Security Blue Team BTL1 Course & Certification Review
AppleTree's detailed review of Security Blue Team's BTL1 course and certification exam.
Under the Appl3Tree
BrunnerCTF 2025 — Write-up
Walkthrough of the BrunnerCTF 2025 challenges I solved as part of team APISec Avengers
OffSec TH-200 & OSTH Certification Review
AppleTree's detailed review of OffSec's Threat Hunting course (TH-200) and OSTH certification exam.
WHY2025 CTF Write-up
Full write-up of completed challenges in WHY2025 CTF.
Practical Web Application Security and Testing (PWST) Review
AppleTree's in-depth review of Michael Taggart’s Practical Web Application Security and Testing (PWST) course, including full curriculum highlights, lab experience, and methodology insights.
ShaktiCTF 2025 Write-up
Full write-up of completed challenges in ShaktiCTF 2025 by AppleTree, covering Misc, OSINT, Rev, and Web categories.
DownUnderCTF 2025 Write-up
Write-up and walkthroughs for DownUnderCTF 2025 - beginner and medium challenges across OSINT, Reversing, Misc, and Forensics.
L3akCTF 2025 Write-up
Write-up for L3akCTF 2025 by AppleTree, part of team APISec Avengers. Focused heavily on OSINT challenges with GeoGuessr-style tasks.
OffSec IR-200 & OSIR Certification Review
Appl3Tree's detailed review of OffSec's IR-200 course and OSIR certification exam.
TryHackMe – Industrial Intrusion CTF Full Write-up
Appl3Tree's full detailed write-up of the TryHackMe Industrial Intrusion CTF.