Skip to content
Sedat Özdemir

Posts on docker

10 posts on docker. Notes from public sources and my own test lab.

A Stowaway on the Container Ship: Hidden Dangers Behind Images and Safe Harbors

We used to brag about uptime records; now we get suspicious if a container lives longer than five minutes. Let's dive into why 'it’s dockerized' doesn't mean 'it's secure' and how to stop hidden threats in your image layers.

July 8, 2026·3 dk readcontainer-securitydevsecopsdocker

The Calm Before the Runtime Storm: Container Escapes and Monitoring Strategies

The moment you spot `cap_sys_admin` in a privileged container, isolation is essentially dead. Let’s talk about how containers break, why the privileged flag is a disaster, and how to actually lock things down.

June 5, 2026·3 dk readcontainer-securitydevsecopsdocker

From Docker Socket to Root Shell: Is Container Isolation an Illusion?

A deep dive into how misconfigured Docker containers, privileged flags, and exposed sockets turn your 'secure' environment into a playground for Red Teamers.

May 27, 2026·3 dk readcontainer-securitydevsecopsdocker

A Tale of Isolation and Container Chaos: Where Do We Go Wrong While Getting 'Dockerized'?

Think containers are inherently secure? Think again. From bloated base images to secret leaks in layers, let's explore how 'dockerized' applications actually fall apart and how to fix them.

May 16, 2026·4 dk readcontainer-securitydevsecopsdocker

Is the Ship Sinking? Lost Security Between Container Layers and Lessons from the Field

Let’s debunk the myth that containers are inherently secure. From root user illusions to supply chain risks, I’m diving into why your 'isolated' environments might be more vulnerable than you think.

May 1, 2026·4 dk readcontainer-securitydevsecopsdocker

The Illusion of Container Isolation: Owning the Host via docker.sock

Think your containers are securely isolated? Think again. From exposed Docker sockets to unnecessary privileges, let's talk about how misconfigurations turn your secure containers into host-level backdoors.

April 13, 2026·3 dk readcontainer-securitydevsecopsdocker

Is Container Isolation a Lie? That Thin Line Between Docker Socket and Host

If you think your containers are bulletproof shells, think again. From Docker socket abuse to risky capabilities, let's talk about how that 'sandbox' can vanish in seconds and how to actually secure it.

March 19, 2026·4 dk readcontainer-securitydevsecopsdocker

Small Box, Big Trouble: Let’s Stop Romanticizing Alpine Linux

Think a 5MB container image makes you unhackable? Think again. We're diving into the myths of Alpine Linux and why your container's 'diet' might be making life easier for Red Teams.

March 17, 2026·4 dk readcontainersecuritydevsecopsdocker

Armored Vehicle or Glass Jar? The Illusion of Container Isolation

Think your containers are bulletproof? Think again. Let’s dive into why shared kernels and privileged flags are a Red Teamer’s dream and how you can actually lock things down.

March 16, 2026·4 dk readcontainer-securitydevsecopsdocker

The "Root" Illusion in Container Land: How Not to Score an Own Goal

Just because it's in a container doesn't mean it's secure. Let's talk about the common mistakes that turn your isolated box into an open door.

February 5, 2026·4 dk readcloud-securitydevsecopsdocker