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Hannes Mehnert 2017-11-05 18:47:48 +00:00
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About
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## Contact
If you want to get in contact with us, write an email to us AT robur DOT io.
If you want to get in contact with us, write an email to team@robur.io.

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---
title: What is robur?
---
At robur, we build performant bespoke minimal operating systems for high-assurance services.
With our approach to systems development we provide the following advantages for you:
* systems based on the unikernel pioneer [MirageOS](https://mirage.io)
* secure implementation guarded against memory corruption, typelevel problems, leaky abstraction and unforeseen state
* ready for the cloud, services run on all major hypervisors
* instant boot
* competitive performance comparable to C
* can target embedded devices because of small size and the ability to compile to native code
* minimized state allows to reason about entire systems and their adherence to the specification
* extensive library ecosystem, yet minimal trusted code base at runtime
* rapid prototyping with a seamless path from prototype to production
Computers on the Internet get compromised mostly to gain or block access to data.
Computers on the Internet get compromised mostly to gain or block access to data:
User data is being downloaded, leaked and sold, or ransomware blocks access to user data until a fee
is paid. Other common attacks target compute resources, to use them in denial of service
attacks or to manipulate opinion with chatbots.
@ -22,28 +11,28 @@ Common software stacks often include legacy parts at runtime that provide unnece
Critical security updates are rarely deployed on time, because they result in unforeseen behaviour. Also, lots of embedded
devices are missing a secure update channel.
[//]: # (====== marker fuer linse - aber ein comment in markdown)
We at robur are building minimal services, called *unikernels*, from scratch with security in mind,
instead of trying to fix decades-old software designed based on demands from earlier days.
Each
service is executed as a virtual machine on any major hypervisor, and contains only the
strictly necessary code.
The number of lines and the binary size of a unikernel with HTTP
and TLS support is around 4% compared to a virtual machine using a conventional
UNIX / Linux operating system.
The security of a unikernel is improved by the reduction of the attack surface.
At robur, we build performant bespoke minimal operating systems for high-assurance services.
With our approach to systems development we provide the following advantages for you:
* cutting-edge systems programming and security research
* systems based on the unikernel pioneer [MirageOS](https://mirage.io)
* secure implementation guarded against memory corruption, typelevel problems, leaky abstraction and unforeseen state
* ready for the cloud, services run on all major hypervisors
* instant boot (milliseconds)
* competitive performance (TLS 85% the speed of OpenSSL) comparable to C
* can target embedded devices, small size (~4% size of UNIX based system), compilation to native code
* minimal codebase without mutable state allows to reason about entire systems and adherence to specification
* extensive library ecosystem, yet minimal trusted code base at runtime
* rapid prototyping with a seamless path from prototype to production
* possibility to formally verify important parts with a therorem prover
Our unikernels are implemented in a functional programming language with a static
type system and automated memory management.
Buffer overflows and double frees are no concern to us.
A unikernel avoids these common attack vectors by the choice of the programming language.
We can prototype rapidly, because the type system detects errors early, and we don't need to manage memory by hand.
Turning a prototype into production is usually a question of fine-tuning its performance.
Our team is eager to develop applications for high assurance, which seamlessly
integrate in your existing infrastructure. Contact us and we'll collaboratively
develop a more secure architecture and a smooth migration plan for your
organization. And we'll implement and deploy this together at your organization.
We bring a variety of solutions, including basic network services, DNS, DHCP,
TLS, persistent storage (like git), and are happy to expand these to your needs.
Our declarative programming style makes it even possible to
formally verify an entire virtual machine using a theorem
prover.
The boot time of a unikernel can be measured in a few milliseconds, redeployment
after updates is instantaneous. We can create unikernels on demand.
Take a look at our [technology](/Technology), learn about our [concept and
team](/About) or browse some [project](/Projects). You can reach us by mail at
team@robur.io.