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Sedat Özdemir
Sedat Özdemir

I work on security engineering. Everything I learn ends up here.

I have spent close to a decade on the offensive side: offensive AI development, web, internal network, mobile and API penetration testing, red team work and DevSecOps. Everything here is based on public vulnerability reports and experiments in my own lab — these are personal notes. Enjoy the read.

Writing

161 posts · page 13 / 14

Back to Factory Settings: A Day Among Rusty Pipes and Exposed PLCs

Think air-gapped networks are real? Think again. Let's dive into the world of OT hacking, where Modbus is king and "reboot" is a terrifying word.

February 13, 2026·5 dk readics-securitymodbusot-security

Walking the Minefield: From Reverse Engineering to Runtime Manipulation

Mobile security is more than just decompiling APKs. Here is my journey from being a rookie to mastering the art of runtime manipulation with Frida.

February 11, 2026·5 dk readandroid-pentestfridamobile-security

SSH into the Human Terminal: Why the 'Trust' Protocol is Still Unpatched

Red teaming isn't just about zero-days. It's about debugging the 'Human OS' and bypassing danger perception through context and HTML Smuggling.

February 10, 2026·5 dk readcybersecurityhtml-smugglingpentesting

Hunting for Treasure in the IOC Trash: The ‘Real’ Face of Threat Intel

Stop chasing static IPs and hashes. If you want to actually hurt an attacker, you need to climb the Pyramid of Pain and start targeting our TTPs.

February 9, 2026·5 dk readcybersecuritypythonred-teaming

Görünmez Duvarları Yıkmak: IDOR’un Sessiz Çığlığı ve Mantık Hatalarının Anatomisi

Selam dostum, bugün seninle biraz dertleşelim, biraz da ellerimizi kirletelim. Kahveni (veya o meşhur enerji içeceğini) aldıysan konuya direkt dalıyorum. Bak,...

February 8, 2026·5 dk readencryptionresearch

Why Isn’t That Cursor Blinking? Terminal Ghosts and Red Team Realities

It’s 3 AM, your reverse shell finally lands, but the terminal is dead silent. Let's talk about WAF bypasses, DNS exfiltration, and "blind" hacking.

February 7, 2026·5 dk readcybersecurity-experienceexploitationlateral-movement

Beyond `mov eax, 1`: Diving Into the Binary Mind and Chasing Lost Logic

0x55 0x48 0x89 E5 — more than just bytes. It's the heartbeat of a function. Let's talk Reverse Engineering, the "meat grinder" effect, and finding logic.

February 6, 2026·6 dk readassemblybinary-exploitationmalware-analysis

Stealthy Infiltration or Breaking the Door Down? The Dance of Payloads and That Critical Second

It's 3 AM, the WAF is mocking me, and standard payloads are failing. Time to ditch the noise and get surgical with some OOB exfiltration.

February 5, 2026·5 dk readcompliancedevsecops

Leaving the Key in the Lock: Why We’re Still Failing at Identity Management

Million-dollar security is useless if you leave your AWS keys in a script. Let's talk about why IAM is still our weakest link and how to fix it.

February 5, 2026·4 dk readcloud-securityiamidentity-management

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

Lord of the Leaks: Data Hunting in the Epstein Archives and the Gritty Side of OSINT

Digging through thousands of leaked documents is a nightmare. Here’s how I use OCR and Python to find the signal in the noise.

February 4, 2026·4 dk readdata-analysisdigital-forensicsepstein-docs

Your Screen Isn’t Just Black, Your Heart Just Stopped: The Reality of Ransomware

A raw look at how ransomware actually works, why speed is everything, and what attackers are really doing inside your network before the big "lockdown."

February 4, 2026·5 dk readcybersecurityincident-responsemalware-analysis