Secure GSM

Professional protection of confidential data

GuardDo Encrypted USB and hard drives with keypads

In the age of the Internet both individuals and organizations need to transfer data quickly and frequently. Ensuring safe transfer of important data from one device to another is a problem that is relevant to every sphere of activity, be it education, healthcare, finance, insurance and others.

To ensure the safety of confidential data in personal and business communication:


Encrypted flash drive USB2.0 GuardDoTouche

Encrypted flash drive


  • Material: Aluminium
  • Color: Black
  • Storage capacity: 16GB and 32GB
  • Interface: USB 2.0
  • AES-256 real time hardware encryption
  • On-board keypad
  • No additional software required
  • Built-in Li-ion battery 65 mAh
  • Dimensions: 80х24х8 mm

Encrypted flash drive USB 3.0 1,8" GuardDo Masquer

Encrypted USB drive GuardDo Masquer


  • Material: Aluminium
  • Color: Black, silver
  • Type: SSD 1.8"
  • Storage capacity: 64GB/128GB/256GB/480GB
  • Interface: USB 3.0
  • Standard: mSATA
  • AES-256 real time hardware encryption
  • On-board keypad
  • On-board keypad
  • Dimencions: 90х55х12 mm

Encrypted disk drive 2,5" GuardDo Attache

Encrypted dick drive GuardDo Attache


  • Material: Aluminium
  • Color: Silver, black
  • Type: HDD 2.5"
  • Storage capacity: 500GB/1TB/2TB
  • Interface: USB 3.0
  • Standard: SATA I/II/III
  • AES-256 real time hardware encryption
  • On-board keypad
  • On-board keypad
  • Dimensions: 127х77х15 mm

About us

Secure GSM was founded in 2015 with main activity in development, production, introduction, installation, tuning, testing, servicing and destruction of encryption (cryptographic) media, including sertified ones, designed for cryptographic protection of the information in its processing, storage and transmission through comunication channels.

Contact us

  • Address: Bulgaria, 7700 Targovishte,
    10"Panagyurishte"Str., BC-BI, office 6
  • Phone: +359 898 778 128
  • E-mail: