Stop malicious attachments in Outlook

Zero-day and AI-generated threats are designed to bypass detection. Glasswall Halo eliminates that risk by rebuilding Outlook attachments in real-time, eliminating malware threats at the point of entry.

No detection. No signatures. No delays.

Email is still the number one entry point for file-based attacks

68% of malware originates from email, and 94% is delivered via attachments. 

Attackers are evolving fast, using AI-generated documents and embedded links designed to bypass traditional detection.
 
By the time a threat is flagged, it may already be opened, shared, and moving across your network. 

We understand the pressure email security teams are under

You’re expected to stop every threat, without slowing the business down. 

But detection-based tools generate noise, miss zero-days, and force your team into constant reaction mode. 

That’s why the world’s most demanding defense and government agencies trust Glasswall.

Secure email in three simple steps

1. Connect

Integrates directly with Microsoft Outlook with minimal setup.

2. Sanitize

Every attachment is rebuilt in real time, removing malicious content and embedded threats automatically.

3. Deliver

The clean file reaches your user's inbox. No quarantine delays. No workflow disruption.

How Halo protects email attachments in Outlook

Stop malicious attachments at the point of entry

Apply Zero Trust to every file, regardless of sender

Eliminate alert fatigue with automatic remediation

Give your team a secure inbox and your SOC some breathing room

  • Clean attachments before they execute
  • Dramatically reduce alert volume for security teams
  • No reliance on detection, signatures, or sandboxes
  • Keep email workflows running
  • Protect files across your M365 environment

Protect every file across M365—not just email

The Outlook Integration is part of Glasswall Halo's Storage Monitoring solution. Pair it with our full suite of M365 integrations to protect every file, whether it arrives by email or lands in your cloud storage.

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Glasswall Halo

Halo gives you full control over file security, on-premises, in the cloud, or air-gapped environments. Accessible via UI, API, or ICAP.

See what Zero Trust file protection looks like. Live, in 25 minutes.

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

  • See malicious files rebuilt in real time
    Watch Glasswall remove hidden threats and return a safe, usable files.
  • Integrate security without disruption
    See how Glasswall fits into your existing workflows and infrastructure.
  • Gain complete visibility into file risk
    Uncover threats, anomalies and hidden file intelligence.

Beazley's security is paramount, and this integration has significantly reinforced our cybersecurity framework.

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