Notre article offert de la semaine explore les principales menaces pesant sur les services web exposés et présente des contremesures efficaces pour limiter leur exposition : connect.ed-diamond.com/misc/misc-13....

#cybersécurité #hardening #compromission

Harden your UniFi Controller with a systemd drop-in: sandboxing, read-only filesystem, private tmp, and memory caps. Solid hardening on Ubuntu 22.04+/Debian 12+.

https://www.valtersit.com/vault/harden-unifi-controller-with-systemd-sandboxing-and-resource-6bd076/

#unifi #systemd #hardening

Catch systemd unit syntax errors with systemd-analyze verify and score sandboxing exposure (0.0 to 10.0) via systemd-analyze security before deploying.

#systemd #hardening #ValtersIT

https://www.valtersit.com/vault/validate-and-analyze-unit-hardening-score-before-deployment-db6f18/

IPMI en un servidor dedicado: qué expone y cómo blindarlo #BMC #Hardening #IPMI #Servidores 

CIS Level 1 SSH hardening without touching the vendor sshd_config: use a numbered drop-in like 50-cis.conf in /etc/ssh/sshd_config.d. Later files override earlier ones, so upgrades https://www.valtersit.com/vault/harden-ssh-daemon-to-cis-level-1-with-sshdconfig-dropin-38afeb/
#ssh #hardening #cis

El lado del mal - Naked Sun: Fragmented Jailbreak Attacks in Multi-Agents & Jailbreak Monitor (JAMON) www.elladodelmal.com/2026/10/nake... #FragmentedJailbreak #AgenticAI #MAS #Hacking #Hardening #IA #AI #LLM #Jailbreak

Hardening Ubuntu 24.04 and Docker: Cloudflare Origin Isolation, Swap Resilience, and Zero-Trust SSH ⚡

Read the full article:
https://techloverhd.com/2026/10/harden-ubuntu-24-04-docker-cloudflare-origin-isolation-guide/

#ubuntu #docker #security #cloudflare #sysadmin #linux #hardening

I released a new version of my #WordPress performance plugin #Autoptimize this weekend, some small fixes & tweaks, but mainly #security #hardening to keep things safe ;-)

https://wordpress.org/plugins/autoptimize/advanced/

Took a shot at /usr, made it writable, systemd‑analyze still at 1.5. Turns out the score didn’t budge. Here’s the war story.

#Systemd #Security #Hardening #Linux

https://mustafaerbay.com.tr/en/blog/tutorials/usr-yazilabilir-yaptim-systemd-analyze-15-ok-dedi/

🐀Viviamo ai margini.
Ci adattiamo. Impariamo. Resistiamo.
Puoi spegnere un server, non un'idea.

#nextred #nros #nextredos #minimal #simple #design #secure #hardening

Audit ELF mitigations at scale. Batch-scan binaries for NX, PIE, RELRO, and Canaries by parsing program headers and symbol tables using checksec and readelf.

#checksec #hardening #ValtersIT

https://www.valtersit.com/vault/audit-binary-mitigations-at-scale-with-checksec-and-readelf--fc65d8/

Seguridad de Windows: Qué Protege de Verdad y Qué Deja Fuera #Hardening #Ransomware #Windows #WindowsDefender 

THE WORLD WILL NEVER BE THE SAME: Berlin has invaded Zimbabwe with the leadership of Kit Bodega. #hardening

Harden supervisord by replacing TCP ports with a local UNIX domain socket. Restrict supervisorctl access using strict POSIX permissions (chmod/chown). #supervisor #hardening #ValtersIT

https://www.valtersit.com/vault/secure-unix-socket-control-interface-with-strict-file-permis-d86b48/

Kernel config tweak improves Rust testing by adjusting randstruct default

Randstruct is now off by default when a Rust toolchain is available, allowing allmodconfig builds to include Rust.

#BuildSystem #Hardening #Kconfig #Rust

https://kerneldispatch.com/posts/mainline-2026-09-03