You think you are completely safe. Then, out of nowhere, you get a notification that someone in a foreign country logged into your primary…

Last weekend, I was sitting in a coffee shop, waiting for my order.

My personal experience on the course, labs, the exam and more…

Everyone says they do blameless postmortems. Far fewer actually do. The gap between the claim and the practice is where organizations…

I’ve always wondered how some people were able to reverse security vulnerabilities and create exploits shortly after their disclosure. So I…

Introduction

Introduction

Build an OAuth flow that authorizes a specific action, amount, recipient, and API — not an ambiguous category of access.

Cyber threats evolve every day, and protecting an organization takes more than a firewall and antivirus software. Modern security is built…

What a coordinated strike on aviation, energy, and education reveals about the new shape of critical-infrastructure warfare and why every…

CVE-2026–39987 is a critical pre-authentication Remote Code Execution (RCE) vulnerability affecting Marimo, an open-source reactive Python…

TL;DR Phoenix Contact disclosed three vulnerabilities in PLCnext firmware on August 12, 2026. One flaw, CVE-2025-41771, lets a low-privileged attacker execute unauthorized SQL queries. A second, c…

At a glance Malware family Gunra ransomware (RaaS, Conti-derived) Threat actor Gunra operators and affiliates, also branded Golden Community Targets Government and critical infrastructure across f…

Web application vulnerabilities rarely exist in isolation.

As businesses increasingly depend on web applications, mobile apps, APIs, cloud platforms, and SaaS products, application security has…

Almost every MCP write-up blurs two different things — including one of mine. Deferring a tool definition and executing model-written code…

Target file: voicemail_007_wav.wav Path: ~/OSINT/TraceLabs/challenge_45/ Date: 2026-08-14 Methodology: Spectrogram Analysis → Voice…

Writeup — ScadaBR CTF (TryHackMe, room: Brr)

What’s changed, what you actually need to study, the tools that matter and my honest recommendations and lessons from experience, including…

Task 1