Product showcase: NetGuard open-source firewall for Android 2026-05-08 at 08:17 By Anamarija Pogorelec NetGuard is a free, open-source firewall for Android phones and tablets that provides users with a simple way to block internet access. Android does not allow VPN services to be chained, so the app uses the Android VPN service to route all […]
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Pipelock: Open-source AI agent firewall 2026-05-04 at 09:46 By Mirko Zorz AI coding agents run with shell access, environment variables containing API keys, and unrestricted internet connectivity, creating a single point of failure where one compromised tool call can leak credentials to an attacker-controlled domain. Pipelock, an open-source security harness developed by Joshua Waldrep under
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Brush shell 0.4.0 tightens script safety, widens platform support 2026-05-04 at 09:16 By Sinisa Markovic Rust-based alternatives to traditional Unix shells continue to attract users who want bash compatibility alongside built-in features like syntax highlighting and history-based suggestions. Brush, a bash- and POSIX-compatible shell written in Rust, sits in that group, and version 0.4.0 brings
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Cisco Releases Open Source Tool for AI Model Provenance 2026-05-01 at 13:57 By Eduard Kovacs The new kit aims to address risks related to poisoned models, regulatory issues, supply chain integrity, and incident response. The post Cisco Releases Open Source Tool for AI Model Provenance appeared first on SecurityWeek. This article is an excerpt from
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Open-source privacy proxy masks PII before prompts reach external AI services 2026-05-01 at 11:49 By Sinisa Markovic Enterprise developers routinely send prompts to external large language models that contain customer emails, support transcripts, and other identifying information, often without a sanitization layer between the application and the API. Dataiku has released Kiji Privacy Proxy, an
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Cisco releases open-source toolkit for verifying AI model lineage 2026-04-30 at 16:02 By Mirko Zorz Enterprises pulling models from Hugging Face and other open repositories rarely keep records of how those models are altered after download, leaving organizations with little ability to confirm what they are running in production. The State of AI Security 2026
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Proxmox Backup Server 4.2 arrives with S3 storage support and parallel sync jobs 2026-04-30 at 15:31 By Anamarija Pogorelec Proxmox Backup Server 4.2 is a maintenance and feature update built on Debian 13.4 “Trixie” that adds S3-compatible object storage as a supported backend and introduces parallel processing for sync jobs. The server ships the new
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25 open-source cybersecurity tools that don’t care about your budget 2026-04-27 at 10:30 By Anamarija Pogorelec 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 this article can help you detect threats, increase visibility, enforce controls, and investigate and respond
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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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OpenAI tackles a bad habit people have when interacting with AI 2026-04-23 at 12:17 By Sinisa Markovic Since people tend to paste personal data into AI tools such as ChatGPT, OpenAI has released Privacy Filter, an open-weight model designed to detect and redact personally identifiable information (PII) in text. The model is available under the
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Scenario: Open-source framework for automated AI app red-teaming 2026-04-23 at 09:47 By Mirko Zorz Enterprises running customer service bots, data analytics agents, and other AI-driven applications in production handle sensitive records and connect to core business systems every day. LangWatch has released Scenario, an open-source framework that runs automated red-team exercises against AI agents using
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PentAGI: Open-source autonomous AI penetration testing system 2026-04-22 at 10:09 By Anamarija Pogorelec Penetration testers have long relied on collections of specialized tools, manual coordination, and documented runbooks to work through a target assessment. PentAGI, an open-source project from VXControl, attempts to automate that entire workflow using a multi-agent AI system that plans, researches, and
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SmokedMeat: Open-source tool shows what attackers do inside CI/CD pipelines 2026-04-20 at 09:14 By Mirko Zorz Boost Security has released SmokedMeat, an open-source framework that runs attack chains against CI/CD infrastructure so engineering and security teams can see what an attacker would do in their specific environment. What the tool does SmokedMeat takes a flagged
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Product showcase: Syncthing for secure, private file synchronization 2026-04-20 at 07:52 By Anamarija Pogorelec Syncthing is a free and open-source application that synchronizes files directly between your devices. Instead of uploading data to a central server, it uses a peer-to-peer approach, transferring files whenever peers are online. This decentralized model ensures that your data remains
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Mozilla challenges enterprise AI providers with Thunderbolt, open-source AI client under your control 2026-04-17 at 14:32 By Sinisa Markovic For organizations that want to keep company data within their own systems and have more control over how AI is deployed, Mozilla is offering an alternative to externally hosted AI services with Thunderbolt, an open-source AI
Product showcase: Ente Auth encrypts, backs up, and syncs 2FA 2026-04-16 at 08:11 By Anamarija Pogorelec Two-factor authentication (2FA) is an essential layer of protection for online accounts, and Ente Auth makes it easier to manage securely across devices. Ente Auth is a free, open-source authenticator app designed to generate and store one-time passcodes for
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What changed in nginx 1.30.0 and what it means for your upstream config 2026-04-15 at 14:29 By Anamarija Pogorelec 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 security-relevant fixes and new configuration options. Keepalive to upstreams is now on
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Legitify: Open-source scanner for security misconfigurations on GitHub and GitLab 2026-04-15 at 08:18 By Anamarija Pogorelec Misconfigured source code management platforms remain a common entry point in software supply chain attacks, and organizations often lack visibility into which settings put them at risk. Legitify, an open-source tool from Legit Security, addresses that gap by scanning
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OpenSSL 4.0.0 release cuts deprecated protocols and gains post-quantum support 2026-04-14 at 18:57 By Anamarija Pogorelec OpenSSL 4.0.0 removes several long-deprecated features, adds support for Encrypted Client Hello, and introduces API-level changes that will require code updates for applications built against older versions. SSLv3, SSLv2 client hello, and engines are gone SSLv3 support has been
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DavMail 6.6.0 patches a regex flaw and advances its Microsoft Graph backend 2026-04-14 at 16:21 By Anamarija Pogorelec Organizations that run DavMail to bridge standard mail clients to Microsoft Exchange or Office 365 received an update this week. Version 6.6.0 addresses a code-scanning alert tied to a regex vulnerability, adjusts OAuth redirect handling to match
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