructs the file and validates every element against the manufacturer’s published file format specification rather than relying on threat signatures. Macros, embedded objects, scripts, external links, metadata, and active content can be removed, sanitised, or allowed based on your organisation’s requirements.
Glasswall rebuilds the file from validated content, creating a brand-new version that conforms to the published file format specification, preserving the original document’s appearance, formatting, images, and business content.
The rebuilt file is delivered to its destination — cloud storage, a document management system, workflow platform, or business application — with a detailed analysis report for compliance, investigations, and security monitoring.
Embed Glasswall directly in your web application using the REST API or Embedded Engine SDK. Files are processed at the point of submission, before storage is written, with clean files returned synchronously or via webhook.
For architectures where files land in object storage first (S3, Azure Blob, Dropbox), Glasswall can be triggered via AWS Lambda or Azure Function to process files automatically on upload. Clean files are written to an output bucket; non-conforming files are quarantined. This pattern is used in insurance, financial services, and government claims workflows.
Deploy Glasswall Halo as an ICAP-compatible gateway service to intercept file transfers at the network layer, independent of the application.
Not all risky content requires the same response. Glasswall’s policy settings lets you define exactly how each category of potentially dangerous content is handled per file type, per use case, or per user group, giving you precision rather than a binary allow/block decision.
A tailored walkthrough of how Glasswall rebuilds files to a known-good state, removes hidden threats, and provides the intelligence you need to understand file risk.
What's in the demo
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Beazley's security is paramount, and this integration has significantly reinforced our cybersecurity framework.
