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Microsoft Agent Governance Toolkit
Microsoft releases open-source toolkit to govern autonomous AI agents

AI agents can book travel, execute financial transactions, write and run code, and manage infrastructure without human intervention at each step. Frameworks like LangChain, …

OpenSSH
OpenSSH 10.3 patches five security bugs and drops legacy rekeying support

OpenSSH 10.3 shipped carrying five security fixes alongside feature additions and a set of behavior changes that will break compatibility with older SSH implementations that …

rspamd
Rspamd 4.0.0 ships memory savings, a new scan protocol, and a required migration step

The open-source spam filtering platform Rspamd released version 4.0.0, delivering infrastructure changes across its scan protocol, memory model, hash storage, and …

open-source cybersecurity tools
Hottest cybersecurity open-source tools of the month: March 2026

Presented here is a curated selection of noteworthy open-source cybersecurity solutions that have drawn recognition for their ability to enhance security postures across …

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 …

ShipSec Studio
ShipSec Studio brings open-source workflow orchestration to security operations

Security teams have long relied on a mix of shell scripts, cron jobs, and loosely connected tools to chain reconnaissance and vulnerability scanning work together. ShipSec …

Tails
Tails 7.6 ships automatic Tor bridge retrieval and a new password manager

Tails 7.6 is out, and for users operating on networks that block Tor, the most consequential addition is built-in bridge retrieval. The Tor Connection assistant can now detect …

Plumber
Plumber: Open-source scanner of GitLab CI/CD pipelines for compliance gaps

GitLab CI/CD pipelines often accumulate configuration decisions that drift from security baselines over time. Container images get pinned to mutable tags, branches lose …

Samba
Samba 4.24.0 ships Kerberos hardening and a CVE fix for domain encryption defaults

Samba 4.24.0 arrived carrying a set of Kerberos security changes aimed at Active Directory deployments. The release fixes a vulnerability, extends audit coverage for sensitive …

Betterleaks
Betterleaks: Open-source secrets scanner

Secrets scanning has become standard practice across engineering organizations, and Gitleaks has been one of the most widely used tools in that space. The author of that …

VulHunt
VulHunt: Open-source vulnerability detection framework

Binarly has published VulHunt Community Edition, making the core scanning engine from Binarly’s commercial Transparency Platform available to independent researchers and …

Cloud-audit
Cloud-audit: Fast, open-source AWS security scanner

Running AWS security audits without a dedicated security team typically means choosing between enterprise platforms with per-check billing and generic open-source scanners …

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