Keep messaging, sharing sensitive files,
discussing, team working in high secure way.

Switch from e-mails, messengers to your own bastion of privacy with rooms, chats, discussions – hidden from others.

Switch to Privacy. Switch to BASTION Chat.

Start today! It’s free in community edition:

Incognito mode



A disappearing trace.

Turn on incognito mode and talk about everything without archiving messages and files.

With incognito mode, the text disappears from the archive after a finished conversation.

End-to-end encryption



Just you and your interlocutor.
Full data encryption, authentication, you’re sure you’re talking to the right person. No unpleasant surprises!

File encryption



We are setting new standards of cyber security in instant messaging. In BASTION Chat each file is sent in separately encrypted fragments.

Start using BASTION Chat


  • when you process important information (data: financial, personal, product, content of commercial agreements, etc.) and patents)
  • when you want to make sure that only you have access to your data and only you have control over it
  • when you want to be independent and have the data fully on your side.
  • finance and accounting (fintech companies, banks, accounting offices, insurance companies, brokerage offices)
  • legal and official (advocate and notary offices, court institutions, public administration bodies)
  • IT (software houses, data processing centres, hosting companies)
  • military (producers and distributors)
  • and in all companies that care about data protection and fast, secure instant messaging communication.

BASTION Chat Community

  • secure public and private rooms
  • incognito mode
  • end-to-end encryption
  • file encryption
  • text messaging
  • direct messages and team work
  • files sharing
  • and much more

Bastion blog

The last bastion of privacy


The dawn of safe Internet Our pictures, videos, lists of friends and relations with them, or even our thoughts expand external data servers. Even when not using the Internet – but is it even...

Read more

MKB Fintechlab family


Selection Camp 2019 Between 9th and 11th of January 2019, the Selection Camp took place, hosted by MKB Fintechlab right at the heart of Hungary in Budapest, with us participating in it, where over...

Read more

Instant messaging and privacy in business


In the last two weeks we organized a survey in which we asked entrepreneurs about the messenger and security. The survey was completed by 57 entrepreneurs (closed group). Do your company employees...

Read more

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