Jump to main content
Talk to us
Cyberus Blog

Notes from a team building sovereign infrastructure

Insights, engineering updates and best practices around secure infrastructure, virtualization and long-term maintainability.

CTRL-OS 26.05: NixOS Innovation with 5-Year Stability

Confidential Computing in 2026

Long-Lived, Certifiable Robots with NixOS and CTRL-OS

FOSDEM 2026 Talk: Declarative VMs with NixOS

On the Road to NixOS LTS with CTRL-OS

CTRL-OS Open Beta: CRA-Ready NixOS with 5-Year Enterprise Support Now Available

Windows 11 on Cloud Hypervisor

Unlocking CRA Compliance with Sustainable Open-Source Foundations

Isolating Open-Source Software with Virtualization to Comply with the CRA

NixOS for Programming-Exam Environments

Cyberus at OceanSprint 2025

Simplifying OpenStack Deployment & Testing with NixOS: Introducing openstack-nix

Cyberus at Embedded World: A Virtualized Arcade Machine

Securing The Past Efficiently: Measuring the Cost of Virtual Machine Introspection

NixOS on ARM: Rock 5 B

Mastering Nix Packaging: CMake Projects with Corrosion and Rust Dependencies

Case Study: Cyberus Hypervisor in secunet medical connect

Building Embedded Systems That Last Decades with NixOS

Introducing Long-Term Support for NixOS: 5 Years of Stability and Security for Critical Systems

Automated Benchmarking for Virtualization: How We Optimize System Performance with Nix and WFVM

Simplify Your SR-IOV Setup: A Guide to NixOS Modules and specialisations

Maximizing Uptime: The Power of Live Migration for Seamless Software Updates

microvm.nix: The Declarative Virtualization Tool for NixOS

Securing the Past: How Virtual Machine Introspection Protects Legacy IT Systems

Case Study: Automating hardware-dependent tests for passport readers

Securing Legacy Software Applications

Modernizing a legacy Traffic Light with KronoCore

The Value of Nix/NixOS in our Engineering

Nested Virtualization Bug Hunting with Cyberus Guest Tests

Nested Virtualization for the KVM Backend for VirtualBox

Testing Virtualization Stacks by Utilizing Mini Operating System Kernels

Fully Automated On-Hardware Testing

Introducing enclosed: Simplified Compartmentalization and VM Management

Graphics Virtualization Support in KVM Backend for VirtualBox

KVM Backend for VirtualBox technical deep-dive

KVM Backend for VirtualBox public release

The case for legacy software

Student Thesis: A Policy-Free System-Call Layer for the Hedron Microhypervisor

Cyberus Technology Gives Keynote at Symposium on the Science of Security (HotSoS)

Cyberus Technology Presents new Perspectives on Virtual Machine Introspection at Biggest German IT Security Congress

TSX Asynchronous Abort

Bygone, forgotten, over? One year after Meltdown of processor security

ZombieLoad: Cross Privilege-Boundary Data Leakage

L1 Terminal Fault Vulnerability

Intel LazyFP vulnerability: Exploiting lazy FPU state switching

Spectre V4: Store-Load Vulnerability

Windows on iSCSI - Part 3/3

Windows on iSCSI - Part 1/3

Windows on iSCSI - Part 2/3

Meltdown