Endpoint protection that blocks unapproved USB drives

Look for USB device control or removable-media control—it’s often a feature of endpoint security software, rather than a separate antivirus product.

Options that support blocking unapproved USB drives include:

• Microsoft Defender for Endpoint — configure a deny-by-default policy and allow specific USBs, identified by device properties such as instance path or vendor/product ID. It’s available for Defender for Endpoint plans 1 and 2 and Defender for Business. (learn.microsoft.com)
• CrowdStrike Falcon Device Control — allows admins to block devices by default and create exceptions for approved devices, with controls such as full block or read-only. (crowdstrike.com)
• Sophos Endpoint Peripheral Control — can block removable storage and exempt selected devices; it supports Windows and Mac. (docs.sophos.com)
• Endpoint Protector by CoSoSys — a dedicated option for centrally managed USB and peripheral controls, including device allowlisting. (endpointprotector.com)

If you already use Microsoft 365/Defender, start by checking whether your plan includes Defender device control. Otherwise, compare the USB-control feature and licensing in your existing endpoint suite before buying another product.

For a strict setup, use a default-block, approved-device allowlist policy, and test it with a few users first. Device matching can use identifiers like serial number or vendor/product ID; check how your chosen product handles devices with missing or duplicated identifiers. (learn.microsoft.com)

The strongest options are the device-control modules in major endpoint suites, plus dedicated USB control tools. Most let you block all removable storage and allow specific devices by ID.

Built into endpoint suites

• Microsoft Defender for Endpoint: Its Device Control policies can block or allow removable storage by hardware ID. Deployment runs through Intune, and the source says it requires Windows 10/11 Pro or Enterprise plus a Microsoft 365 Business Premium, Defender for Business, E3, or E5 license. Microsoft Defender for Endpoint (MDE) lets you enforce Device Control policies that block or allow removable storage by hardware ID. A pilot-group rollout is recommended before going to all devices.
• Sophos Intercept X (Peripheral Control): You can block a peripheral type and then add exemptions for specific approved devices. Sophos does have the feature to block all USB interfaces for storage media and make exemptions for allowing only the selected devices.
• Bitdefender GravityZone: Its Device Control module lets you define a rule that restricts USB access and apply it through a policy. Use Device Control to define a rule that restricts USB access, and apply it via policy.
• Trend Micro Apex One: It supports device control with vendor and device filtering.
• CrowdStrike Falcon Device Control: Policies can use attributes such as vendor, product, model, and serial number, with read-only and blocked modes. policies can use device attributes such as vendor, product, model, and serial number; read-only and blocked modes.

Dedicated USB/device control tools

• Netwrix Endpoint Protector (formerly CoSoSys): A device-control product covering Windows, macOS, and Linux, with enforced encryption. One 2026 roundup calls it the strongest general answer for cross-platform parity, though that is one reviewer's view.
• Ivanti DeviceLock: Often cited for the deepest control on Windows peripherals.
• DriveLock: Frequently recommended for European compliance needs.
• ManageEngine Device Control Plus: Positioned for consistent allow and block enforcement across many endpoints, tied to device identity.
• AccessPatrol: Aimed at smaller teams. It offers an allowed list for trusted devices and is listed at $12 user/month.
• ThreatLocker Storage Control: Uses a deny-by-default approach to storage devices.

Choosing one

• Check whether you already own a suite with device control. If you're on Microsoft 365 E3/E5 or Defender for Business, the Defender option may cost you nothing extra.
• Prioritize tools that allow by hardware ID or serial number, not only by device class, so an approved drive can't be swapped for an unknown one.
• Confirm that the tool logs blocked and allowed events for audits.
• Treat the ranking sites (gitnux, worldmetrics, cybersecuritynews) with caution. Their scores look like editorial estimates, not independent testing, so verify features against vendor documentation and run a pilot.

Endpoint protection solutions that block unapproved USB drives generally fall under Device Control or Data Loss Prevention (DLP) categories. These tools allow you to move beyond simple "all-or-nothing" port blocking by enabling granular control based on device IDs, user context, and security requirements.

Approaches to USB Blocking

1. Policy-Based Device Control (Recommended for Enterprises):
   • This is the most common approach, where agents are deployed to endpoints to enforce security policies.
   • How it works: You can create "allowlists" of approved devices (often by Vendor ID, Product ID, or unique serial number) while blocking all others by default.
   • Features: Many solutions offer "Read-Only" modes (allowing users to view files but not copy them out) and can even enforce encryption for any data transferred to authorized USB drives.
   • Popular Solutions:
     • Microsoft Defender for Endpoint: Offers robust device control that integrates directly with Intune for management.
     • Netwrix Endpoint Protector: Highly regarded for its cross-platform support (Windows, macOS, Linux) and granular device control.
     • Other notable tools: Acronis DeviceLock DLP, ManageEngine Device Control Plus, Trellix Endpoint DLP, and Symantec Data Loss Prevention.

1. Zero-Trust "Default-Deny":
   • Used by high-security environments, this approach keeps all USB ports disabled by default. Access is only granted through explicit, often temporary, requests.
   • Tool Example: ThreatLocker Storage Control is a prominent choice for this "default-deny" strategy.

1. Basic Windows Built-in Tools (No Cost):
   • If you only have Windows endpoints and do not need to audit, log, or manage exceptions easily, you can use Group Policy (GPO) to disable removable storage access.
   • Limitation: This is a blunt instrument; it lacks the ability to distinguish between a trusted encrypted drive and an unapproved one, and it provides no audit trail or user-friendly way to manage exceptions.

Key Features to Look For

When selecting a solution, evaluate it based on these capabilities:

• Granular Identification: Can it distinguish between different types of devices (e.g., block flash drives but allow mice/keyboards)?
• Audit Logging: Does it record who plugged in what device and what files were transferred? This is vital for forensic investigations and compliance audits.
• Encryption Enforcement: Can the solution force users to use company-approved, encrypted USB drives?
• Cross-Platform Support: Ensure the tool covers all operating systems in your fleet (Windows, macOS, Linux).
• Temporary Access Workflows: Can you easily grant temporary, time-limited access to a USB drive for a specific user without permanently changing the policy?

Summary Recommendation

• If you are already in the Microsoft ecosystem: Start with Microsoft Defender for Endpoint and Intune. It is already integrated, highly capable, and avoids the need for additional third-party agents.
• If you need a cross-platform, dedicated solution: Netwrix (Endpoint Protector) is widely recommended for its strong device control, multi-OS support, and ease of use in managing granular policies.
• If you require the strictest security (Zero Trust): Look into ThreatLocker for its default-deny approach to storage control.

For blocking unapproved USB drives, look for endpoint device control (sometimes called removable-media control), rather than antivirus alone.

• Microsoft Defender for Endpoint — Can deny removable storage by default and allow specific authorized USB devices, with options such as read-only access. Note: its removable-media controls cover USB devices that Windows recognizes as disks; not every USB peripheral is in scope. ²³
• CrowdStrike Falcon Device Control — Supports allow/block policies based on device attributes such as vendor, product, serial number, or device ID, with full-block and read-only options. ¹⁶

A typical policy is block all removable storage by default, then explicitly allow approved devices. Verify which device types and operating systems are covered, and pilot the policy before enforcing it broadly. ²³