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Sedat Özdemir

Posts on redteaming

14 posts on redteaming. Notes from public sources and my own test lab.

The Silent Cry of PLCs: The Cost of Living on 'Default' in Industrial Systems

A deep dive into the world of OT security, legacy protocols like Modbus, and why the 'air-gap' myth is the biggest threat to industrial infrastructure.

July 2, 2026·4 dk readcybersecurityindustrial-securityot-security

Can Your Neighbor’s Smart Bulb Lead to Your Local Network? Pushing the Boundaries of IoT Security

Join Sedat Özdemir as he explores the 'dark alleys' of IoT security, from the dangers of Shadow IoT to unencrypted protocols like MQTT, and why your office coffee machine might be your biggest vulnerability.

June 29, 2026·4 dk readhardwareiotoffensive

A Fox in the K8s Henhouse: RBAC Vulnerabilities and the Art of Container Escape

It's 4:12 AM, and a simple customer-feedback pod is suddenly trying to list all secrets in the production cluster. Let's dive into how over-privileged service accounts and lazy RBAC configurations turn a minor entry point into a full-blown cluster takeover.

June 28, 2026·4 dk readdevsecopsk8skubernetes

Smart Homes, Stupid Mistakes: Leaving the Backdoor Open in the IoT World

Think a tiny smart plug is harmless? From 'admin:admin' nightmares to unencrypted MQTT traffic, let's explore why IoT is the 'Wild West' of cybersecurity and how we can secure these chatty devices.

June 16, 2026·4 dk readcybersecurityhackingiot

K8s: Conductor or Vulnerability Factory? Hidden Bombs in YAML Files

Let's talk about the 'dark side' of Kubernetes configurations. From over-privileged RBAC roles to container escapes, here is how those 'default' settings turn into a Red Teamer's playground.

June 14, 2026·4 dk readcloudsecuritycontainersecuritydevsecops

Smart Homes or Digital Minefields? The Invisible Backdoors of the IoT World

Standard vulnerability scanners aren't enough for the world of ARM processors and unpatched BusyBox versions. Let's talk about why you need to dig into the hardware and firmware to truly secure IoT devices.

May 18, 2026·4 dk readfirmwarehardware-hackingiot

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

The Dumb Security of Smart Homes: Why Are We Still Living in the 1990s in the IoT World?

Is Shodan really everything? In this piece, we dive into why the IoT ecosystem feels like the Wild West, exploring MQTT vulnerabilities and the 'geeky' reality of firmware analysis from a Red Teamer's perspective.

May 6, 2026·4 dk readfirmwarehardwarehackingiotsecurity

Making Sense of the Data Heap: Moving to Actionable Threat Intel

Why hoarding threat feeds is useless and how we can climb the Pyramid of Pain using behavioral detection and Sigma rules instead of just chasing IPs.

March 20, 2026·4 dk readcybersecurityosintredteaming

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

Before You Double-Click That File: Becoming a 'Plague' Hunter in the Lab

A deep dive into the fundamentals of malware analysis, featuring personal stories from the field and practical tips on static and dynamic analysis without compromising your host machine.

March 14, 2026·4 dk readblueteamingcybersecuritymalwareanalysis

It's Not Just About the Patch: The Invisible Side of Vulnerabilities and Our 'Margin of Error'

A deep dive into why relying solely on automated scanners is a trap, the reality of business logic flaws, and a walk down memory lane regarding a production incident.

March 13, 2026·4 dk readappsecbughuntingcybersecurity