- Ordered before 4 pm, delivered the next working day in the Netherlands*
- Tailor-made advice free of charge
- 24/7 reachable by e-mail
* Excluding laptops and desktops and if in stock.
The Kobra VS USB drive offers the highest level of data security with military certification from BSI, NATO and EU RESTRICTED. This premium USB-C drive protects your sensitive data through advanced 256-bit AES hardware encryption in XTS mode, combined with two-factor authentication via smartcard technology.
Maximum protection for governments and organisations
For organizations working with confidential data, the Kobra VS provides a foolproof solution against data theft. The integrated crypto module with dual 256-bit keys ensures real-time encryption of all data, while the robust metal housing provides physical protection. With support for NIS2 and GDPR guidelines, this USB drive is the perfect solution for secure data storage and transport.
Kobra VS – What you ‘have’, ‘know’ and even ‘where’ you are – authentication principles
As a user, you can only access the data on the KOBRA Stick VS if you know the PIN code and if have the correct smartcard in your possession.
- 2 factor authentication: Users can only access the data on the Kobra VS Stick if they ‘know’ the PIN code and ‘have’ the correct Kobra Authentication Card in their possession.
- 3 factor authentication: Users require the ‘know’ and ‘have’ with the 2 factors above plus the ‘where’ with a trusted server by creating the Kobra VS Data Defence Zone. Please, feel free to contact us for further information..
Security features
- Role sharing between administrator and user
- Management software KOBRA Client VS and license (free available upon request)
- External generation and calculation of crypto keys on the smart card
- Automatic encryption of all data in real time
- Automatic formatting after key change
- Write protection mechanism
- Time-out function (1 to 30 min)
- Lock-Out and Quick-Out functions
- The sturdy metal housing protects against splashing water
Technical information
- Execution of many functions without a PC connection
- Simple operation, maintenance and support free of charge
- Modern USB-C connection
- Compatible with USB 3.0 & 2.0
- Operating system independent and bootable
- No performance limitations
- Reading/writing speed: up to 120 MB/s
- Capacities: 16GB to 1TB MLC memory
- Supplied with 2 x smart cards in chip card format
- Up to 8 smart cards (PKI cards) can be integrated
- Compatible with existing PKI smart cards (for example, troop ID cards)
Order the KOBRA Stick Encrypted USB-C flash drive
Order the KOBRA Stick Encrypted USB-C flash drive at Hart 4 Technology. We deliver within 2 business days.
Kobra Authentication Card
Kobra Client VS software
ISO 9001 Certificate
NCAGE code
Kobra VS approvals
Kobra VS made in GermanyFREQUENTLY ASKED QUESTIONS
This secure USB stick is developed in Germany. The combination of two-factor authentication and smart card security ensures that only authorized personnel can access the data. The integrated smart card technology adds an extra line of defense that meets the highest security requirements of German BSI, NATO and European governments
The KOBRA VS Client software is a free Windows program that comes with your secure USB stick. You'll be ready in three simple steps:
- Download the software (you'll receive the link and license from us for free by e-mail)
- Set up your personal Admin and User PIN code
- Link your smartcard
We will send you a clear English or Dutch manual and are happy to help if you have any questions. Send us an email with the serial number of the Kobra VS stick and we'll make sure you can get started quickly!
The Kobra VS uses three different PIN codes for optimal security:
Admin PIN (device configuration)
- Default PIN code: 87654321
- PIN length 4-16 digits
- 16 attempts allowed
- Manual: Chapter 3.5
User PIN (smartcard configuration)
- Default PIN code: 1234
- PIN length 4-12 digits
- 3 attempts allowed
- Manual: Chapter 3.4
SO-PIN/PUK (Use after 3 incorrect User-PIN attempts
- Use SO-PIN when LED blinks red and then orange. It requires a new DEK key (Data Encryption Key)
- Sandaard SO PIN code: 1234567890
- PIN length 4-12 digits
- 10 attempts allowed
- Manual: Chapter 3.4
Important: It is strongly recommended to change all default PIN codes immediately after first use.



