Language: Japanese

It locks by the password by only removing!
Data in a USB Flash Drive is protected by a password.Useful Security Tool.

Easy to save and load data of USB Flash Drive.
Light-weight,effective and very useful in carrying data

However
"misplace pendrive by careless and your data may be seen by the other one"or
"pendrive saved very important data was stolen"
When a school or a company meets such case, it may be reported as an information leakage case.

It is too late when you notice your pendrive was lost or stolen. Why not take measure now?

Download Free edition(up to 32GB,v5.1.1.30)
Before you use the tool first time, please read Outline and How to use and License.


"USB Flash Security" used all over the world is
security software protecting data in USB drive by a password.
Add encryption to USB Flash Drive on the market.

Product advisor

Password-protect a work USB drive simply by removing it

Add AES-256 encryption to an ordinary USB flash drive. Protect confidential files against loss or theft with Windows 11-compatible security software.

✓ Try the product edition free for 15 days
✓ Perpetual license with no renewal fee
✓ Free version updates and direct support
Start the 15-day free trial View pricing and purchase

For personal, non-commercial use up to 32GB:
Download the Free edition

Product advisor
Windows 11 compatible / AES-256 encryption / Perpetual license / Available since 2005
Version 5.1.1 released June 4, 2026 with Microsoft-signed drivers

Personal product edition

To install security to high capacity USB Flash Drive and USB hard disk,PRO Service can be used by these editions.


g(group) product edition

To install security to multitudinous USB Flash Drives by 1 PC. Function that change password by USB drives ,PRO Service and Write-Protect Service can be used by these editions.