Gain total control over USB access and visibility into every file written, moved, or deleted

Control exactly which external devices can connect, what they can access, and whether data can be copied, without slowing your users down.

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Prevent data exfiltration via removable media

Stop unauthorized USB drives from copying sensitive data off endpoints.

Eliminate rogue device risk

Block unknown or malicious USB devices from ever connecting to your systems.

Enforce encryption for regulated environments

Require approved external devices to be encrypted to meet compliance and data protection mandates.

One unmanaged device can carry malware in or carry your data out. Without control, removable media becomes one of the easiest breach paths in your environment. It’s time to decide which devices connect and what they’re allowed to do.

With ThreatLocker USB access control capabilities, you gain precise, policy-driven control over removable media access across your endpoints.

Storage control to ThreatLocker: allows us to lock down that mishap of somebody grabbing a thumb drive from a conference or from somebody else and plugging that in and utilizing it.

Jeff Lutes
Executive Vice President of Technology
Orlando Magic

Here’s how it works:

You define:

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Which USB devices are allowed.

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Which users can use them

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What data can be accessed or copied.

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Whether encryption is required.

If it’s not approved, it doesn’t connect.

Set policies based on:

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User.

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Device serial number.

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Time of access.

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File type.

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Endpoint group, and more.

When a USB device connects, the system checks it against your policies. Approved? It works—within defined limits. Not approved? The connection is blocked and invisible.
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You can also:

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Enforce mandatory encryption.

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Allow read-only access.

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Prevent file transfers by type.

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Trigger alerts for suspicious activity.

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Track every file copied, moved, or deleted, down to device serial number.

Need temporary access? Users request it instantly. You approve in seconds.

Your benefits

Stop unauthorized data removal

No more silent file copying to unknown devices.

Reduce insider risk

Control exactly who can move sensitive data and how.

Maintain compliance with confidence

Enforce encryption and produce audit-ready visibility into device usage.

Create a default-deny, encrypted-only USB policy.

Allow only approved device serial numbers, approved users, and encrypted drives with read-only access unless explicitly required. The rest of removable media will then be blocked by default. For high-risk teams, restrict sensitive file types like .csv, .pst, and .zip.

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The results?

No unknown USB devices are permitted in your network. No uncontrolled data copying. And no blind spots. Unapproved USB devices can’t touch your sensitive data.

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