Tag feed

#apparmor

11 posts0 followers

Explore Hashnode

Alternatives

Trending tags this week

MBMatt Browncloudsecburrito.comApr 27 · 10 min read

From Capabilities to AppArmor: Layering Linux Runtime Security

Over the past year I have written ad nauseum about Linux security primitives. And of course quite a bit of time has been dedicated to how these connect into Kubernetes. Some of the cooler aspects incl

0

RRelunSecunlockoldupload.hashnode.devApr 18 · 3 min read

Turn Off Security Headers using CVE-2026-33691

CVE-2026-33691 (aka UnlockOldUpload as it alias) is a vulnerability on the CRS that affected those following upload rules (933110, 933111, 944140, 932180), that it allows to a hacker to bypass the mos

0

ACAlex Callejasrootzilopochtli.comOct 25, 2025 · 7 min read

Seguridad Reforzada en Linux: SELinux y AppArmor

En el mundo de la administración de sistemas Linux, la seguridad es primordial. Más allá de las herramientas de control de acceso discrecional (DAC) como los permisos de archivo tradicionales, los administradores profesionales recurren a mecanismos d...

0

TGTathagat Gaikwadcloudenthusiastic.hashnode.devSep 25, 2025 · 3 min read

🛡️ Understanding SELinux & AppArmor Basics: A Practical Guide for DevOps & SysAdmins

Security in Linux systems is often misunderstood as just setting permissions or configuring firewalls. But when applications misbehave or attackers exploit vulnerabilities, we need something stronger. That’s where Mandatory Access Control (MAC) syste...

0

MBMatt Browncloudsecburrito.comJun 24, 2025 · 14 min read

Kubernetes Runtime Enforcement with KubeArmor

In this post, we’re finally wrapping up our story on KubeArmor — and Linux Security Modules (LSMs) more broadly. In Part 1, we slogged through the brutal process of working with raw AppArmor: manual profiles, confusing syntax, and a general sense of ...

0

MBMatt Browncloudsecburrito.comJun 10, 2025 · 8 min read

Kubernetes Runtime Enforcement with KubeArmor

In the last post, we rolled up our sleeves and built a minimal AppArmor profile from scratch — one script, one path, one rule at a time. We also applied it inside Kubernetes to block a pod from writing to /tmp. It worked well — but it’s not exactly s...

0

MBMatt Browncloudsecburrito.comJun 3, 2025 · 9 min read

Kubernetes Runtime Enforcement with KubeArmor

When I took my Linux Certified Sysadmin course in 2021, I was expecting a crash course in package managers, terminal commands, Bash scripting, storage, networking, etc. And I did get a ton of that — and more. There was one interesting part I didn’t p...

0

SCSnigdha Chaudharisnigdhachaudhari.hashnode.devJan 10, 2025 · 4 min read

Why AppArmor is a Game-Changer for Linux Security

In an era dominated by containerization, microservices, and multi-user environments, ensuring robust security is no longer optional—it's critical. Enter AppArmor (Application Armor): a lightweight yet powerful Linux security module that delivers fine...

0

BKBrian Kingsolodev.appDec 8, 2024 · 5 min read

Security and Hardening for Ubuntu 24.04 LTS.

TL;DR. This post provides a comprehensive guide to securing and hardening an Ubuntu 24.04 LTS system. It covers essential steps such as updating the system, configuring unattended upgrades, setting up a firewall with UFW, installing Fail2Ban to preve...

0

TMTanishka Marrottcloud-design-diaries.hashnode.devOct 13, 2024 · 3 min read

Mastering Container Security (Real-Practical Steps for Building Safer, Resilient Workloads)

Containerized environments have taken over modern infrastructure, but with great convenience comes even greater security risks. Let’s face it, securing containers isn’t optional—it’s mandatory. And if you’re still deploying containers without giving ...

0

#apparmor

Search Hashnode

#apparmor

Explore Hashnode

Trending tags this week

From Capabilities to AppArmor: Layering Linux Runtime Security

Turn Off Security Headers using CVE-2026-33691

Seguridad Reforzada en Linux: SELinux y AppArmor

🛡️ Understanding SELinux & AppArmor Basics: A Practical Guide for DevOps & SysAdmins

Kubernetes Runtime Enforcement with KubeArmor

Kubernetes Runtime Enforcement with KubeArmor

Kubernetes Runtime Enforcement with KubeArmor

Why AppArmor is a Game-Changer for Linux Security

Security and Hardening for Ubuntu 24.04 LTS.

Mastering Container Security (Real-Practical Steps for Building Safer, Resilient Workloads)