PHSL Labs

Practice. Break. Learn. Defend.

Hands-on cybersecurity challenges and vulnerable environments designed to take you from fundamentals to real-world security skills.

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Recommended

Recommended Challenges

Web Exploitation100 pts

SQL Injection 101

Easy1,248 solves
Cryptography250 pts

Weak RSA

Medium634 solves
Forensics500 pts

Memory Matters

Hard214 solves
Steganography300 pts

Hidden in Plain Sight

Medium482 solves

Challenge Library

6 Challenges
Web ExploitationEasy

SQL Injection 101

Identify how the web application assembles SQL queries and bypass the authentication boundary using a crafted payload.

sqlauthweb
100 pts1,248 solves
Open Challenge
CryptographyMedium

Weak RSA

Recover prime factors from a deliberately weak key material and decrypt the challenge payload.

rsamathcrypto
250 pts634 solves
Open Challenge
ForensicsHard

Memory Matters

Inspect a memory dump to recover an encoded user session and trace the malicious process chain.

Solved
forensicsmemoryincidents
500 pts214 solves
Open Challenge
SteganographyMedium

Hidden in Plain Sight

Analyze a seemingly innocent image for embedded payloads and recover the hidden data stream.

stegopnganalysis
300 pts482 solves
Open Challenge
Reverse EngineeringExpert

Binary Broker

Reverse engineer the binary interface and discover how the hidden flag is generated at runtime.

rebinarylogic
1000 pts91 solves
Open Challenge
NetworkingMedium

Packet Detective

Follow a suspicious packet sequence to reconstruct an exfiltration path between internal hosts and the internet.

pcapnetworkdns
150 pts973 solves
Open Challenge

Cyber Range

Practice your way from fundamentals to advanced exploitation.

Mission-ready challenge infrastructure