Release History

Overview

The evolution of Securonis is complete. Cyrethium arrives with major changes and a much more secure architecture. obfs4 Tor bridges are now supported. Cyrethium is offered in two Core editions and two Respins. Detailed documentation for both the system and the tools is now available.

New Features

• New Desktop — Completely redesigned desktop layout and look.
• Hardened Firefox — A Firefox variant hardened for security and tuned for daily use.
• Amnesic Firefox — Strong privacy focus; erases all usage traces on exit.
• Anti-Exploit Suite — Framework capable of detecting various system attacks.
• AntiForensic-Settings — More thorough log, RAM, and swap cleanup on shutdown.
• Chaosec — Advanced tool that blends fake traffic with real traffic to resist traffic analysis.
• Cyrethonion — Now supports obfs4 bridges and uses stricter, safer routing rules.
• Plaztek — Fast and flexible bubblewrap-based rule-driven sandbox.
• NetSecDragon — Toolset capable of detecting 802.11 attacks.
• OpenMammoth-FW — Strict firewall configuration that activates when Tor is not in use.
• FangbullCrypt — Age-based file encryption tool.
• Riki — Advanced steganography (data hiding) tool.
• USB Toolkit — Securely wipes USB drives.
• AppArmor Profiles — Custom AppArmor profiles for critical tools.
• Cyrethonion Tray — System tray integration for MATE panel.
• Cyrethium-Jails — Helper utility that simplifies Firejail usage.
• Network Stats — Detailed network statistics and connection info.
• FastCrypt — Successor to VesperaCrypt; name and logo changed.
• Conky Manager — Manage Cyrethium's conky configurations.
• Cryptocurrency Security Tools — A set of 7 tools for crypto security.
• CoinWatch — Track cryptocurrency prices from the terminal.
• ChangeHostname — Randomizes hostname.
• Cyrethium USBGuard — USBGuard configuration utility against physical attacks.
• System Info — View system information via GUI.

Improvements

• More Hardened — Multi-layered hardening across the system.
• Reduced Attack Surface — Potentially risky kernel modules disabled via modprobe.
• ChangeMac Improved — Now router-independent and more capable MAC changer.
• Additional AppArmor — Some critical core tools additionally protected by AppArmor.

Removed Features

• Nuke2System — Removed due to security concerns.
• Nevermore — A shred-based wiper removed due to redundancy.
• PxrtalCrypt — Removed due to low usage.

Bug Fixes

• Metadata Cleaner — Fixed an issue that corrupted some photos after metadata removal.
• Secure Eraser — Added protection to prevent accidental deletion of critical system files.
• Live Mode — Fixed an issue where the screen could not be unlocked.
• Cyrethonion Watchdog — Automatically restarts the router when connectivity flaps during Tor routing.

Developer Notes

• Cyrethium now addresses multiple user profiles with 2 Core editions and 2 Respins.
• Core Editions — Cyrethium (full privacy, security, crypto, IDS, encryption suite) and Cyrethium Lite (lightweight, GUI-focused with essential privacy tools).
• Respins — Root0Edition (Tor routing + MAC change only; GNOME Wayland; minimal attack surface) and Zenrethium (tool-free minimalist Core-based edition).
• Complete documentation now available for all tools and system features.
• Improved installer with better disk partitioning options.

Overview

In this release, the system is hardened by default, significantly enhancing security. The new hardening structure is specially designed to balance everyday usability with robust protection. The Tor infrastructure and interface have been completely redesigned to be much more stable and secure. Additionally, the system automatically cleans all traces upon shutdown, maximizing user privacy.

New Features

• Moneronis - A CLI menu tool that simplifies Monero usage.
• Paranoia - Now enforces much stricter network isolation.
• New Applications - Qtox, LibreOffice, Kleopatra, and KeePassXC have been added.
• Securonis Cleanup - Cleans all traces from the system on shutdown, including swap and RAM.
• Securonis Antifingerprint - Services that make digital fingerprinting detection more difficult.
• Seconionis - The infrastructure has been redesigned for improved security and stability.
• New GTK Router Menu - Now much easier to manage with the new GTK menu.
• UFW and Haveged - Enabled by default.
• Firescorpion Browser - Now has more secure and stricter settings and extensions updated.
• Root0 Hardening - Flexible hardening services added that apply network and system hardening settings.
• Armor Hardening - Hardens permissions of critical system files at every startup.
• Security-misc - Security settings forked from Kicksecure, but significantly relaxed due to their strictness.
• Anonboot - Generates a random hostname at every startup.

Improvements

• Minor bugs in some tools have been fixed.
• Kernel Upgraded - Default kernel upgraded from 6.12.31 to 6.12.33.

Removed Features

• ProtonVPN - Removed due to access restrictions in some countries that prevented updates.
• Tor Browser Bundle - Removed to prevent Tor-over-Tor issues.
• OpenMammoth Lite - Removed as it was unstable and redundant.
• System Hardening Settings - Removed since the system now includes balanced hardening by default.

Bug Fixes

• Minor but important bug fixes improving system stability and performance.

Developer Notes

• Firescorpion browser is extremely hardened and may have issues on some websites.
• AppArmor is not enabled in Live mode; it becomes active after installation.
• Only download the ISO from the official SourceForge page. Do not trust unofficial sources.

Overview

Resolves installation issues encountered on EFI-based systems.

Bug Fixes

• Fixed incompatibility of the new GRUB version with Calamares that caused installation failures.

Overview

Resolves the Autostart issue with Tor redirection and significantly speeds up ColdBootDef.

Bug Fixes

• Seconionis Autostart reliability fixed; now works properly.
• ColdBootDef now uses the much faster and more secure Seconionis Autowipe.

Overview

Securonis Linux 3.0 is the biggest update so far. This version includes many new tools, bug fixes, and theme improvements. Additionally, this version says goodbye to the GNOME desktop environment; Securonis will no longer offer GNOME versions.

New Features

• FireScorpion Browser - A hardened Firefox customization for privacy and security. Blocks ads and tracking.
• Data Destroyer - A GUI tool that securely erases data by overwriting it.
• System Knight - A client for malware and rootkit scanning.
• OpenMammoth Lite - Migrated to the more stable and faster OpenMammoth Lite edition.
• New Password Manager - Redesigned from scratch with a brand-new interface.
• New Nuke2System - Redesigned from scratch as a separate tool.
• New Paranoia - Redesigned from scratch as a separate tool.
• New PhysicalSec - Redesigned from scratch as a separate tool.
• System Hardening Settings - Now offers two new kernel settings: Performance and Extreme hardening.
• Speedtest - A CLI tool that measures internet speed.
• ColdBootDef - Clears RAM during system shutdown to prevent cold boot attacks.
• Theme Update - New theme added and some icons fixed.
• I2P Router Menu - Interface renewed and bugs fixed.
• System Control Panel - Some unnecessary sections removed and additional features added.
• System Manager - Some unnecessary sections removed and additional features added.

Improvements

• Minor performance improvements across the system.
• Minor bugs in some tools have been fixed.
• Kernel Upgraded - Default kernel upgraded from 6.12.27 to 6.12.30.

Removed Features

• GNOME Desktop Environment - Completely removed and no longer offered.
• Panic Mode - Removed; its three critical features are now three separate tools.
• Netxtrack - A Wireshark alternative removed as it was unnecessary and complex.
• Other Tools - Symonitoring and Netraffic removed.

Bug Fixes

• Command error issues in Seconionis fixed; error messages are now clearer.
• Auto Start bug in I2P Router Menu fixed.
• Network interface detection issue with OpenMammoth Lite has been fixed.

Overview

Fixes the black screen issue during boot on some systems.

Bug Fixes

• Fixed the black screen issue during boot on some systems.
• Removed some packages suspected to cause the issue.

Overview

Adds a new icon theme and fixes some minor bugs.

New Features

• New Icon Theme - A new and more modern icon theme.
• QuickUSBKit - Updated and bugs fixed.
• Fixed Driver Problems - Driver issues resolved.
• Securonis Notes - Updated, bugs fixed, and enhanced security.

Improvements

• Kernel Upgraded - Default kernel upgraded from 6.12.25 to 6.12.27.

Bug Fixes

• Various minor bugs have been fixed.

Overview

Fixes some vulnerabilities and improves default security posture.

New Features

• AppArmor Fixed - Corrected Debian's incorrect AppArmor configuration.