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Laurent Cheylus

lcheylus@bsd.network

<p>Software engineer specialized in Cybersecurity</p><p>Linux OpenBSD FreeBSD - FOSS Contributor<br />Lyon (France) addict<br />Messages in French 🇫🇷 and English 🇬🇧</p>

Posts

  • Post #4214252

    How to cut the Windows GDID (Global Device Identifier), the Tracker that follows you even through a VPN - Detailed Article and Powershell scripts available on GitHub, by Korben #Windows #Privacy https://korben.info/en/gdid-windows-cut-tracker-vpn.html

  • Post #4205744

    Quickly tested the Firefox Nightly version on my Linux desktop, not a huge fan of the UI modifications with rounded tabs and text inputs #Firefox https://blog.mozilla.org/en/firefox/new-firefox-design/

  • Post #3216746

    Import of LibreWolf browser in OpenBSD ports: modified version of Mozilla Firefox focused on privacy, security, and software freedom. Work by Leah Rowe @libreleah@mas.to (also author of Libreboot) #Firefox #OpenBSD https://marc.info/?l=openbsd-ports-cvs&amp;m=178093524651764

  • Post #2535537

    How to secure a Linux Server: an evolving How-To Guide ; Basics, SSH Server, Network, Audit... #Infosec #Linux https://github.com/imthenachoman/How-To-Secure-A-Linux-Server

  • Post #2455118

    forjego-cli: an open-source CLI application written in Rust, for interacting with Forgejo (self-hosted lightweight software forge) https://codeberg.org/forgejo-contrib/forgejo-cli

  • Post #2414657

    Credit Cards are Vulnerable to Brute Force Kind Attacks - Detailed article by Metin Ozyildirim #Infosec #Hacking https://metin.nextc.org/posts/Credit_Cards_Are_Vulnerable_To_Brute_Force_Kind_Attacks.html

  • Post #2392884

    Researchers at the University of Southern California report a new Type of Electronic Memory Device that kept working reliably at 700 degrees Celsius 🔥 #Research #Electronics https://viterbischool.usc.edu/news/2026/03/usc-scientists-build-a-memory-chip-that-survives-temperatures-hotter-than-lava/

  • Post #2366340

    Les JdLL (Journées du Logiciel Libre) auront lieu à l&amp;#39;ENS Lyon les 30 et 31 mai 2026. L&amp;#39;appel à participation est ouvert jusqu&amp;#39;au 15 mars #OpenSource #Lyon https://www.jdll.org/

  • Post #2110050

    Une très bonne synthèse sur la faille CopyFail impactant le noyau Linux : historique de la faille, mécanisme d&amp;#39;exploitation, gestion érratique de la divulgation, mitigation - par Linuxtricks #Infosec #Linux https://www.linuxtricks.fr/news/10-logiciels-libres/600-copy-fail-cve-2026-31431-synthese-technique-sur-cette-faille-linux/

  • Post #2059114

    6 major Password Managers with Tens of Millions of Users are currently vulnerable to unpatched Clickjacking Flaws that could allow Attackers to steal your Secrets - Public disclosure by Marek Tóth at DEF CON 33 #Infosec #Vulnerability https://socket.dev/blog/password-manager-clickjacking

  • Post #2013963

    FreeBSD on 2026 Google Summer of Code: NanoBSD Reimagined, Live-patching for the FreeBSD kernel, Native MPLS Support, Bluetooth Support for HID Devices... #GSoC #FreeBSD https://summerofcode.withgoogle.com/programs/2026/organizations/the-freebsd-project

  • Post #1791148

    Bilan 1 an après la sortie de Saracroche, application mobile permettant de bloquer les spams téléphoniques - Bravo à Camille Bouvat pour cette app open-source respectueuse la vie privée https://cbouvat.com/blog/1an-saracroche/

  • Post #1751552

    Fairphone is recruiting a senior Software Engineer focused on embedded &amp; Android Systems for their Software Engineering Team #Android https://fairphone.jobs.personio.com/job/2599490

  • Post #1705559

    Pantone, l&amp;#39;histoire de l&amp;#39;étrange entreprise qui détient les couleurs du monde entier - Passionnante #Video par What a Fail ! https://youtu.be/1bf6daRS6P8

  • Post #1554729

    Mandiant released an NTLMv1 Database (Rainbow Table) that will allow Defenders and Researchers (and, of course, malicious Hackers, too) to recover Passwords in under 12 Hours using Consumer Hardware costing less than $600 USD #Infosec #Passwords https://arstechnica.com/security/2026/01/mandiant-releases-rainbow-table-that-cracks-weak-admin-password-in-12-hours/

  • Post #1406602

    Initial implementation of Ownership for the V programming language ; inspired by Rust that tracks owned values and prevents use-after-move bugs at compile time #Programming #Vlang https://github.com/vlang/v/blob/master/doc/ownership.md

  • Post #1152077

    Interview de Roberto Di Cosmo à propos du projet « Software Heritage » (préservation du code source de logiciels) - Épisode du #Podcast Monde Numérique par Jérôme Colombain #Audio 🎧️ https://mondenumerique.info/podcast/monde-numerique/episode/pourquoi-il-faut-archiver-tous-les-logiciels-du-monde-roberto-di-cosmo-software-heritage

  • Post #1013502

    A 27-year-old OpenBSD Vulnerability found in TCP SACK assessing Claude Mythos Preview’s Cybersecurity Capabilities ; other Bugs found in FFmpeg, FreeBSD NFS, Linux kernel... #OpenBSD #Infosec https://red.anthropic.com/2026/mythos-preview/

  • Post #806439

    How to build and install the Electrum Bitcoin Wallet on OpenBSD - Short article by Aaron Miller @aaronm04 #OpenBSD #Bitcoin ₿ https://iforgotmy.name/articles/2026-03-12-electrum-on-openbsd.html

  • Post #784467

    Abaddon: an alternative Discord Client with Voice Support made with C++ and GTK 3, without Electron #OSS #Discord https://github.com/uowuo/abaddon

  • Post #570825

    Researchers at IMDEA Networks Institute, together with European partners, have found that Tire Pressure Monitoring System (TPMS) in modern Cars can unintentionally expose Drivers to Tracking #Infosec #Privacy https://techxplore.com/news/2026-02-car-sensors-track.html

  • Post #510496

    Motorola announces a partnership with GrapheneOS Foundation ; they will work to strengthen Smartphone Security and collaborate on future Devices engineered with #GrapheneOS compatibility https://motorolanews.com/motorola-three-new-b2b-solutions-at-mwc-2026/