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#linuxsecurity

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Public
Freexian :debian:

Interested in how Debian LTS works and what’s ahead?

The recorded BoF session from #DebConf25 is now online!

The session had engaging discussions on having point-update “releases” for LTS with Debusine, packaging security updates for firmware-nonfree, ca-certificates, and work towards compliance with new regulations like the #CRA.

Watch the recording here: meetings-archive.debian.net/pu

#debian#debianLTS#linuxsecurity
Public
Freexian :debian:

Debian 13 “trixie” is now the new Debian stable!

It will be supported for the next 5 years by the Debian Security team (security-team.debian.org/) and Debian LTS (wiki.debian.org/LTS) team, with up to 10 years of support via Freexian’s Extended LTS (freexian.com/lts/extended/).

A big congratulations and thank you to everyone who made this release possible!

security-team.debian.orgDebian Security Team
#debian#debian13#trixie
Public
Freexian :debian:

UEFI Secure Boot Signing with Debusine

How do you handle Secure Boot signing for Debian-based systems?

We've just published a detailed write-up on how Freexian uses Debusine to manage UEFI Secure Boot signing for Debian 10 ELTS.
If any part of your work touches Secure Boot, package signing, or reproducible infrastructure for Debian distributions, it’s a relevant read.

It covers:
* How signing workers are set up
* Secure Management of private keys
* Workflows to automate the tasks involved
* Future plans for extending the signing system and for better key protection

Read the post: freexian.com/blog/debusine-sec

If you're working on a Debian derivative and facing similar challenges, we’d love to hear from you: sales@freexian.com

Freexian · Secure boot signing with DebusineDebusine aims to be an integrated solution to build, distribute and maintain a Debian-based distribution. At Debconf 25, we talked about using it to pre-test uploads to Debian unstable, and also touched on how Freexian is using it to help maintain the Debian LTS and ELTS projects. When Debian 10 (buster) moved to ELTS status in 2024, this came with a new difficulty that hadn’t existed for earlier releases. Debian 10 added UEFI Secure Boot support, meaning that there are now signed variants of the boot loader and Linux kernel packages.
#Debian#UEFI#SecureBoot
Public
leHACK

🇬🇧✨ You just finished your morning workout. Coffee in hand. Then… 💣 your SOC calls.
Melina PHILLIPS invites you into the dramatic world of post-compromise Linux incident response at #leHACK 2025.
From rogue services to log analysis, learn how to turn digital chaos into clarity—and maybe even have fun doing it.
🗓️ 27 june
🕐 5:45pm
🔗 lehack.org/2025/tracks/confere
🎟️ Late bird : billetweb.fr/lehack-2025-the-s
Bring your coffee. Bring your courage.
#IncidentResponse #LinuxSecurity #leHACK

GIF
Public *
Linux G. Fossman

@triskelion @purism I appreciate what GrapheneOS and other projects are doing. I wish gOS good luck in:
- getting early access to future #AOSP sources as development is no longer public.
- fixing the myriad of #Google shenanigans with the OS and Chromium.
- getting mental health help for the main developer - he deserves all the help he can get.

Unlike gOS, #Linuxphone development is not riding on decades of Google funded development of the OS. Progress is therefore slower but it is improving gradually.

Besides #PureOS, there is also #Mobian and #postmarketOS - I especially look forward to the latter's future #ImmutableOS version which would have security benefits as well.

#linuxmobile#linuxsecurity#freesoftware
Public
thereisnoanderson

NEW - ⛸️🧱🖥️

DCG Domain Blocklist available - last updated 2025/04/14

1692406 - Domains blocked with that build !

🦜
🐻
Supercharging your content blocker to increase privacy and security.

All available lists:
- uBlockOrigin
- Hosts format & Hosts format with wildcards
- dnsmasq with wildcards

🌳
Ready to use lists combined from many permissively licensed sources.

divested.dev/pages/dnsbl

#divested #DivestedComputingGroup

#DCG

#fsf #FUTO #Fedora #codeberg #hardening #linuxtech #cybersec #cybersecurity #infosec #antivirus #hackernews
#opensource #linuxsecurity #vulnerabilities #vulnerability #alpinelinux #router #skynet #foss #freeyourmind

divested.devDnsbl - Divested Computing
Public *
thereisnoanderson

NEW - 🛡️ 🖥️ 🛡️

DCG Brace Build 2025/04/04 - 1

Release Note: Fix bluetooth on F42

🦜
🐻
Toolkit compatible with multiple Linux distros that allows for installation of handpicked applications, along with corresponding configs that have been tuned for reasonable privacy and security.

🌳
Compatibility:
Arch Linux
CentOS 9/Stream
Debian 12
Fedora 39/40/41 (preferred)
openSUSE Tumbleweed
🌳
codeberg.org/divested/brace

#divested
#DivestedComputingGroup
🌳
#fsf #FUTO #Fedora #codeberg #hardening #linuxtech #cybersec #cybersecurity #infosec #antivirus
#opensource #linuxsecurity #vulnerabilities #vulnerability #alpinelinux #skynet #foss #freeyourmind

Codeberg.orgbraceToolkit compatible with multiple Linux distros that allows for installation of handpicked applications, along with corresponding configs that have been tuned for reasonable privacy and security.
Public
thereisnoanderson

NEW - ⛸️🧱🖥️

DCG Domain Blocklist available - last updated 2025/04/01

1688453 - Domains blocked with that build !

🦜
🐻
Supercharging your content blocker to increase privacy and security.

All available lists:
- uBlockOrigin
- Hosts format & Hosts format with wildcards
- dnsmasq with wildcards

🌳
Ready to use lists combined from many permissively licensed sources.

divested.dev/pages/dnsbl

#divested #DivestedComputingGroup

#DCG

#fsf #FUTO #Fedora #codeberg #hardening #linuxtech #cybersec #cybersecurity #infosec #antivirus #hackernews
#opensource #linuxsecurity #vulnerabilities #vulnerability #alpinelinux #router #skynet #foss #freeyourmind

divested.devDnsbl - Divested Computing
Public
thereisnoanderson

NEW - ⛸️🧱🖥️

DCG Domain Blocklist available - last updated 2025/03/17

1697005 - Domains blocked with that build !

🦜
🐻
Supercharging your content blocker to increase privacy and security.

All available lists:
- uBlockOrigin
- Hosts format & Hosts format with wildcards
- dnsmasq with wildcards

🌳
Ready to use lists combined from many permissively licensed sources.

divested.dev/pages/dnsbl

#divested #DivestedComputingGroup

#DCG

#fsf #FUTO #Fedora #codeberg #hardening #linuxtech #cybersec #cybersecurity #infosec #antivirus
#opensource #android #linuxsecurity #vulnerabilities #vulnerability #alpinelinux #router #skynet #foss

divested.devDnsbl - Divested Computing
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