operating system

Windows settings backup is on by default starting with Windows 11 26H2

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Windows settings backup is on by default starting with Windows 11 26H2 2026-11-10 at 12:03 By Anamarija Pogorelec Starting with Windows 11, version 26H2, Windows settings backup will switch on by default on eligible devices. The company renamed the feature, which launched in August 2025 as Windows Backup for Organizations, and moved the management of […]

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Amutable Foundations is a Linux system with no SSH and no package manager

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Amutable Foundations is a Linux system with no SSH and no package manager 2026-10-27 at 07:44 By Anamarija Pogorelec Amutable opened signups for the private preview of Amutable Foundations, a Linux system in which each machine sends a signed report of the software and configuration it runs, drawing on local hardware to make the report […]

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Kali Linux 2026.3 ships kernel 7.1.5, brings wardriving to the TicWatch Pro 3

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Kali Linux 2026.3 ships kernel 7.1.5, brings wardriving to the TicWatch Pro 3 2026-10-26 at 19:34 By Anamarija Pogorelec The Kali Linux team released version 2026.3 after overhauling the public build scripts it uses to produce every official image. The refreshed scripts share the same features, command-line arguments and, where possible, the same layout, so […]

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Debian 13.6 security update patches over a hundred advisories in trixie

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Debian 13.6 security update patches over a hundred advisories in trixie 2026-07-13 at 01:25 By Anamarija Pogorelec Most PCs still run with a UEFI Secure Boot certificate authority, installed by default since 2013, that has now expired. That certificate signed the bootloaders letting machines start with Secure Boot turned on. Its expiry sits at the […]

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macOS is becoming a proving ground for AI agents

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macOS is becoming a proving ground for AI agents 2026-07-08 at 08:00 By Sinisa Markovic Somewhere right now, a Mac Mini is sitting on a shelf doing someone’s chores. Nobody’s watching it. It reads a version number out of Terminal, hops over to Safari, digs up a release year, then quietly files a reminder, the […]

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Meet Fractal, an OS made for microarchitecture reverse engineering

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Meet Fractal, an OS made for microarchitecture reverse engineering 2026-05-22 at 12:17 By Sinisa Markovic Probing how a CPU isolates user code from kernel code is messy work. Researchers patch kernels, write drivers, or boot stripped-down bare-metal programs, and any of those choices change variables they were trying to hold still. Fractal, a new operating […]

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Debian 13.5 point release lands with security fixes, bug patches

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Debian 13.5 point release lands with security fixes, bug patches 2026-05-18 at 01:03 By Anamarija Pogorelec Debian 13.5 is the fifth point release for the stable distribution “trixie.” The update folds in roughly 100 Debian Security Advisories and corrections for more than 130 source packages, covering everything from the Linux kernel and Apache HTTP Server […]

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Rocky Linux launches opt-in security repository for urgent fixes

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Rocky Linux launches opt-in security repository for urgent fixes 2026-05-15 at 14:32 By Sinisa Markovic Rocky Linux has introduced a Security Repository that allows the distribution to ship urgent security fixes ahead of upstream Enterprise Linux when public exploit code exists and upstream patches are unavailable. “The repository is disabled by default. That’s intentional. The […]

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Fedora Hummingbird brings the container security model to a Linux host OS

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Fedora Hummingbird brings the container security model to a Linux host OS 2026-05-13 at 02:05 By Anamarija Pogorelec Container image security pipelines have spent the past several years pushing toward minimal footprints, hermetic builds, and continuous CVE remediation. The Fedora Project is now applying that same approach to the host operating system. At Red Hat […]

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Linux developers weigh emergency “killswitch” for vulnerable kernel functions

cybersecurity, Don't miss, Hot stuff, Linux, News, operating system, system hardening, vulnerability disclosure, vulnerability management /

Linux developers weigh emergency “killswitch” for vulnerable kernel functions 2026-05-11 at 16:48 By Zeljka Zorz Linux kernel developers are reviewing a proposal for an emergency risk mitigation mechanism (“Killswitch”) that would allow administrators to disable vulnerable kernel functions at runtime. The proposal, submitted by Linux kernel developer/maintainer Sasha Levin, arrives in the wake of the […]

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Ubuntu 26.04 LTS delivers memory-safe system tools and live patching for Arm servers

Linux, News, open source, operating system, Ubuntu /

Ubuntu 26.04 LTS delivers memory-safe system tools and live patching for Arm servers 2026-04-24 at 11:27 By Mirko Zorz Linux distributions have spent the past few years absorbing GPU vendor toolchains, Rust-based system components, and more stringent encryption defaults. Ubuntu 26.04 LTS, codenamed Resolute Raccoon, pulls most of those threads together into a single release […]

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Android 17 Beta 4 arrives with post-quantum cryptography and new memory limits

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Android 17 Beta 4 arrives with post-quantum cryptography and new memory limits 2026-04-17 at 09:24 By Sinisa Markovic Google shipped Android 17 Beta 4 on April 16, marking the last scheduled beta in the Android 17 release cycle. The build targets app compatibility testing and platform stability ahead of the final release, and it carries […]

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The fully free Linux OS Trisquel gets a major update with version 12.0 Ecne

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The fully free Linux OS Trisquel gets a major update with version 12.0 Ecne 2026-04-13 at 02:01 By Anamarija Pogorelec Trisquel GNU/Linux, a free operating system aimed at home users, small enterprises, and educational centers, released version 12.0. The release, codenamed Ecne, is declared production-ready and builds on the previous version, Aramo, with changes to […]

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Immutable Linux distribution Nitrux 6.0.0 adds GPU passthrough, boot-level recovery, C++ update system

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Immutable Linux distribution Nitrux 6.0.0 adds GPU passthrough, boot-level recovery, C++ update system 2026-03-04 at 09:38 By Anamarija Pogorelec Nitrux 6.0.0, released March 3, 2026, packages several components that security practitioners running Linux workstations will find worth examining: a new hypervisor orchestrator with IOMMU-enforced isolation, a rewritten update system with cryptographic verification, and a recovery […]

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Android 17 second beta expands privacy controls for contacts, SMS and local networks

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Android 17 second beta expands privacy controls for contacts, SMS and local networks 2026-02-27 at 14:30 By Anamarija Pogorelec Google’s second beta of Android 17 continues updates to platform behavior and introduces new APIs focused on protecting sensitive data. Protecting contact and local network data A new system-level Contacts Picker gives apps temporary access only […]

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Microsoft launches LiteBox, a security-focused open-source library OS

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Microsoft launches LiteBox, a security-focused open-source library OS 2026-02-05 at 11:29 By Anamarija Pogorelec Microsoft has released LiteBox, a project intended to function as a security-focused library OS that can serve as a secure kernel for protecting a guest kernel using virtualization hardware. LiteBox was developed in collaboration with the Linux Virtualization Based Security (LVBS) […]

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Ubuntu 24.10 Oracular Oriole brings tighter security controls

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Ubuntu 24.10 Oracular Oriole brings tighter security controls 2024-10-11 at 10:16 By Help Net Security Canonical released Ubuntu 24.10 Oracular Oriole, which brings notable advancements, including an updated kernel, new toolchains, and the GNOME 47 desktop environment, along with significant enhancements in software security. “Oracular Oriole sets a new pace for delivering the latest upstream […]

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OpenBSD 7.6 released: security improvements, new hardware support, and more!

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OpenBSD 7.6 released: security improvements, new hardware support, and more! 2024-10-08 at 21:01 By Help Net Security OpenBSD is a free, multi-platform 4.4BSD-based UNIX-like operating system. The 57th release, OpenBSD 7.6, comes with new features, various improvements, bug fixes, and tweaks. Security improvements Added -fret-clean option to the compiler, defaulting to off. This new option […]

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Inside the book: Androids – The Team That Built the Android Operating System

Android, book, cybersecurity, Don't miss, Google, Hot stuff, No Starch Press, open source, operating system, Video /

Inside the book: Androids – The Team That Built the Android Operating System 2024-02-29 at 07:03 By Help Net Security In 2004, Android was two people who wanted to build camera software but couldn’t get investors interested. Android is a large team at Google today, delivering an OS to over 3 billion devices worldwide. In […]

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Tails 5.2.0 comes with several improvements, updated Tor Browser

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Tails 5.2.0 comes with several improvements, updated Tor Browser 29/11/2023 at 13:33 By Help Net Security Tails is a portable operating system that protects against surveillance and censorship. Tails can be installed on any USB stick with a minimum of 8 GB. Tails works on most computers under ten years old. You can start again […]

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