Skip to content
Sedat Özdemir

Posts on red-teaming

43 posts on red-teaming. 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 Silent Cry of Parameters: Hunting Logic and Architecture in Modern Web Apps

When you multiply the 'amount' parameter in a checkout request by -1 and the server returns a 200 OK, your entire security architecture just became a paper tiger. Let's dive into why logic and architecture hunting is the real frontier of modern security.

July 3, 2026·4 dk readbusiness-logicidorred-teaming

Breaking the Factory Default: Why ‘Modern’ Security Solutions are Crashing OT Networks

Everyone is talking about IT/OT convergence, but shoving office-grade scanners into a factory network is a recipe for disaster. Here’s why your legacy PLCs hate your 'next-gen' security tools.

June 26, 2026·4 dk readicsindustrial-securityot-security

The Silent Packet Before the Valves Close: Red Teaming Industrial Systems and the Invisible Threats

In the OT world, a single unauthenticated Modbus packet can be more devastating than a Domain Admin takeover. Let's dive into why industrial systems are still living in the security dark ages and how we can protect them.

June 20, 2026·4 dk readcyber-securityicsmodbus

Görünmez Duvarları Aşmak: PDF Generator'dan Cloud Metadata'ya Uzanan O Tehlikeli Yol

Bir PDF oluşturma servisinin nasıl bir iç ağ casusuna dönüştüğünü ve bulut ortamındaki en değerli anahtarların nasıl tehlikeye girdiğini teknik bir kriz anıyla inceliyoruz.

June 18, 2026·3 dk readcloud-securitydefensered-teaming

When the Valves Start Turning Themselves: The 'Air-Gap' Fairytale and Harsh Realities in Industrial Systems

Think your industrial network is truly isolated? Let's talk about the 'Air-Gap' myth, why Modbus is dangerously polite, and the cold reality of OT security from a Red Teamer's perspective.

June 8, 2026·4 dk readics-securityindustrial-hackingot-security

Not Vanilla Ice Cream, but Industrial Disaster: The Air-Gap Lie and the Defenseless World of PLCs

Think your industrial systems are safe just because they aren't on the internet? Think again. Let’s talk about the reality of OT security and how a simple Python script can wreak havoc on an unprotected PLC.

June 4, 2026·4 dk readicsindustrial-securityot-security

The Black Widow in the Box: Is a 'Sandbox' Enough for Malware Analysis?

Is a clean VirusTotal report enough? Join me as we dissect malware through static and dynamic analysis, and see why today's threats are smarter than your average sandbox.

June 3, 2026·4 dk readdefensive-securitymalware-analysisred-teaming

The Orchestrator or an Insider Trojan? Invisible Dangers in the Kubernetes World

Security has shifted from physical firewalls to the orchestration layer. Let's dive into the dark corners of Kubernetes security—from API Server leaks to RBAC misconfigurations—and talk about how to keep the cluster safe.

May 31, 2026·3 dk readcloud-nativedevsecopsk8s-security

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

Handing Over Your K8s Cluster on a Silver Platter: Config Errors and Cold Hard Truths

Ever wondered how a single YAML line can turn your infrastructure into a public playground? Let's dive into common Kubernetes misconfigurations from a Red Team perspective and look at how to actually secure them.

May 26, 2026·4 dk readcontainer-securitydevsecopsk8s-security

Opening the Black Box: Anatomy of Malware and Those Critical Decisions in the Analysis Lab

It's 3:15 AM, a high-severity alert pops up, and you're staring at a file named invoice_9928.pdf.exe. Join me as I walk through a digital autopsy of a 'Fully Undetectable' threat in a controlled sandbox environment.

May 22, 2026·3 dk readcybersecurityincident-responsemalware-analysis