Monday, June 1, 2026
🔎 Fresh slice: OSINT Challenges · CTF@CIT 26  ·  💥 Extra sauce: Lazy Pharaoh · CyCTF 2026 Quals  ·  🧭 Out the oven: OSINT Challenges · 0xFun CTF  ·  🛰️ Flag on the table: Delicious Meeting & Dune · 0xL4ugh CTF v5  ·  🔎 Fresh slice: How an Instagram Post Became a Bluep...
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Security posts, exploit writeups, and pizza-fueled notes.
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9 entries
01
OSINT · Writeup · Medium

CTF@CIT 26 | OSINT Challenges Write-up

Image tracing, social pivots, and the clue chain behind each OSINT solve.

OSINTGeolocationSocial MediaCTF
April 19, 2026 · CTF@CIT 26 · 8 min read
02
Web Exploitation · Writeup · Hard

Zip TOCTOU to RCE via Zip Slip - Lazy Pharaoh | CyCTF 2026 Quals

A race-condition-backed Zip Slip chain from upload validation to code execution.

Zip SlipTOCTOURCEJava
March 14, 2026 · CyCTF 2026 Quals · 5 min read
03
OSINT · Writeup · Medium

0xFun CTF | OSINT Challenges Writeup

Fast pivots across place names, map clues, and public traces in a stacked OSINT set.

OSINTGeolocationReconCTF
February 15, 2026 · 0xFun CTF · 8 min read
04
OSINT · Writeup · Medium

0xL4ugh CTF v5 - Delicious Meeting & Dune OSINT Challenges

Two OSINT solves built from breadcrumbs, false leads, and careful validation.

OSINTGeolocationReconCTF
January 28, 2026 · 0xL4ugh CTF v5 · 6 min read
05
OSINT · OPSEC · Methodology

How an Instagram Post Became a Blueprint for Murder: An OSINT Case Study

Pop Smoke | Real-World OSINT Case Study

OSINTOPSECSocial MediaGeolocationCase Study
October 16, 2025 · OSINT · OPSEC · 5 min read
06
OSINT · Methodology

Automating OSINT: From Hours of Manual Work to Minutes of Scripts

OSINT Automation | Part II

OSINTAutomationExifToolSherlockRecon
September 24, 2025 · OSINT · 4 min read
07
OSINT · Methodology

A Practical OSINT Methodology

Tools, Notes, and Workflow

OSINTMethodologyOPSECGeolocationReconnaissance
September 17, 2025 · OSINT · 6 min read
08
OSINT · Writeup · Medium

ASCWG CTF Qualification 2025 - Operation Spare Clue Challenge

An OSINT challenge solved through maps, QR pivots, and public-key breadcrumbs.

OSINTGeolocationPGPCTF
August 2, 2025 · ASCWG CTF Qualification 2025 · 4 min read
09
OSINT · Writeup · Medium

TryHackMe | Hackfinity Battle Encore CTF WriteUp

Selected solves from Hackfinity's encore release, led by the OSINT track.

OSINTTryHackMeGeolocationCTF
March 29, 2025 · Hackfinity Battle Encore · 4 min read