Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
open-source security tools
25 open-source cybersecurity tools that don’t care about your budget

Regardless of the operating system you use, managing secrets, apps, cloud, compliance, and security operations can be overwhelming. The free, open-source tools presented in …

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

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, …

access
Raspberry Pi OS 6.2 disables passwordless sudo by default

Raspberry Pi OS 6.2, based on the Trixie version, introduces small changes, bug fixes, and disables passwordless sudo by default for new installations. Screenshot of password …

NGINX
What changed in nginx 1.30.0 and what it means for your upstream config

nginx 1.30.0 brings together features accumulated across the 1.29.x mainline series. The release covers a broad range of changes, from protocol support additions to …

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

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 …

Little Snitch for Linux
Little Snitch for Linux shows what your apps are connecting to

Network monitoring on Linux has long been a gap for users who want per-process visibility into outbound connections. Existing tools either operate at the command line or were …

chaos malware
Chaos malware expands from routers to Linux cloud servers

Chaos, Go-based malware first documented by Lumen’s Black Lotus Labs, has historically targeted routers and edge devices. A new variant observed in March 2026 shows the …

Flatpak
Flatpak 1.16.4 fixes sandbox escape and three other security flaws

Flatpak, a Linux application sandboxing and distribution framework, released version 1.16.4, patching four security vulnerabilities. The most severe fix addresses a complete …

Linux
SystemRescue 13 updates its kernel to Linux 6.18 LTS, adds new recovery tools

Bootable Linux recovery environments occupy a specific niche in the systems administration and incident response toolkit. SystemRescue, an Arch-based live distribution built …

malicious package
TeamPCP strikes again: Backdoored Telnyx PyPI package delivers malware

TeamPCP continues is supply chain compromise rampage, with telnyx on PyPI being the latest maliciously modified package. What happened? Telnyx is a widely used software …

Linux malware
Researchers release tool to detect stealthy BPFDoor implants in critical infrastructure networks

Telecommunications providers around the world have been dealing with the burrowing efforts of the China-linked APTs for many years now. To help them identify hard-to-detect …

Oracle Linux
Unbreakable Enterprise Kernel 8.2 ships with confidential computing support, XFS live repair

Many enterprise Linux deployments rely on hardware-level memory isolation to protect sensitive workloads from co-tenants and compromised hypervisors. Oracle’s …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released when there is breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools