Redline-CTF · Available now
CompTIA PenTest+ (PT0-003)The offense track, live in your browser
An AWS-hosted, browser-accessible capture-the-flag range built as a capstone for CompTIA PenTest+ (PT0-003) prep. Every student gets a private Kali Linux desktop and a set of vulnerable targets. Everything they attack is ours and sits inside their own lab.
42 challenges, all 5 PT0-003 domains
Every challenge is mapped to a specific PenTest+ exam objective.
Engagement Management
4 challengesScope, rules of engagement, legal and compliance documents, and professional conduct, worked through as scenarios.
Reconnaissance & Enumeration
7 challengesOSINT, DNS and service enumeration against planted, in-lab targets.
Vulnerability Discovery & Analysis
5 challengesScanning, triage, and spotting exploitable misconfigurations and CVEs.
Attacks & Exploits
20 challengesWeb, network, Active Directory, container and cloud-misconfiguration exploitation.
Post-Exploitation & Lateral Movement
6 challengesPrivilege escalation, pivoting, and moving between compromised hosts.
One desktop, live targets, a lab of your own
- Private Kali Linux desktop per student, in the browser
- Linux and optional Windows/Active Directory targets
- Containerized and cloud-misconfiguration challenges
- AI-security targets
- A live scoreboard the whole class can see
- 42
- Challenges
- 5
- PT0-003 domains covered
- 34/34
- Health checks run before every event
- 1:1
- Student-to-lab ratio
Planning a CTF day or competition season?
The first 5 schools save 25% on any plan for their first 12 months. Offer ends June 30, 2027.