Browse Lessons

Curated from top practitioners. Filtered, not flooded.

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PicoCTF 2019 HYPE - LIVE NOW!

🔐 Cybersecurity

PicoCTF 2019 HYPE - LIVE NOW!

John Hammond Intermediate 6y ago

BCACTF "For the NIght is Dark" (with SInisterMatrix!)

🔐 Cybersecurity

BCACTF "For the NIght is Dark" (with SInisterMatrix!)

John Hammond Intermediate 6y ago

100% OSCP: Offensive Security Certified Professional

🔐 Cybersecurity

100% OSCP: Offensive Security Certified Professional

John Hammond Intermediate 6y ago

BCACTF - Bruteforcing "Basic Pass" (with SinisterMatrix!)

🔐 Cybersecurity

BCACTF - Bruteforcing "Basic Pass" (with SinisterMatrix!)

John Hammond Intermediate 6y ago

BCACTF - LISP "Thspeaking" (with SinisterMatrix!)

🔐 Cybersecurity

BCACTF - LISP "Thspeaking" (with SinisterMatrix!)

John Hammond Intermediate 6y ago

CSAW'19 - PWN - Ret2libc w/ PWNTOOLS (baby_boi)

🛡️ AI Safety & Ethics

CSAW'19 - PWN - Ret2libc w/ PWNTOOLS (baby_boi)

John Hammond Intermediate 6y ago

Windows PowerShell [01] Introduction

🛡️ AI Safety & Ethics

Windows PowerShell [01] Introduction

John Hammond Beginner 6y ago

HACKERS REACT: Bad Hollywood Hacking Scenes

🔐 Cybersecurity

HACKERS REACT: Bad Hollywood Hacking Scenes

John Hammond Intermediate 6y ago

MITRE CTF 2019 HIGHLIGHTS

🔐 Cybersecurity

MITRE CTF 2019 HIGHLIGHTS

John Hammond Intermediate 6y ago

TECHNICOLOR QR CODE (Prism) InnoCTF 2019

🔐 Cybersecurity

TECHNICOLOR QR CODE (Prism) InnoCTF 2019

John Hammond Intermediate 6y ago

BAD USER INTERFACE / UI EXPERIENCE

🖌️ UI/UX Design

BAD USER INTERFACE / UI EXPERIENCE

John Hammond Intermediate 6y ago

SANS GirlsGoCyberStart [03] Crypto Coffee

🛡️ AI Safety & Ethics

SANS GirlsGoCyberStart [03] Crypto Coffee

John Hammond Beginner 6y ago

SANS GirlsGoCyberStart [02] You Sneaky Dog

🛡️ AI Safety & Ethics

SANS GirlsGoCyberStart [02] You Sneaky Dog

John Hammond Beginner 6y ago

SANS GirlsGoCyberStart [01] I suck at CAPTCHA

🛡️ AI Safety & Ethics

SANS GirlsGoCyberStart [01] I suck at CAPTCHA

John Hammond Beginner 6y ago

GOOGLE CTF 2019 HYPE

📰 AI News & Updates

GOOGLE CTF 2019 HYPE

John Hammond Intermediate 6y ago

HSCTF - RSA Cryptography (Reverse Search Algorithm)

🔐 Cybersecurity

HSCTF - RSA Cryptography (Reverse Search Algorithm)

John Hammond Intermediate 6y ago

HSCTF - XORing Data (Hidden Flag)

🔐 Cybersecurity

HSCTF - XORing Data (Hidden Flag)

John Hammond Intermediate 6y ago

HSCTF - Hidden UTF-8 Encoding (Real Reversal)

🔐 Cybersecurity

HSCTF - Hidden UTF-8 Encoding (Real Reversal)

John Hammond Intermediate 6y ago

HSCTF - Python Remote Code Execution (A Simple Conversation)

🔐 Cybersecurity

HSCTF - Python Remote Code Execution (A Simple Conversation)

John Hammond Beginner 6y ago

HSCTF - Hunting Git Commits (Admin Pass)

🔐 Cybersecurity

HSCTF - Hunting Git Commits (Admin Pass)

John Hammond Intermediate 6y ago

HackTheBox - Help

🛡️ AI Safety & Ethics

HackTheBox - Help

John Hammond Intermediate 6y ago

HSCTF - Hiding in ZIP Files (LockedUp)

🔐 Cybersecurity

HSCTF - Hiding in ZIP Files (LockedUp)

John Hammond Intermediate 6y ago

HSCTF - Obfuscated JavaScript (JSF**k) [Verbose]

🔐 Cybersecurity

HSCTF - Obfuscated JavaScript (JSF**k) [Verbose]

John Hammond Intermediate 6y ago

Finding Shared Libraries with LDD (ParsonsCTF)

🔐 Cybersecurity

Finding Shared Libraries with LDD (ParsonsCTF)

John Hammond Intermediate 6y ago

Crypto: Classic RSA with a Twist (ParsonsCTF)

🔐 Cybersecurity

Crypto: Classic RSA with a Twist (ParsonsCTF)

John Hammond Intermediate 6y ago

Facebook CTF - SQL Injection with Spaces (Products Manager)

🔐 Cybersecurity

Facebook CTF - SQL Injection with Spaces (Products Manager)

John Hammond Intermediate 6y ago

Cracking HSRP Passwords w/ John The Ripper

🛡️ AI Safety & Ethics

Cracking HSRP Passwords w/ John The Ripper

John Hammond Intermediate 6y ago

Checking IP Address in CIDR Subnet w/ Python

🛡️ AI Safety & Ethics

Checking IP Address in CIDR Subnet w/ Python

John Hammond Intermediate 6y ago

Python PIL: Recreating LSB in Stegsolve.jar

🛡️ AI Safety & Ethics

Python PIL: Recreating LSB in Stegsolve.jar

John Hammond Intermediate 6y ago

SunshineCTF 2019: Wrestler Name Generator (XML XXE)

🔐 Cybersecurity

SunshineCTF 2019: Wrestler Name Generator (XML XXE)

John Hammond Intermediate 6y ago

SunshineCTF 2019: Wrestler Book (Explicit SQL Injection)

🔐 Cybersecurity

SunshineCTF 2019: Wrestler Book (Explicit SQL Injection)

John Hammond Intermediate 6y ago

SunshineCTF 2019 | Return to Mania (PWN) PIE

🔐 Cybersecurity

SunshineCTF 2019 | Return to Mania (PWN) PIE

John Hammond Intermediate 6y ago

SunshineCTF 2019 | CB1 (NATO Phonetic Alphabet)

🔐 Cybersecurity

SunshineCTF 2019 | CB1 (NATO Phonetic Alphabet)

John Hammond Intermediate 6y ago

SunshineCTF 2019 | Brainmeat (Esoteric Languages)

🔐 Cybersecurity

SunshineCTF 2019 | Brainmeat (Esoteric Languages)

John Hammond Intermediate 6y ago

SunshineCTF 2019: WelcomeCrypto [ROT47]

🔐 Cybersecurity

SunshineCTF 2019: WelcomeCrypto [ROT47]

John Hammond Intermediate 6y ago

b00t2root19 CTF: EasyPHP [PHP Web Exploits]

🔐 Cybersecurity

b00t2root19 CTF: EasyPHP [PHP Web Exploits]

John Hammond Beginner 6y ago

b00t2root19 CTF: Loopback [PCAP Forensics]

🔐 Cybersecurity

b00t2root19 CTF: Loopback [PCAP Forensics]

John Hammond Intermediate 6y ago

b00t2root19 CTF: Treasure [GameBoy ROMs]

🔐 Cybersecurity

b00t2root19 CTF: Treasure [GameBoy ROMs]

John Hammond Intermediate 6y ago

b00t2root19 CTF: Can You Read Me [Esoteric Languages]

🔐 Cybersecurity

b00t2root19 CTF: Can You Read Me [Esoteric Languages]

John Hammond Intermediate 6y ago

b00t2root19 CTF: Genetics [DNA Cryptography]

🔐 Cybersecurity

b00t2root19 CTF: Genetics [DNA Cryptography]

John Hammond Intermediate 7y ago

b00t2root19 CTF: Scatter Me [3D Scatter Plots]

🔐 Cybersecurity

b00t2root19 CTF: Scatter Me [3D Scatter Plots]

John Hammond Intermediate 7y ago

b00t2root CTF: cuz rsa is lub [RSA Cryptography]

🔐 Cybersecurity

b00t2root CTF: cuz rsa is lub [RSA Cryptography]

John Hammond Intermediate 7y ago

b00t2root19 CTF: Groot (3/3) [LINUX Post-Exploitation]

🔐 Cybersecurity

b00t2root19 CTF: Groot (3/3) [LINUX Post-Exploitation]

John Hammond Intermediate 7y ago

b00t2root19 CTF: Tony Stank (2/3) [LINUX Privilege Escalation]

🔐 Cybersecurity

b00t2root19 CTF: Tony Stank (2/3) [LINUX Privilege Escalation]

John Hammond Intermediate 7y ago

b00t2root19 CTF: Steve Rogers (1/3) [LINUX Enumeration]

🔐 Cybersecurity

b00t2root19 CTF: Steve Rogers (1/3) [LINUX Enumeration]

John Hammond Intermediate 7y ago

Counting Colors w/ Python PIL & PrettyTable

🔐 Cybersecurity

Counting Colors w/ Python PIL & PrettyTable

John Hammond Intermediate 7y ago

RED TEAM HACKING | CyberForce 2018

🔐 Cybersecurity

RED TEAM HACKING | CyberForce 2018

John Hammond Intermediate 7y ago

MITRE CTF 2019 - Web [150] Accessible Bazaar Repositories

🔐 Cybersecurity

MITRE CTF 2019 - Web [150] Accessible Bazaar Repositories

John Hammond Intermediate 7y ago